FZNT01 KWBC 192130
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
2230 UTC TUE MAY 19 2026 

CCODE/1:31:04:01:00/AOE/NWS/CCODE 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 

SEAS 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. 

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 
NATIONAL WEATHER SERVICE. EMAIL US AT 
VOSOPS@NOAA.GOV(LOWERCASE). 

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH 
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP 
(ALL LOWERCASE). 

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE 
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). 

SECURITE 

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W 

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS 

SYNOPSIS VALID 1800 UTC MAY 19. 
24 HOUR FORECAST VALID 1800 UTC MAY 20. 
48 HOUR FORECAST VALID 1800 UTC MAY 21. 

.WARNINGS. 

...GALE WARNING... 
.LOW E OF AREA NEAR 45N33W 988 MB MOVING NE 15 KT. WITHIN 900 NM 
SW QUADRANT WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M. ELSEWHERE WITHIN 
480 NM NW AND 1080 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 3 M. 
.24 HOUR FORECAST LOW E OF AREA NEAR 49N30W 984 MB. BETWEEN 360 
NM AND 720 NM NW QUADRANT...WITHIN 540 NM SW QUADRANT...AND FROM 
56N TO 61N BETWEEN 41W AND 49W WINDS 25 TO 40 KT. SEAS 2.5 TO 4 
M. ELSEWHERE WITHIN 960 NM NW AND 840 NM SW QUADRANTS WINDS TO 
25 KT. SEAS TO 2.5 M. 
.48 HOUR FORECAST LOW E OF AREA NEAR 55N28W 992 MB. CONDITIONS 
MOVED E OF AREA. 

...GALE WARNING... 
.48 HOUR FORECAST LOW 54N52W 978 MB. WITHIN 660 NM S 
SEMICIRCLE...AND BETWEEN 240 NM AND 600 NM NE QUADRANT WINDS 30 
TO 45 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN 780 NM OF LOW 
CENTER...EXCEPT 1080 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 
M. 

.SYNOPSIS AND FORECAST. 

.LOW 53N38W 993 MB MOVING S 10 KT. WITHIN 420 NM W AND 240 NM E 
SEMICIRCLES WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. 
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW E OF AREA 
NEAR 49N30W DESCRIBED IN WARNINGS SECTION ABOVE.

.LOW 62N62W 999 MB MOVING S 10 KT. WITHIN 180 NM W AND 300 NM E 
SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 58N62W 1008 MB. CONDITIONS DIMINISHED.

.LOW 44N59W 1015 MB MOVING SE 15 KT. WITHIN 960 NM SW QUADRANT 
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 43N52W 1008 MB. WITHIN 660 NM SE AND 960 
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M. 
.48 HOUR FORECAST LOW E OF AREA NEAR 38N33W 1010 MB. WITHIN 660 
NM SW QUADRANT WINDS TO 25 KT. SEAS TO 3 M. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 45N 
BETWEEN 65W AND 70W AND N OF 50N W OF 51N AND FROM 53N TO 56N 
BETWEEN 37W AND 40W. 
.24 HOUR FORECAST DENSE FOG FROM 42N TO 50N BETWEEN 50W AND 64W 
AND FROM 56N TO 63N BETWEEN 47W AND 55W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 49N BETWEEN 44W AND 50W 
AND FROM 51N TO 62N BETWEEN 43W AND 60W.

.FORECASTER HOLLEY. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA

SYNOPSIS VALID 1800 UTC TUE MAY 19.
24 HOUR FORECAST VALID 1800 UTC WED MAY 20.
48 HOUR FORECAST VALID 1800 UTC THU MAY 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 21N70W TO 22N71W TO 21N74W TO 20N74W TO 20N71W TO
20N70W TO 21N70W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC WITHIN 11N45W TO 12N47W TO 11N56W TO 08N56W TO 07N54W TO
07N46W TO 11N45W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO
E SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC 18 HOUR FORECAST WITHIN31N35W TO 31N45W TO 30.5N42W TO
30N40W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO
N SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN WITHIN 13N69W TO 16N76W TO 16N80W TO 11N80W TO 12N69W
TO 13N69W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M IN E SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 15N70W TO 15N74W TO 13N75W TO 11N68W TO
13N68W TO 15N70W...INCLUDING THE GULF OF VENEZUELA... E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.

.CARIBBEAN WITHIN 18N85W TO 19N85W TO 18N88W TO 16N89W TO 16N84W
TO 18N85W...INCLUDING THE GULF OF HONDURAS... E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN AND GULF OF AMERICA WITHIN 23N88W TO 23N90W TO 21N92W
TO 20N91W TO 21N89W TO 22N87W TO 23N88W NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.