FZUS53 KMKX 222210
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
510 PM CDT Sat Aug 22 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-230400-
Sheboygan to Port Washington WI-
510 PM CDT Sat Aug 22 2026

.TONIGHT...North wind 10 to 15 knots backing northwest early in
the morning. Chance of showers and thunderstorms in the evening.
slight chance of waterspouts through the night. Waves 1 to
2 feet. 
.SUNDAY...Northwest wind 10 to 15 knots veering north late in the
afternoon. Sunny. Waves 1 to 2 feet. 
.SUNDAY NIGHT...Northeast wind 10 to 15 knots becoming north 5 to
10 knots after midnight. Partly cloudy through around midnight
then becoming clear. Waves 1 to 2 feet. 
.MONDAY...Northwest wind 10 to 15 knots veering north late in the
morning, then becoming northeast 5 to 10 knots early in the
afternoon veering east late in the afternoon. Sunny. Waves 1 to
2 feet. 

$$
LMZ644-230400-
Port Washington to North Point Light WI-
510 PM CDT Sat Aug 22 2026

.TONIGHT...North wind 10 to 15 knots backing northwest early in
the morning. Slight chance of showers and thunderstorms in the
evening. slight chance of waterspouts through the night. Waves
1 to 2 feet. 
.SUNDAY...Northwest wind 10 to 15 knots veering north late in the
afternoon. Sunny in the morning then becoming partly sunny. Waves
1 to 2 feet. 
.SUNDAY NIGHT...North wind 5 to 15 knots veering northeast 5 to
10 knots in the late evening and early morning, then backing
north early in the morning. Mostly clear. Waves 1 to 2 feet. 
.MONDAY...North wind 5 to 10 knots veering east late in the
afternoon. Sunny. Waves 1 to 2 feet. 

$$
LMZ645-230400-
North Point Light to Wind Point WI-
510 PM CDT Sat Aug 22 2026

.TONIGHT...North wind 10 to 15 knots backing northwest early in
the morning. Slight chance of showers and thunderstorms in the
evening. slight chance of waterspouts through the night. Waves
1 to 2 feet. 
.SUNDAY...Northwest wind 10 to 15 knots veering north late in the
afternoon. Slight chance of waterspouts in the morning. Waves
1 to 2 feet. 
.SUNDAY NIGHT...North wind 10 to 15 knots becoming northeast 5 to
10 knots in the late evening and early morning, then backing
north early in the morning. Mostly clear. Waves 1 to 3 feet. 
.MONDAY...North wind 5 to 10 knots veering east late in the
afternoon. Sunny. Waves 1 to 2 feet. 

$$
LMZ646-230400-
Wind Point WI to Winthrop Harbor IL-
510 PM CDT Sat Aug 22 2026

.TONIGHT...North wind 10 to 15 knots backing northwest early in
the morning. Slight chance of showers and thunderstorms in the
evening. slight chance of waterspouts through the night. Waves
1 to 2 feet. 
.SUNDAY...Northwest wind 10 to 15 knots. Slight chance of
waterspouts in the morning. Waves 1 to 2 feet. 
.SUNDAY NIGHT...North wind 5 to 10 knots veering northeast in the
late evening and early morning, then backing northwest early in
the morning. Mostly clear. Waves 1 to 2 feet. 
.MONDAY...Northwest wind 5 to 10 knots veering northeast late in
the afternoon. Sunny. Waves 1 to 2 feet. 

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