FZUS53 KMKX 200410
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1110 PM CDT Tue May 19 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-201000-
Sheboygan to Port Washington WI-
1110 PM CDT Tue May 19 2026

.REST OF TONIGHT...Northwest wind 10 to 15 knots with gusts to
around 20 knots 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. 
.THURSDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves
2 to 4 feet subsiding to 1 to 2 feet in the afternoon. 

$$
LMZ644-201000-
Port Washington to North Point Light WI-
1110 PM CDT Tue May 19 2026

.REST OF TONIGHT...Northwest wind 10 to 15 knots. Partly cloudy.
Waves 1 to 2 feet. 
.WEDNESDAY...North wind 10 to 15 knots veering northeast in the
afternoon. Mostly sunny. Waves 1 to 2 feet building to 2 to
4 feet in the afternoon. 
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots rising to 15 to
20 knots after midnight, then becoming northeast 15 to 20 knots
early in the morning. Partly cloudy. Waves 3 to 4 feet. 
.THURSDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves
3 to 4 feet subsiding to 1 to 3 feet late in the afternoon. 

$$
LMZ645-201000-
North Point Light to Wind Point WI-
1110 PM CDT Tue May 19 2026

.REST OF TONIGHT...Northwest wind 10 to 15 knots with gusts to
around 20 knots veering north early in the morning. Partly
cloudy. Waves 1 to 2 feet. 
.WEDNESDAY...North wind 10 to 15 knots veering northeast with
gusts to around 20 knots late in the morning, then rising to
15 to 20 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet
building to 2 to 4 feet in the late morning and afternoon. 
.WEDNESDAY NIGHT...Northeast wind 15 to 20 knots. Partly cloudy.
Waves 3 to 4 feet. 
.THURSDAY...Northeast wind 15 to 20 knots easing to 10 to
15 knots late in the morning, then becoming northeast 10 to
15 knots in the afternoon. Partly sunny. Waves 3 to 4 feet. 

$$
LMZ646-201000-
Wind Point WI to Winthrop Harbor IL-
1110 PM CDT Tue May 19 2026

.REST OF TONIGHT...Northwest wind 10 to 15 knots veering north
early in the morning. Partly cloudy. Waves 1 to 2 feet. 
.WEDNESDAY...North wind 10 to 15 knots becoming north 10 to
15 knots with gusts to around 20 knots late in the morning, then
becoming northeast 15 to 20 knots in the afternoon. Partly sunny.
Waves 1 to 2 feet building to 3 to 4 feet in the late morning and
afternoon. 
.WEDNESDAY NIGHT...North wind 15 to 20 knots veering northeast
early in the morning. Partly cloudy. Waves 3 to 4 feet. 
.THURSDAY...Northeast wind 15 to 20 knots becoming east 10 to
15 knots late in the morning, then backing northeast early in the
afternoon becoming northeast 10 to 15 knots with gusts to around
20 knots late in the afternoon. Partly sunny. Waves 3 to 4 feet. 

$$
See Lake Michigan Open Waters Forecast for Friday through Sunday.