833 

FZUS51 KBOX 181405

CWFBOX



Coastal Waters Forecast for Massachusetts and Rhode Island

National Weather Service Boston/Norton MA

1004 AM EDT Mon May 18 2026



Coastal waters from the Merrimack River MA to Watch Hill RI out

to 60 NM



ANZ200-190300-

1004 AM EDT Mon May 18 2026



.Synopsis for Massachusetts and Rhode Island coastal waters...

A weak cold front will move into the southern waters this morning 

before lifting back N as a warm front later today and this evening. 

Gusty SW winds will develop Tue. A strong cold front will cross the 

waters late Wed and Wed evening. Strong high pres builds over the Gt 

Lakes Thu and moves into the waters Fri. The high moves offshore by 

Sat as a frontal boundary approaches from the S.



$$



ANZ250-190300-

Coastal waters east of Ipswich Bay and the Stellwagen Bank

National Marine Sanctuary-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...E winds 5 to 10 kt, becoming SE 10 to 15 kt

with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at

3 seconds and SE 2 ft at 8 seconds. 

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to

3 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 3 seconds.

Patchy fog after midnight with vsby 1 to 3 NM. 

.TUE...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S

15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to

4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 7 seconds.

.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas

3 to 5 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at

7 seconds. 

.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to

4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 8 seconds.

Showers likely in the afternoon. 

.WED NIGHT...W winds around 15 kt, becoming NW after midnight.

Gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: N 3 ft at

4 seconds and SE 2 ft at 8 seconds. Showers likely in the

evening. 

.THU THROUGH FRI...E winds 10 to 15 kt with gusts up to 20 kt.

Seas 2 to 3 ft. 

.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ251-190300-

Massachusetts Bay and Ipswich Bay-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...E winds 5 to 10 kt, becoming SE 10 to 15 kt

with gusts up to 20 kt. Seas around 2 ft. Wave Detail: E 2 ft at

3 seconds and W 1 foot at 2 seconds. 

.TONIGHT...S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE

2 ft at 4 seconds and SE 2 ft at 8 seconds. Patchy fog after

midnight. 

.TUE...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.

Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at

8 seconds. 

.TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail:

SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. 

.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to

3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at

8 seconds. Showers likely in the afternoon. 

.WED NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the

evening. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and

SE 1 foot at 8 seconds. Showers likely in the evening. 

.THU THROUGH FRI...E winds 10 to 15 kt with gusts up to 20 kt.

Seas around 2 ft. 

.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ231-190300-

Cape Cod Bay-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...SE winds around 10 kt. Seas 1 foot or less,

then around 2 ft. Wave Detail: E 1 foot at 2 seconds and W 1 foot

at 3 seconds, becoming SE 1 foot at 2 seconds and SW 1 foot at

3 seconds. 

.TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight.

Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and E 1 foot

at 3 seconds. Patchy fog after midnight. 

.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the

afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW

2 ft at 3 seconds and NE 1 foot at 4 seconds. 

.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas

2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at

9 seconds. 

.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to

4 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at

3 seconds. Showers likely in the afternoon. 

.WED NIGHT...W winds 10 to 15 kt, becoming NW after midnight.

Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at

3 seconds and N 1 foot at 3 seconds. A chance of showers in the

evening. 

.THU THROUGH FRI...E winds 10 to 15 kt with gusts up to 20 kt.

Seas around 2 ft. 

.FRI NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ254-190300-

Coastal waters from Provincetown MA to Chatham MA to Nantucket MA

out 20 NM-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...SE winds around 10 kt. Seas 2 to 3 ft. Wave

Detail: S 3 ft at 8 seconds and SW 2 ft at 5 seconds. Patchy fog

with vsby 1 to 3 NM. 

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after

midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and

SE 3 ft at 7 seconds. Patchy fog. Vsby 1 NM or less. 

.TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to

5 ft. Wave Detail: SW 5 ft at 6 seconds and SE 2 ft at 9 seconds.

Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the

afternoon. 

.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas

4 to 6 ft. Wave Detail: S 5 ft at 7 seconds and E 1 foot at

14 seconds. 

.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to

6 ft. Wave Detail: S 5 ft at 7 seconds. A chance of showers in

the afternoon. 

.WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after

midnight. Gusts up to 25 kt. Seas 4 to 6 ft, subsiding to 3 to

4 ft after midnight. Wave Detail: SW 5 ft at 6 seconds and SE

3 ft at 9 seconds, becoming NW 4 ft at 4 seconds and S 2 ft at

8 seconds. A chance of showers. 

.THU THROUGH FRI...E winds 10 to 15 kt with gusts up to 20 kt.

Seas 2 to 4 ft. 

.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ255-190300-

Coastal Waters extending out to 25 NM South of Marthas Vineyard

and Nantucket-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...SE winds around 10 kt. Seas around 3 ft. Wave

Detail: SW 3 ft at 7 seconds and NE 1 foot at 2 seconds. Patchy

fog with vsby 1 NM or less. 

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after

midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and NE

1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less. 

.TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to

6 ft. Wave Detail: SW 6 ft at 6 seconds and SE 2 ft at 9 seconds.

Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the

afternoon. 

.TUE NIGHT...SW winds around 20 kt with gusts up to 25 kt. Seas

5 to 7 ft. Wave Detail: SW 7 ft at 7 seconds and E 4 ft at

10 seconds. Patchy fog in the evening with vsby 1 NM or less. 

.WED...SW winds around 20 kt with gusts up to 25 kt. Seas 5 to

7 ft. Wave Detail: SW 7 ft at 7 seconds and SE 1 foot at

3 seconds. 

.WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt,

becoming NW 10 to 15 kt after midnight. Seas 5 to 7 ft, subsidingto 3 to 5 ft after midnight. Wave Detail: SW 6 ft at 7 seconds

and E 1 foot at 10 seconds, becoming SW 5 ft at 7 seconds and N

2 ft at 2 seconds. A chance of showers. 

.THU AND THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,

becoming E 5 to 10 kt. Seas 2 to 4 ft. 

.FRI...E winds 5 to 10 kt. Seas around 2 ft. 

.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ256-190300-

Coastal Waters from Montauk NY to Marthas Vineyard extending out

to 20 NM South of Block Island-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...E winds around 10 kt, becoming SE. Seas around

3 ft. Wave Detail: SW 3 ft at 7 seconds and S 3 ft at 8 seconds.

Patchy fog with vsby 1 NM or less. 

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after

midnight. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 7 seconds and S

3 ft at 8 seconds. Patchy fog. Vsby 1 NM or less. 

.TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to

6 ft. Wave Detail: SW 5 ft at 6 seconds and SE 2 ft at 9 seconds.

Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the

afternoon. 

.TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas

5 to 7 ft. Wave Detail: S 7 ft at 7 seconds. Patchy fog in the

evening with vsby 1 to 3 NM. 

.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to

7 ft. Wave Detail: SW 6 ft at 7 seconds and S 5 ft at 9 seconds.

A chance of showers in the afternoon. 

.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming

NW 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: SW

6 ft at 7 seconds and SE 2 ft at 9 seconds. A chance of showers. 

.THU AND THU NIGHT...NE winds 10 to 15 kt, becoming E 5 to 10 kt.

Seas 2 to 4 ft. 

.FRI...E winds 5 to 10 kt. Seas around 2 ft. 

.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ232-190300-

Nantucket Sound-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...SE winds around 10 kt. Seas around 2 ft. Wave

Detail: E 1 foot at 3 seconds and SW 1 foot at 5 seconds. 

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after

midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and

E 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less. 

.TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to

4 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at

4 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM

in the afternoon. 

.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas

3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at

9 seconds. Patchy fog in the evening with vsby 1 NM or less. 

.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to

4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at

3 seconds. A chance of showers in the afternoon. 

.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming

NW 10 to 15 kt after midnight. Seas 2 to 4 ft. Wave Detail: W

3 ft at 4 seconds and N 2 ft at 2 seconds. A chance of showers. 

.THU THROUGH FRI...E winds 10 to 15 kt with gusts up to 20 kt.

Seas 2 to 3 ft. 

.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ233-190300-

Vineyard Sound-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...SE winds around 10 kt. Seas around 2 ft. Wave

Detail: SW 2 ft at 7 seconds and SE 2 ft at 8 seconds. 

.TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW

3 ft at 6 seconds and SE 3 ft at 9 seconds. Patchy fog. Vsby 1 to

3 NM, decreasing to 1 NM or less after midnight. 

.TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to

4 ft. Wave Detail: SW 4 ft at 6 seconds and SE 2 ft at 9 seconds.

Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the

afternoon. 

.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas

3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and E 2 ft at

6 seconds. 

.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to

5 ft. Wave Detail: SW 5 ft at 7 seconds and E 2 ft at 5 seconds.

A chance of showers in the afternoon. 

.WED NIGHT...W winds 15 to 20 kt, becoming NW around 10 kt after

midnight. Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight.

Wave Detail: SW 5 ft at 7 seconds and E 1 foot at 9 seconds,

becoming SW 3 ft at 7 seconds and N 2 ft at 2 seconds. A chance

of showers. 

.THU THROUGH FRI...E winds 10 to 15 kt. Seas 2 to 3 ft. 

.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ234-190300-

Buzzards Bay-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...E winds around 10 kt, becoming SE. Seas around

2 ft. Wave Detail: S 2 ft at 8 seconds and E 1 foot at 2 seconds.

.TONIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S

2 ft at 4 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 to

3 NM, decreasing to 1 NM or less after midnight. 

.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the

afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW

3 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog in the

morning with vsby 1 to 3 NM. 

.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas

3 to 4 ft. Wave Detail: S 3 ft at 6 seconds and SE 1 foot at

18 seconds. 

.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to

4 ft. Wave Detail: S 4 ft at 6 seconds. A chance of showers in

the afternoon. 

.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming

NW after midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at

6 seconds and N 2 ft at 2 seconds. A chance of showers in the

evening. 

.THU THROUGH FRI...E winds 5 to 10 kt. Seas around 2 ft. 

.FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance

of showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ235-190300-

Rhode Island Sound-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...E winds around 10 kt, becoming SE. Seas 2 to

3 ft. Wave Detail: S 3 ft at 7 seconds and E 1 foot at 2 seconds.

Patchy fog. 

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after

midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and E

1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less. 

.TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to

5 ft. Wave Detail: SW 5 ft at 6 seconds and SE 2 ft at 9 seconds.

Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the

afternoon. 

.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas

4 to 6 ft. Wave Detail: S 6 ft at 7 seconds. Patchy fog in the

evening with vsby 1 to 3 NM. 

.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to

6 ft. Wave Detail: S 6 ft at 7 seconds. A chance of showers in

the afternoon. 

.WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after

midnight. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and NE

1 foot at 2 seconds. A chance of showers in the evening. 

.THU AND THU NIGHT...NE winds 10 to 15 kt, becoming E 5 to 10 kt.

Seas 2 to 4 ft. 

.FRI...E winds 5 to 10 kt. Seas around 2 ft. 

.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ237-190300-

Block Island Sound-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...E winds around 10 kt, becoming SE. Seas 2 to

3 ft. Wave Detail: S 3 ft at 7 seconds and E 1 foot at 2 seconds.

Patchy fog. 

.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S

2 ft at 7 seconds and E 1 foot at 3 seconds. Patchy fog. Vsby

1 to 3 NM, decreasing to 1 NM or less after midnight. 

.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the

afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW

4 ft at 4 seconds and SE 2 ft at 9 seconds. Patchy fog in the

morning with vsby 1 to 3 NM. 

.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas

3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 4 ft at

8 seconds. 

.WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the

afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW

4 ft at 7 seconds and SE 1 foot at 14 seconds. A chance of

showers in the afternoon. 

.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming

NW after midnight. Seas 3 to 5 ft. Wave Detail: SW 3 ft at

6 seconds and NE 1 foot at 2 seconds. A chance of showers in the

evening. 

.THU THROUGH FRI...E winds 5 to 10 kt. Seas 2 to 3 ft. 

.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ230-190300-

Boston Harbor-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...E winds 10 to 15 kt. Gusts up to 20 kt. Waves

1 foot or less, then around 2 ft. 

.TONIGHT...S winds around 10 kt. Waves around 2 ft. 

.TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.

Waves around 2 ft. 

.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves

around 2 ft. 

.WED...W winds 10 to 15 kt with gusts up to 20 kt. Waves around

2 ft. Showers in the afternoon. 

.WED NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the

evening. Waves around 2 ft. Showers likely in the evening. 

.THU THROUGH FRI...E winds 10 to 15 kt. Waves around 2 ft. 

.FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance

of showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ236-190300-

Narragansett Bay-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...SE winds around 10 kt. Waves around 2 ft. 

.TONIGHT...S winds around 10 kt. Waves around 2 ft. Patchy fog.

Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. 

.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to

3 ft. Patchy fog in the morning with vsby 1 to 3 NM. 

.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves

2 to 3 ft. 

.WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the

afternoon. Gusts up to 25 kt. Waves 2 to 4 ft. Showers likely in

the afternoon. 

.WED NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the

evening. Waves 2 to 3 ft. A chance of showers in the evening. 

.THU THROUGH FRI...E winds 10 to 15 kt. Waves around 2 ft. 

.FRI NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ280-190300-

Ocean Waters from the Merrimack River to Plymouth from 40 to

60 NM-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...SE winds around 10 kt. Seas around 3 ft. Wave

Detail: S 3 ft at 8 seconds and NE 1 foot at 3 seconds. 

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to

4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 7 seconds.

Patchy fog. Vsby 1 NM or less after midnight. 

.TUE...SW winds around 15 kt with gusts up to 20 kt, increasing

to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 3 to

4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: SW

3 ft at 5 seconds and SE 2 ft at 9 seconds, becoming S 5 ft at

5 seconds and SE 3 ft at 9 seconds. Patchy fog in the morning

with vsby 1 to 3 NM. 

.TUE NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt

after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail:

SW 6 ft at 6 seconds and S 6 ft at 9 seconds. 

.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to

6 ft. Wave Detail: S 4 ft at 5 seconds. A chance of showers in

the afternoon. 

.WED NIGHT...W winds 15 to 20 kt, becoming NW after midnight.

Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 4 ft at

7 seconds and W 3 ft at 4 seconds. A chance of showers in the

evening. 

.THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt,

diminishing to 5 to 10 kt. Seas 2 to 4 ft. 

.FRI AND FRI NIGHT...NW winds 5 to 10 kt, becoming S. Seas 2 to

3 ft.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ281-190300-

Ocean Waters from Provincetown to Nantucket from 20 to 60 NM-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...SE winds around 10 kt. Seas 3 to 4 ft. Wave

Detail: SW 4 ft at 7 seconds and NE 1 foot at 3 seconds. Patchy

fog with vsby 1 NM or less. 

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to

4 ft. Wave Detail: S 3 ft at 7 seconds and NE 1 foot at

4 seconds. Patchy fog. Vsby 1 NM or less. 

.TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to

6 ft. Wave Detail: SW 6 ft at 6 seconds and SE 2 ft at 9 seconds.

Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the

afternoon. 

.TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas

around 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 4 ft at

9 seconds. Patchy fog in the evening with vsby 1 to 3 NM. 

.WED...SW winds around 20 kt with gusts up to 30 kt. Seas 6 to

7 ft. Wave Detail: SW 6 ft at 7 seconds and SE 1 foot at

9 seconds. A chance of showers in the afternoon. 

.WED NIGHT...SW winds 15 to 20 kt, becoming NW after midnight.

Gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: SW 6 ft at

7 seconds and SE 2 ft at 9 seconds. A chance of showers. 

.THU THROUGH FRI...E winds 10 to 15 kt with gusts up to 20 kt.

Seas 2 to 4 ft. 

.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ282-190300-

Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave

Detail: SW 3 ft at 7 seconds and NE 2 ft at 3 seconds. Patchy

fog. Vsby 1 NM or less. 

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after

midnight. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and

SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less. 

.TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to

6 ft. Wave Detail: SW 5 ft at 6 seconds and SE 2 ft at 9 seconds.

Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the

afternoon. 

.TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas

5 to 7 ft. Wave Detail: SW 7 ft at 7 seconds and SE 2 ft at

9 seconds. Patchy fog in the evening with vsby 1 to 3 NM. 

.WED...SW winds around 20 kt with gusts up to 25 kt. Seas 6 to

7 ft. Wave Detail: SW 6 ft at 7 seconds and SE 2 ft at 9 seconds.

.WED NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after

midnight. Gusts up to 25 kt. Seas 6 to 7 ft, subsiding to 4 to

6 ft after midnight. Wave Detail: SW 6 ft at 7 seconds and SE

2 ft at 9 seconds, becoming SW 5 ft at 7 seconds and N 2 ft at

2 seconds. A chance of showers in the evening, then showers

likely after midnight. 

.THU...NE winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely. 

.THU NIGHT AND FRI...NE winds around 5 kt, becoming E. Seas 2 to

4 ft. 

.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



ANZ283-190300-

Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM-

1004 AM EDT Mon May 18 2026



.THIS AFTERNOON...S winds 5 to 10 kt. Seas around 3 ft. Wave

Detail: SW 3 ft at 7 seconds and NE 2 ft at 2 seconds. Patchy

fog. Vsby 1 to 3 NM, decreasing to 1 NM or less. 

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to

4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 9 seconds.

Patchy fog. Vsby 1 NM or less. 

.TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to

6 ft. Wave Detail: SW 5 ft at 6 seconds and SE 2 ft at 9 seconds.

Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the

afternoon. 

.TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas

5 to 7 ft. Wave Detail: SW 7 ft at 6 seconds and SE 4 ft at

9 seconds. Patchy fog in the evening with vsby 1 to 3 NM. 

.WED...SW winds around 20 kt with gusts up to 25 kt. Seas 6 to

7 ft. Wave Detail: SW 6 ft at 6 seconds and SE 2 ft at 9 seconds.

.WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt,

becoming NW 10 to 15 kt after midnight. Seas 5 to 7 ft, subsiding

to 4 to 5 ft after midnight. Wave Detail: SW 6 ft at 7 seconds

and SE 2 ft at 9 seconds, becoming SW 5 ft at 7 seconds and SE

2 ft at 9 seconds. A chance of showers. 

.THU...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.

.THU NIGHT AND FRI...E winds 5 to 10 kt. Seas 2 to 3 ft. 

.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. A chance of

showers.  



Seas are reported as significant wave height, which is the

average of the highest third of the waves. Individual wave

heights may be more than twice the significant wave height.



$$



For the latest updates...please visit our webpage at

www.weather.gov/boston



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www.facebook.com/us.nationalweatherservice.boston.gov



You can follow us on Twitter at

@NWSBoston








754 

FZUS56 KLOX 181418

CWFLOX



Coastal Waters Forecast for California

National Weather Service Los Angeles/Oxnard CA

718 AM PDT Mon May 18 2026



Point Piedras Blancas to San Mateo Point CA out 60 NM including the

Channel Islands National Marine Sanctuary



...See weather.gov/marine/wavedetail for more info on the new Wave

Detail format...



PZZ600-190330-

718 AM PDT Mon May 18 2026



.Synopsis for the southern California coast and Santa Barbara

Channel including the Channel Islands National Marine Sanctuary

and National Park...at 12Z or 5 AM PDT, a 1032 mb high was centered

about 900 NM W of San Francisco, CA, and a 996 mb low was located 

in western Colorado.



$$



PZZ645-190330-

Point Piedras Blancas to Point Sal westward out to 10 NM-

718 AM PDT Mon May 18 2026



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PDT THIS MORNING...



.TODAY...SE wind 5 to 10 kt, becoming W to NW 10 to 15 kt this 

afternoon. Seas 7 to 10 ft, subsiding to 6 to 8 ft. Wave Detail: NW 

9 ft at 11 seconds. 

.TONIGHT...NW wind 10 to 15 kt, becoming 5 to 10 kt after midnight.

Seas 5 to 7 ft. Wave Detail: N 2 ft at 6 seconds and NW 7 ft at

11 seconds. 

.TUE...NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at

11 seconds and S 2 ft at 15 seconds. 

.TUE NIGHT...NW wind 5 to 10 kt in the evening, becoming light.

Seas 5 to 7 ft. Wave Detail: NW 6 ft at 14 seconds and S 2 ft at

15 seconds. 

.WED...Light winds, becoming NW 10 to 15 kt in the afternoon. Seas

4 to 6 ft. Wave Detail: NW 6 ft at 13 seconds and S 2 ft at

15 seconds. 

.WED NIGHT...NW wind 10 to 15 kt, becoming 5 to 10 kt after

midnight. Seas 4 to 6 ft. Wave Detail: N 2 ft at 3 seconds, NW 5 ft

at 12 seconds and S 2 ft at 15 seconds. 

.THU...Light winds, becoming NW 5 to 10 kt in the afternoon. Seas

4 to 6 ft. Wave Detail: NW 5 ft at 11 seconds and S 2 ft at 

14 seconds. 

.THU NIGHT...NW wind 5 to 10 kt in the evening, becoming light.

Seas 4 to 6 ft. Wave Detail: NW 5 ft at 11 seconds and S 2 ft at

14 seconds. 

.FRI...Light winds, becoming NW 5 to 10 kt in the afternoon.

Seas 3 to 5 ft. Wave Detail: NW 4 ft at 11 seconds and S 2 ft at

14 seconds. 

.FRI NIGHT...NW wind 5 to 10 kt in the evening, becoming light. 

Seas 3 to 5 ft. Wave Detail: NW 4 ft at 10 seconds and S 2 ft at

14 seconds. 



$$



PZZ670-190330-

Point Piedras Blancas to Point Sal from 10 to 60 NM-

718 AM PDT Mon May 18 2026



...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...



.TODAY...NW wind 10 to 20 kt with gusts to 25 kt. Seas 11 to 13 ft,

subsiding to 9 to 11 ft. Wave Detail: NW 11 ft at 11 seconds and S 

2 ft at 17 seconds. 

.TONIGHT...NW wind 10 to 20 kt with gusts to 25 kt, becoming 10 to 

15 kt after midnight. Seas 8 to 10 ft. Wave Detail: NW 9 ft at 10 

seconds and S 2 ft at 15 seconds. 

.TUE...NW wind 10 to 15 kt with gusts to 20 kt. Seas 8 to 10 ft. 

Wave Detail: NW 2 ft at 6 seconds, NW 9 ft at 11 seconds and S 2 ft

at 15 seconds. 

.TUE NIGHT...NW wind 10 to 15 kt with gusts to 20 kt. Seas 7 to 9 ft.

Wave Detail: NW 2 ft at 6 seconds, NW 9 ft at 14 seconds and S 2 ft

at 15 seconds. 

.WED...NW wind 10 to 15 kt with gusts to 20 kt. Seas 7 to 8 ft. 

Wave Detail: NW 2 ft at 6 seconds, NW 7 ft at 13 seconds and S 2 ft

at 15 seconds. 

.WED NIGHT...NW wind 10 to 15 kt with gusts to 20 kt. Seas 6 to 8 ft.

Wave Detail: NW 2 ft at 3 seconds, NW 7 ft at 12 seconds and S 2 ft

at 15 seconds. 

.THU...NW wind 10 to 15 kt with gusts to 20 kt. Seas 7 to 8 ft. 

Wave Detail: NW 8 ft at 10 seconds and S 2 ft at 14 seconds. 

.THU NIGHT...NW wind 5 to 10 kt. Seas 6 to 8 ft. Wave Detail: NW

7 ft at 11 seconds and S 2 ft at 14 seconds. 

.FRI...NW wind 5 to 10 kt in the morning, becoming light. Seas 5 to

7 ft. Wave Detail: NW 6 ft at 10 seconds and S 2 ft at 14 seconds. 

.FRI NIGHT...Light winds. Seas 5 to 7 ft. Wave Detail: NW 7 ft at

10 seconds and S 2 ft at 14seconds. 



$$



PZZ673-190330-

Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm

including San Miguel and Santa Rosa Islands-

718 AM PDT Mon May 18 2026



...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...



.TODAY...N to NW wind 10 to 20 kt, becoming NW this afternoon. 

Seas 9 to 13 ft, subsiding to 8 to 11 ft. Wave Detail: 

NW 12 ft at 11 seconds, N 2 ft at 11 seconds and S 2 ft at 16 

seconds. 

.TONIGHT...NW wind 10 to 20 kt. Local gusts to 25 kt in the evening.

Seas 7 to 10 ft. Wave Detail: NW 8 ft at 10 seconds and S 2 ft at 

15 seconds.

.TUE...NW wind 10 to 15 kt with gusts to 20 kt. Seas 6 to 9 ft. 

Wave Detail: NW 2 ft at 6 seconds, NW 8 ft at 11 seconds and S 2 ft 

at 15 seconds. 

.TUE NIGHT...NW wind 10 to 15 kt. Seas 6 to 9 ft. Wave Detail: NW

2 ft at 5 seconds, NW 8 ft at 13 seconds and S 2 ft at 15 seconds. 

.WED...NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW 2 ft at

5 seconds, NW 7 ft at 13 seconds and S 2 ft at 14 seconds. 

.WED NIGHT...NW wind 10 to 15 kt with gusts to 20 kt. Seas 6 to 7 ft.

Wave Detail: NW 6 ft at 12 seconds and S 2 ft at 14 seconds. 

.THU...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 2 ft at

9 seconds, NW 7 ft at 12 seconds and S 2 ft at 14 seconds. 

.THU NIGHT...NW wind 10 to 15 kt with gusts to 20 kt. Seas 5 to 7 ft.

Wave Detail: NW 2 ft at 6 seconds, NW 7 ft at 11 seconds and S 2 ft

at 14 seconds. 

.FRI...NW wind 5 to 10 kt in the morning, becoming light. Seas 5 to

7 ft. Wave Detail: NW 6 ft at 11 seconds and S 2 ft at 14 seconds. 

.FRI NIGHT...NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW

6 ft at 10 seconds and S 2 ft at 14 seconds. 



$$



PZZ676-190330-

Outer waters from Santa Cruz Island to San Clemente Island to 60 NM

offshore including San Nicolas and Santa Barbara Islands-

718 AM PDT Mon May 18 2026



...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...



.TODAY...NE to E wind 10 to 15 kt, becoming NW this afternoon. Seas

7 to 10 ft, subsiding to 6 to 8 ft. Wave Detail: NE 2 ft at 8 

seconds, NW 9 ft at 12 seconds and S 2 ft at 14 seconds. 

.TONIGHT...NW wind 10 to 20 kt, becoming N 10 to 15 kt after 

midnight. Seas 5 to 7 ft. Wave Detail: NW 4 ft at 6 seconds, NW 6 ft

at 11 seconds and S 2 ft at 15 seconds. 

.TUE...E to SE wind 10 to 15 kt, becoming NW 5 to 10 kt in the 

afternoon. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 11 seconds and

S 2 ft at 15 seconds. 

.TUE NIGHT...NW wind 5 to 10 kt, becoming W 10 to 15 kt after

midnight. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 12 seconds and S

2 ft at 14 seconds. 

.WED...W wind 5 to 10 kt, becoming 10 to 15 kt in the afternoon.

Seas 4 to 6 ft. Wave Detail: NW 2 ft at 5 seconds, NW 5 ft at

13 seconds and S 2 ft at 14 seconds. 

.WED NIGHT...NW wind 10 to 15 kt with gusts to 20 kt. Seas 4 to 6 ft.

Wave Detail: NW 2 ft at 5 seconds, NW 5 ft at 12 seconds and S 2 ft

at 14 seconds. 

.THU...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 2 ft at

5 seconds, NW 5 ft at 12 seconds and S 2 ft at 14 seconds. 

.THU NIGHT...W wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW

2 ft at 6 seconds, NW 5 ft at 11 seconds and S 2 ft at 14 seconds. 

.FRI...W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 4 ft at

11 seconds and S 2 ft at 14 seconds. 

.FRI NIGHT...W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW

4 ft at 10 seconds and S 2 ft at 14 seconds. 



$$



PZZ650-190330-

East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA

including Santa Cruz Island-

718 AM PDT Mon May 18 2026



.TODAY...NE wind 5 to 10 kt, becoming W 10 to 15 kt in the

afternoon.Seas 4 to 6 ft. Wave Detail: W 5 ft at 11 seconds. 

.TONIGHT...NW to W wind 10 to 15 kt, becoming E 5 to 10 kt after 

midnight. Local gusts to 20 kt across western portion in the

evening. Seas 3 to 4 ft. Wave Detail: W 3 ft at 11 seconds.

.TUE...Light winds, becoming W 5 to 10 kt in the afternoon. Seas

2 to 3 ft. Wave Detail: W 3 ft at 10 seconds. 

.TUE NIGHT...W wind 5 to 10 kt in the evening, becoming light. 

Seas 2 to 3 ft. Wave Detail: W 3 ft at 11 seconds.

.WED...Light winds, becoming W 10 to 15 kt in the afternoon. Seas

2 to 3 ft. Wave Detail: W 3 ft at 12 seconds. 

.WED NIGHT...W wind 10 to 15 kt in the evening, becoming SE 

5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 

11 seconds.

.THU...SE wind 5 to 10 kt, becoming W 10 to 15 kt in the afternoon.

Seas 2 to 3 ft. Wave Detail: W 2 ft at 10 seconds. 

.THU NIGHT...W wind 10 to 15 kt with gusts to 20 kt in the evening,

becoming SE 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail:

W 2 ft at 6 seconds, W 2 ft at 9 seconds and S 2 ft at 13 seconds. 

.FRI...SE wind 5 to 10 kt, becoming W in the afternoon. Seas 2 to

3 ft. Wave Detail: W 2 ft at 9 seconds.

.FRI NIGHT...W wind 5 to 10 kt in the evening, becoming light. 

Seas 2 to 3 ft. Wave Detail: W 2 ft at 9 seconds. 



$$



PZZ655-190330-

Inner waters from Point Mugu to San Mateo Pt. CA including Santa

Catalina and Anacapa Islands-

718 AM PDT Mon May 18 2026



.TODAY...E wind 10 to 15 kt, becoming W this afternoon. Seas 4 to 6

ft, subsiding to 3 to 4 ft. Wave Detail: W 5 ft at 11 seconds. 

.TONIGHT...W wind 10 to 15 kt, becoming SE 5 to 10 kt after

midnight. Seas 2 to 4 ft. Wave Detail: W 2 ft at 6 seconds, W 3 ft

at 10 seconds and S 2 ft at 15 seconds. 

.TUE...SE wind 5 to 10 kt, becoming W 10 to 15 kt in the afternoon.

Seas 2 to 3 ft. Wave Detail: W 2 ft at 9 seconds and S 2 ft at 

15 seconds. Patchy fog in the morning. 

.TUE NIGHT...W wind 10 to 15 kt in the evening, becoming light.

Seas 2 to 3 ft. Wave Detail: W 2 ft at 9 seconds and S 2 ft at

14 seconds. Patchy fog after midnight. 

.WED...Light winds, becoming W 5 to 10 kt in the afternoon. Seas

2 to 3 ft. Wave Detail: W 2 ft at 10 seconds and S 2 ft at 

13 seconds. Patchy fog in the morning. 

.WED NIGHT...W wind 5 to 10 kt, becoming SE after midnight. Seas

2 to 3 ft. Wave Detail: W 2 ft at 5 seconds, W 2 ft at 10 seconds

and S 2 ft at 14 seconds. 

.THU...SE wind 5 to 10 kt, becoming W in the afternoon. Seas 2 to

3 ft. Wave Detail: W 2 ft at 9 seconds and S 2 ft at 13 seconds. 

.THU NIGHT...W wind 5 to 10 kt in the evening, becoming light. Seas

2 to 3 ft. Wave Detail: W 2 ft at 8 seconds and S 2 ft at

13 seconds. 

.FRI...Light winds, becoming W 10 to 15 kt in the afternoon. Seas

2 to 3 ft. Wave Detail: W 2 ft at 6 seconds and S 2 ft at 

14 seconds.

.FRI NIGHT...W wind 10 to 15 kt in the evening, becoming light.

Seas 2 to 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at

13 seconds. 



$$





www.weather.gov/losangeles






853 

FZUS52 KKEY 181422

CWFKEY



Coastal Waters Forecast for the Florida Keys

National Weather Service Key West FL

1022 AM EDT Mon May 18 2026



Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef

to south of Dry Tortugas, and the extreme southeastern Gulf of

America, including The Florida Keys National Marine Sanctuary



Seas are given as significant wave height, which is the average

height of the highest 1/3 of the waves. Individual waves may be

more than twice the significant wave height.



Wave Detail will include details about the period and direction

of origin for the highest energy waves. Long-period swells coming

from a different direction than the wind would be included in the

Wave Detail.



GMZ005-190230-

Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas

1022 AM EDT Mon May 18 2026



.SYNOPSIS...Surface high pressure centered near Bermuda will 

continue to promote moderate to fresh east to southeast breezes 

through the next couple of days. Breezes then undergo a very slow

slackening process with peaks expected during the evenings and 

lulls during the day. Rain and thunder chances will remain above 

normal through much of the week.



The Approximate Shoreward Edge of the Gulf Stream as of May 12... 



35 NM South of Dry Tortugas Light...on Loggerhead Key.

 9 NM South of Cosgrove Shoal Light...off the Marquesas Keys.

 6 NM South of Sand Key Light...off Key West.

 7 NM South of Looe Key...off Big Pine Key.

 6 NM Southeast of Sombrero Key Light...off Marathon.

 6 NM Southeast of Alligator Reef Light...off Islamorada.

 4 NM Southeast of Molasses Reef Light...off Key Largo.  

 3 NM Southeast of Carysfort Reef Light...off Ocean Reef.



Gulf Stream Information Courtesy of the National Weather Service in 

Key West based on products from NASA SPoRT and RTOFS.



$$



GMZ031-190230-

Florida Bay including Barnes Sound, Blackwater Sound, and

Buttonwood Sound-

1022 AM EDT Mon May 18 2026



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.THIS AFTERNOON...East to southeast winds 15 to 20 knots. Bay 

waters choppy. A chance of showers with a slight chance of 

thunderstorms.

.TONIGHT...East winds 15 to 20 knots. Bay waters choppy. A chance

of showers with a slight chance of thunderstorms. 

.TUESDAY...East winds near 15 knots. Bay waters a moderate chop.

A chance of showers with a slight chance of thunderstorms. 

.TUESDAY NIGHT...East winds near 15 knots. Bay waters a moderate

chop. A chance of showers with a slight chance of thunderstorms. 

.WEDNESDAY...East winds 10 to 15 knots. Bay waters a light to 

moderate chop. A slight chance of showers and thunderstorms. 

.WEDNESDAY NIGHT...East winds near 15 knots, decreasing to 10 to

15 knots. Bay waters a moderate chop, becoming a light to 

moderate chop. A slight chance of showers and thunderstorms. 

.THURSDAY...East winds 10 to 15 knots. Bay waters a light to

moderate chop. A slight chance of showers and thunderstorms. 

.THURSDAY NIGHT...East winds near 10 knots. Bay waters a light 

chop. A slight chance of showers. 

.FRIDAY...East to southeast winds 5 to 10 knots. Bay waters

smooth to a light chop. A slight chance of showers and

thunderstorms. 

.FRIDAY NIGHT...East to southeast winds near 10 knots. Bay waters

a light chop. A slight chance of showers. 



$$



GMZ032-035-190230-

Bayside and Gulfside from Craig Key to west end of Seven Mile

Bridge-

Gulf of America from west end of Seven Mile Bridge to Halfmoon

Shoal out to 5 Fathoms-

1022 AM EDT Mon May 18 2026



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.THIS AFTERNOON...East to southeast winds 15 to 20 knots. Seas 2 

to 3 feet, except 3 to 4 feet, occasionally to 5 feet west of the 

Marquesas Keys. Nearshore waters choppy. A chance of showers with 

a slight chance of thunderstorms.

.TONIGHT...East winds 15 to 20 knots. Seas 2 to 3 feet, except 3 

to 4 feet, occasionally to 5 feet west of the Marquesas Keys. 

Nearshore waters choppy. A chance of showers with a slight chance 

of thunderstorms. 

.TUESDAY...East winds near 15 knots. Seas 1 to 2 feet, except

2 to 3 feet west of the Marquesas Keys. Nearshore waters a

moderate chop. A chance of showers with a slight chance of

thunderstorms. 

.TUESDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15

knots. Seas 1 to 2 feet, except 2 to 4 feet, occasionally to 5

feet west of the Marquesas Keys. Nearshore waters choppy, 

becoming a moderate chop. A chance of showers with a slight chance

of thunderstorms. 

.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 2 feet, except 2

to 3 feet west of the Marquesas Keys. Nearshore waters a light to

moderate chop. A chance of showers with a slight chance of 

thunderstorms. 

.WEDNESDAY NIGHT...East winds near 15 knots, decreasing to 10 to 

15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the 

Marquesas Keys. Nearshore waters a moderate chop, becoming a light

to moderate chop. A slight chance of showers and thunderstorms. 

.THURSDAY...East winds near 10 knots. Seas 1 to 2 feet. Nearshore

waters a light chop. A slight chance of showers and

thunderstorms. 

.THURSDAY NIGHT...East to southeast winds near 10 knots. Seas 1 

to 2 feet. Nearshore waters a light chop. A slight chance of 

showers.

.FRIDAY...East to southeast winds 5 to 10 knots. Seas around 1

foot. Nearshore waters smooth to a light chop. A slight chance of

showers and thunderstorms. 

.FRIDAY NIGHT...East to southeast winds near 10 knots. Seas 

around 1 foot, except building to 1 to 2 feet west of the

Marquesas Keys. Nearshore waters a light chop. A slight chance of

showers and thunderstorms.



$$



GMZ042>044-190230-

Hawk Channel from Ocean Reef to Craig Key out to the reef-

Hawk Channel from Craig Key to west end of Seven Mile Bridge out

to the reef-

Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal

out to the reef-

1022 AM EDT Mon May 18 2026



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.THIS AFTERNOON...East to southeast winds 15 to 20 knots. Seas 3 

to 4 feet, occasionally to 5 feet. Nearshore waters choppy. A 

chance of showers with a slight chance of thunderstorms. 

.TONIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet,

occasionally to 5 feet. Nearshore waters choppy. A chance of

showers with a slight chance of thunderstorms. 

.TUESDAY...East winds near 15 knots. Seas 2 to 4 feet,

occasionally to 5 feet. Nearshore waters a moderate chop. A

chance of showers with a slight chance of thunderstorms. 

.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet,

occasionally to 5 feet. Nearshore waters choppy. A chance of 

showers with a slight chance of thunderstorms. 

.WEDNESDAY...East winds near 15 knots. Seas 2 to 3 feet.

Nearshore waters a moderate chop. A slight chance of showers and

thunderstorms. 

.WEDNESDAY NIGHT...East winds near 15 knots, decreasing to 10 to 

15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop,

becoming a light to moderate chop. A slight chance of showers and

thunderstorms. 

.THURSDAY...East winds 10 to 15 knots. Seas around 2 feet. 

Nearshore waters a light to moderate chop. A slight chance of 

showers and thunderstorms. 

.THURSDAY NIGHT...East to southeast winds near 10 knots. Seas 1 

to 2 feet. Nearshore waters a light chop. A slight chance of 

showers and thunderstorms. 

.FRIDAY...East to southeast winds 5 to 10 knots. Seas 1 to

2 feet, subsiding to around 1 foot. Nearshore waters smooth to a 

light chop. A slight chance of showers. 

.FRIDAY NIGHT...East to southeast winds near 10 knots. Seas

building to 1 to 2 feet. Nearshore waters a light chop. A slight 

chance of showers and thunderstorms. 



$$



GMZ052>055-072>075-190230-

Straits of Florida from Ocean Reef to Craig Key out 20 NM-

Straits of Florida fromCraig Key to west end of Seven Mile

Bridge out 20 NM-

Straits of Florida from west end of Seven Mile Bridge to south of

Halfmoon Shoal out 20 NM-

Straits of Florida from Halfmoon Shoal to 20 NM west of Dry

Tortugas out 20 NM-

Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-

Straits of Florida from Craig Key to west end of Seven Mile

Bridge 20 to 60 NM out-

Straits of Florida from west end of Seven Mile Bridge to south of

Halfmoon Shoal 20 to 60 NM out-

Straits of Florida from Halfmoon Shoal to 20 NM west of Dry

Tortugas 20 to 60 NM out-

1022 AM EDT Mon May 18 2026



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.THIS AFTERNOON...East to southeast winds 15 to 20 knots. Seas 4 

to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 6 

seconds. A chance of showers with a slight chance of 

thunderstorms. 

.TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet,

occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. A

chance of showers with a slight chance of thunderstorms. 

.TUESDAY...East winds near 15 knots. Seas 3 to 5 feet,

occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. A

chance of showers with a slight chance of thunderstorms. 

.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, 

occasionally to 6 feet. A chance of showers with a slight chance 

of thunderstorms. 

.WEDNESDAY...East winds near 15 knots. Seas 3 to 4 feet, 

occasionally to 5 feet. A slight chance of showers and 

thunderstorms. 

.WEDNESDAY NIGHT...East winds near 15 knots, decreasing to 10 to 

15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight 

chance of showers and thunderstorms. 

.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet,

occasionally to 5 feet. A slight chance of showers and 

thunderstorms.

.THURSDAY NIGHT...East to southeast winds near 10 knots. Seas 2 

to 3 feet. A slight chance of showers and thunderstorms. 

.FRIDAY...East to southeast winds near 10 knots. Seas around 2 

feet. A slight chance of showers. 

.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to

3 feet. A slight chance of showers and thunderstorms. 



$$



GMZ033-034-190230-

Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM

out and beyond 5 fathoms-

Gulf of America including Dry Tortugas and Rebecca Shoal Channel-

1022 AM EDT Mon May 18 2026



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.THIS AFTERNOON...East to southeast winds 15 to 20 knots. Seas 2 

to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 

seconds. A chance of showers with a slight chance of 

thunderstorms. 

.TONIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet,

occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A

chance of showers with a slight chance of thunderstorms. 

.TUESDAY...East winds near 15 knots, decreasing to 10 to 15 

knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East

3 feet at 5 seconds. A chance of showers with a slight chance of 

thunderstorms. 

.TUESDAY NIGHT...East winds near 15 knots. Seas 2 to 3 feet. A 

chance of showers with a slight chance of thunderstorms. 

.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A

slight chance of showers and thunderstorms. 

.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet. A

slight chance of showers and thunderstorms. 

.THURSDAY...East winds 10 to 15 knots, decreasing to 5 to 10 

knots. Seas 1 to 2 feet. A slight chance of showers and 

thunderstorms. 

.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet. A

slight chance of showers and thunderstorms. 

.FRIDAY...East to southeast winds near 5 knots. Seas 1 to 2 feet.

A slight chance of showers and thunderstorms. 

.FRIDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to 

2 feet. A slight chance of showers and thunderstorms. 



$$






355 

FZUS52 KMLB 181426

CWFMLB



Coastal Waters Forecast for East Central Florida...RESENT

National Weather Service Melbourne FL

1026 AM EDT Mon May 18 2026



Atlantic coastal waters from Flagler Beach to Jupiter Inlet out 60 nm.



Seas are provided as a range of the average height of the highest

one third of the waves, along with the occasional height of the 

average highest ten percent of the waves.



AMZ500-190315-

Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm

1026 AM EDT Mon May 18 2026



.SYNOPSIS...High pressure maintains a favorable influence over the 

local waters through this week, supporting an onshore moderate 

breeze. There may be a brief wind surge promoting short-fused 

poor boating tonight, mainly offshore, building seas to 5 feet. 

The center of high pressure will drift farther north and east of 

the area by mid week, but little to no change in the overall 

pattern is expected into this weekend. 



.GULF STREAM HAZARDS...East winds 15 to 20 knots souht of Cape

Canaveral with seas up to 5 feet.



The approximate location of the west wall of the Gulf Stream based on

the Real Time Ocean Forecast System as of Monday, May 18th, 2026. 



43 nautical miles east of Ponce Inlet.

28 nautical miles east of Port Canaveral.

22 nautical miles east of Sebastian Inlet.

15 nautical miles east of Fort Pierce Inlet.

 9 nautical miles east of Saint Lucie Inlet.



$$



AMZ550-190315-

Flagler Beach to Volusia-Brevard County Line 0-20 nm-

1026 AM EDT Mon May 18 2026



.REST OF TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East 4 feet at 6 seconds and east 1 foot at

9 seconds. A moderate chop on the intracoastal waters. 

.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave

Detail: East 4 feet at 6 seconds. A light chop on the

intracoastal waters. A slight chance of showers. 

.TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave

Detail: East 4 feet at 7 seconds. A moderate chop on the

intracoastal waters. A slight chance of showers in the morning,

then a chance of showers with a slight chance of thunderstorms in

the afternoon. 

.TUESDAY NIGHT...East winds 10 to 15 knots, becoming southeast

5 to 10 knots after midnight. Seas 3 feet. Wave Detail: East

3 feet at 7 seconds. A light chop on the intracoastal waters. 

.WEDNESDAY...East winds 5 to 10 knots. Seas 3 feet. Wave Detail:

East 3 feet at 8 seconds. A light chop on the intracoastal

waters. 

.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 feet.

Wave Detail: East 3 feet at 9 seconds. Mostly smooth on the

intracoastal waters. 

.THURSDAY...East winds 5 to 10 knots, increasing to 10 to

15 knots in the afternoon. Seas 3 feet. A moderate chop on the

intracoastal waters. 

.THURSDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to

5 to 10 knots after midnight. Seas 3 feet. A light chop on the

intracoastal waters. A slight chance of showers and thunderstorms

after midnight. 

.FRIDAY...Southeast winds 5 to 10 knots, becoming east 10 to

15 knots in the afternoon. Seas 3 to 4 feet. A moderate chop on

the intracoastal waters. A slight chance of showers and

thunderstorms. 

.FRIDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to

5 to 10 knots after midnight. Seas 3 to 4 feet. A light chop on

the intracoastal waters. A slight chance of showers after

midnight. 



Winds and waves higher in and near thunderstorms.



$$



AMZ552-190315-

Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-

1026 AM EDT Mon May 18 2026



.REST OF TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East 4 feet at 6 seconds and northeast 1 foot at

10 seconds. A moderate chop on the intracoastal waters. A slight

chance of showers and thunderstorms this afternoon. 

.TONIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet,

occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. A

light chop on the intracoastal waters. A slight chance of

thunderstorms in the evening. A slight chance of showers. 

.TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave

Detail: East 4 feet at 6 seconds. A moderate chop on the

intracoastal waters. A slight chance of showers. A slight chance

of thunderstorms in the afternoon. 

.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East 4 feet at 6 seconds. A light chop on the

intracoastal waters. 

.WEDNESDAY...East winds around 10 knots. Seas 3 feet. Wave

Detail: East 3 feet at 8 seconds. A light chop on the

intracoastal waters. 

.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 feet.

Wave Detail: East 3 feet at 9 seconds. Mostly smooth on the

intracoastal waters. 

.THURSDAY...East winds 5 to 10 knots, increasing to 10 to

15 knots in the afternoon. Seas 2 to 3 feet. A moderate chop on

the intracoastal waters. A slight chance of showers. A slight

chance of thunderstorms in the afternoon. 

.THURSDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to

5 to 10 knots after midnight. Seas 3 feet. A light chop on the

intracoastal waters. A slight chance of showers and

thunderstorms. 

.FRIDAY...Southeast winds 5 to 10 knots, becoming east 10 to

15 knots in the afternoon. Seas 3 feet. A moderate chop on the

intracoastal waters. A slight chance of showers and

thunderstorms. 

.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.

A light chop on the intracoastal waters. A slight chance of

thunderstorms in the evening. A slight chance of showers. 



Winds and waves higher in and near thunderstorms.



$$



AMZ555-190315-

Sebastian Inlet to Jupiter Inlet 0-20 nm-

1026 AM EDT Mon May 18 2026



.REST OF TODAY...East winds around 15 knots. Seas 3 to 4 feet.

Wave Detail: East 4 feet at 6 seconds and northeast 1 foot at

10 seconds. A moderate chop on the intracoastal waters. A chance

of showers. A slight chance of thunderstorms early this morning,

then a chance of thunderstorms this afternoon. 

.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet,

occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds.

Choppy on the intracoastal waters. A slight chance of

thunderstorms. A chance of showers in the evening, then a slight

chance of showers after midnight. 

.TUESDAY...East winds around 15 knots. Seas 3 to 4 feet. Wave

Detail: East 4 feet at 6 seconds. A moderate chop on the

intracoastal waters. A chance of showers. A slight chance of

thunderstorms in the morning, then a chance of thunderstorms in

the afternoon. 

.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East 4 feet at 6 seconds. A light chop on the

intracoastal waters. A slight chance of thunderstorms. A chance

of showers in the evening, then a slight chance of showers after

midnight. 

.WEDNESDAY...East winds 10 to 15 knots. Seas 3 feet. Wave Detail:

East 3 feet at 7 seconds. A moderate chop on the intracoastal

waters. A slight chance of showers and thunderstorms in the

morning. 

.WEDNESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to

10 knots after midnight. Seas 2 to 3 feet. Wave Detail: East

3 feet at 9 seconds. A light chop on the intracoastal waters. A

slight chance of showers. 

.THURSDAY...East winds 5 to 10 knots, increasing to 10 to

15 knots in the afternoon. Seas 2 to 3 feet. A moderate chop on

the intracoastal waters. A slight chance of showers and

thunderstorms. 

.THURSDAY NIGHT...East winds 10 to 15 knots, becoming southeast

5 to 10 knots after midnight. Seas 2 to 3 feet. A light chop on

the intracoastal waters. A slight chance of thunderstorms. A

slight chance of showers in the evening, then a chance of showers

after midnight. 

.FRIDAY...Southeast winds 5 to 10 knots, becoming east 10 to

15 knots in the afternoon. Seas 2 to 3 feet. A moderate chop on

the intracoastal waters. A chance of showers. A slight chance of

thunderstorms in the morning, then a chance of thunderstorms in

the afternoon. 

.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 feet. A

light chop on the intracoastal waters. A slight chance of

thunderstorms. A slight chance of showers in the evening, then a

chance of showers after midnight. 



Winds and waves higher in and near thunderstorms.



$$



AMZ570-190315-

Flagler Beach to Volusia-Brevard County Line 20-60 nm-

1026 AM EDT Mon May 18 2026



.REST OF TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East 4 feet at 7 seconds. 

.TONIGHT...East winds 15 to 20 knots, diminishing to 10 to

15 knots after midnight. Seas 4 to 5 feet, occasionally to

6 feet. Wave Detail: East 5 feet at 7 seconds. A slight chance of

thunderstorms in the evening. A slight chance of showers. 

.TUESDAY...East winds 10 to 15 knots. Seas 4 feet. Wave Detail:

East 4 feet at 8 seconds. A chance of showers. A slight chance of

thunderstorms in the afternoon. 

.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East 4 feet at 8 seconds. A slight chance of showers

in the evening. 

.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave

Detail: East 4 feet at 9 seconds and north 1 foot at 4 seconds. A

slight chance of showers in the morning. 

.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to

5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East

4 feet at 9 seconds. A slight chance of showers. 

.THURSDAY...Southeast winds 5 to 10 knots, becoming east 10 to

15 knots in the afternoon. Seas 3 to 4 feet. A slight chance of

showers. A slight chance of thunderstorms in the afternoon. 

.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to

4 feet. A slight chance of showers in the evening, then a chance

of showers with a slight chance of thunderstorms after midnight. 

.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A

slight chance of thunderstorms. A chance of showers in the

morning, then a slight chance of showers in the afternoon. 

.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet,

occasionally to 6 feet. A chance of showers with a slight chance

of thunderstorms. 



Winds and seas higher in and near thunderstorms.



$$



AMZ572-190315-

Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-

1026 AM EDT Mon May 18 2026



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.REST OF TODAY...East winds 15 to 20 knots. Seas 4 feet. Wave

Detail: East 4 feet at 6 seconds and north 1 foot at 9 seconds. A

chance of showers with a slight chance of thunderstorms this

afternoon. 

.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet,

occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds and

northwest 1 foot at 5 seconds. A chance of showers and

thunderstorms in the evening, then a slight chance of showers

after midnight. 

.TUESDAY...East winds 10 to 15 knots. Seas 4 feet. Wave Detail:

East 4 feet at 7 seconds and northwest 1 foot at 5 seconds. A

slight chance of showers. A slight chance of thunderstorms in the

afternoon. 

.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 feet. Wave

Detail: East 4 feet at 8 seconds. A slight chance of showers. 

.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave

Detail: East 4 feet at 9 seconds. A slight chance of showers in

the morning. 

.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to

4 feet. Wave Detail: East 4 feet at 9 seconds. A slight chance of

showers. 

.THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. A slight

chance of showers and thunderstorms. 

.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to

4 feet. A chance of showers with a slight chance of

thunderstorms. 

.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A

slight chance of thunderstorms. A chance of showers in the

morning, then a slight chance of showers in the afternoon. 

.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet,

occasionally to 6 feet. A chance of showers with a slight chance

of thunderstorms. 



Winds and seas higher in and near thunderstorms.



$$



AMZ575-190315-

Sebastian Inlet to Jupiter Inlet 20-60 nm-

1026 AM EDT Mon May 18 2026



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.REST OF TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet,

occasionally to 6 feet. Wave Detail: Southeast 5 feet at

6 seconds and northwest 1 foot at 6 seconds. A slight chance of

showers and thunderstorms early this morning, then a chance of

showers and thunderstorms this afternoon. 

.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet,

occasionally to 6 feet. Wave Detail: Southeast 5 feet at

6 seconds and northwest 1 foot at 5 seconds. A chance of showers

and thunderstorms in the evening, then a slight chance of showers

and thunderstorms after midnight. 

.TUESDAY...East winds around 15 knots. Seas 4 feet. Wave Detail:

Southeast 4 feet at 6 seconds and northwest 1 foot at 5 seconds.

A slight chance of thunderstorms. A chance of showers in the

morning, then a slight chance of showers in the afternoon. 

.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of

thunderstorms. A chance of showers in the evening, then a slight

chance of showers after midnight. 

.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave

Detail: East 4 feet at 8 seconds and south 1 foot at 5 seconds. A

slight chance of showers. A slight chance of thunderstorms in the

afternoon. 

.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.

Wave Detail: East 3 feet at 9 seconds and south 1 foot at

4 seconds. A slight chance of thunderstorms in the evening. A

chance of showers. 

.THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight

chance of showers and thunderstorms. 

.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to

4 feet. A chance of showers. A chance of thunderstorms in the

evening, then a slight chance of thunderstorms after midnight. 

.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A

slight chance of thunderstorms. A chance of showers in the

morning, then a slight chance of showers in the afternoon. 

.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.

A chance of showers and thunderstorms. 



Winds and seas higher in and near thunderstorms.



$$