FZUS53 KMKX 191610
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1110 AM CDT Tue May 19 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-192200-
Sheboygan to Port Washington WI-
1110 AM CDT Tue May 19 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...Southwest wind 15 to 20 knots veering west late
in the afternoon. Gusts up to 25 knots. Slight chance of showers
early in the afternoon. Waves 3 to 4 feet. 
.TONIGHT...West wind 15 to 20 knots veering northwest late in the
evening, then easing to 10 to 15 knots after midnight becoming
northwest 10 to 15 knots early in the morning. Partly cloudy.
Waves 1 to 2 feet. 
.WEDNESDAY...North wind 10 to 15 knots veering northeast late in
the afternoon. Mostly sunny. Waves 1 to 2 feet building to 2 to
4 feet late in the afternoon. 
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Partly cloudy.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and early morning, then building to 2 to 4 feet early in the
morning. 

$$
LMZ644-192200-
Port Washington to North Point Light WI-
1110 AM CDT Tue May 19 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...West wind 15 to 20 knots. Gusts up to 25 knots.
Slight chance of showers early in the afternoon. Waves 2 to
4 feet subsiding to 1 to 2 feet late in the afternoon. 
.TONIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots
late in the evening, then becoming northwest 10 to 15 knots after
midnight veering north early in the morning. Partly cloudy. Waves
1 to 2 feet. 
.WEDNESDAY...North wind 10 to 15 knots veering northeast in the
afternoon. Partly sunny. Waves 1 to 2 feet building to 2 to
4 feet late in the afternoon. 
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots rising to 15 to
20 knots early in the morning. Partly cloudy. Waves 2 to 4 feet. 

$$
LMZ645-192200-
North Point Light to Wind Point WI-
1110 AM CDT Tue May 19 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...Southwest wind 15 to 20 knots veering west late
in the afternoon. Gusts up to 25 knots. Mostly cloudy. Waves 1 to
2 feet. 
.TONIGHT...Northwest wind 10 to 15 knots veering north early in
the morning. Gusts up to 20 knots. Partly cloudy. Waves 1 to
2 feet. 
.WEDNESDAY...North wind 10 to 15 knots becoming northeast 15 to
20 knots early in the afternoon, then easing to 10 to 15 knots
late in the afternoon. Partly sunny. Waves 1 to 2 feet building
to 2 to 4 feet in the afternoon. 
.WEDNESDAY NIGHT...Northeast wind 15 to 20 knots. Partly cloudy.
Waves 3 to 4 feet. 

$$
LMZ646-192200-
Wind Point WI to Winthrop Harbor IL-
1110 AM CDT Tue May 19 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.REST OF TODAY...Southwest wind 15 to 20 knots becoming west
10 to 15 knots late in the afternoon. Gusts up to 25 knots.
Slight chance of showers early in the afternoon. Waves 1 to
2 feet. 
.TONIGHT...Northwest wind 10 to 15 knots veering north early in
the morning. Gusts up to 20 knots. Partly cloudy. Waves 1 to
2 feet. 
.WEDNESDAY...North wind 10 to 15 knots veering northeast with
gusts to around 20 knots in the afternoon. Partly sunny. Waves
1 to 2 feet building to 2 to 4 feet in the afternoon. 
.WEDNESDAY NIGHT...Northeast wind 15 to 20 knots. Partly cloudy.
Waves 3 to 4 feet. 

$$
See Lake Michigan Open Waters Forecast for Thursday through Saturday.