FZUS53 KMKX 222010
NSHMKX

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

For waters within five nautical miles of shore on Lake Michigan

LMZ643-230900-
Sheboygan to Port Washington WI-
310 PM CDT Sat Aug 22 2026

.THROUGH EARLY EVENING...North wind 10 to 15 knots. Partly sunny
with a 50 percent chance of showers and thunderstorms. Slight
chance of waterspouts. Waves around 1 foot. 
.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. 

$$
LMZ644-230900-
Port Washington to North Point Light WI-
310 PM CDT Sat Aug 22 2026

.THROUGH EARLY EVENING...Northwest wind 10 to 15 knots veering
north late in the afternoon. Partly sunny with a 40 percent
chance of showers and thunderstorms. Slight chance of
waterspouts. Waves around 1 foot. 
.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. 

$$
LMZ645-230900-
North Point Light to Wind Point WI-
310 PM CDT Sat Aug 22 2026

.THROUGH EARLY EVENING...North wind 10 to 15 knots. Partly sunny
with a 40 percent chance of showers and thunderstorms. Slight
chance of waterspouts. Waves 1 to 2 feet. 
.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. 

$$
LMZ646-230900-
Wind Point WI to Winthrop Harbor IL-
310 PM CDT Sat Aug 22 2026

.THROUGH EARLY EVENING...North wind 10 to 15 knots. Partly sunny
with a 40 percent chance of showers and thunderstorms. Slight
chance of waterspouts. Waves 1 to 2 feet. 
.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.