FZUS53 KMKX 230810
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
310 AM CDT Sun Aug 23 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-232100-
Sheboygan to Port Washington WI-
310 AM CDT Sun Aug 23 2026

.EARLY THIS MORNING...Northwest wind 10 to 15 knots rising to
15 to 20 knots early in the morning. Clear. Slight chance of
waterspouts. Waves 1 to 2 feet. 
.TODAY...Northwest wind 15 to 20 knots becoming north 10 to
15 knots with gusts to around 20 knots late in the afternoon.
Slight chance of waterspouts in the morning. Waves 1 to 2 feet. 
.TONIGHT...North wind 10 to 15 knots backing northwest early in
the morning. Mostly clear. Waves 1 to 2 feet. 
.MONDAY...Northwest wind 10 to 15 knots becoming north 5 to
10 knots early in the afternoon, then veering east late in the
afternoon. Sunny. Waves around 1 foot. 
.MONDAY NIGHT...South wind 5 to 10 knots veering west early in
the morning. Partly cloudy. Waves around 1 foot. 

$$
LMZ644-232100-
Port Washington to North Point Light WI-
310 AM CDT Sun Aug 23 2026

.EARLY THIS MORNING...Northwest wind 5 to 15 knots becoming 10 to
15 knots early in the morning. Clear. Slight chance of
waterspouts. Waves 1 to 2 feet. 
.TODAY...Northwest wind 10 to 15 knots. Slight chance of
waterspouts in the morning. Waves 1 to 2 feet. 
.TONIGHT...North wind 5 to 15 knots becoming 5 to 10 knots late
in the evening, then becoming north 5 to 10 knots after midnight.
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. 
.MONDAY NIGHT...Southwest wind 5 to 10 knots veering west early
in the morning. Partly cloudy. Waves around 1 foot. 

$$
LMZ645-232100-
North Point Light to Wind Point WI-
310 AM CDT Sun Aug 23 2026

.EARLY THIS MORNING...Northwest wind 5 to 10 knots rising to
10 to 15 knots early in the morning. Clear. Slight chance of
waterspouts. Waves 1 to 2 feet building to 2 to 4 feet early in
the morning. 
.TODAY...Northwest wind 10 to 15 knots veering north in the
afternoon. Slight chance of waterspouts in the morning. Waves
2 to 4 feet subsiding to 1 to 2 feet in the late morning and
afternoon. 
.TONIGHT...North wind 10 to 15 knots easing to 5 to 10 knots in
the late evening and early morning, then backing northwest early
in the morning. Partly cloudy. Waves 1 to 2 feet. 
.MONDAY...Northwest wind 5 to 10 knots veering northeast late in
the afternoon. Sunny. Waves 1 to 2 feet. 
.MONDAY NIGHT...Southeast wind 5 to 10 knots veering west early
in the morning. Partly cloudy. Waves around 1 foot. 

$$
LMZ646-232100-
Wind Point WI to Winthrop Harbor IL-
310 AM CDT Sun Aug 23 2026

.EARLY THIS MORNING...North wind 5 knots becoming northwest 10 to
15 knots early in the morning. Clear. Slight chance of
waterspouts. Waves 1 to 2 feet. 
.TODAY...Northwest wind 10 to 15 knots veering north early in the
afternoon, then backing northwest late in the afternoon. Slight
chance of waterspouts in the morning. Waves 1 to 2 feet. 
.TONIGHT...North wind 5 to 10 knots backing northwest after
midnight. Partly cloudy. Waves 1 to 2 feet. 
.MONDAY...Northwest wind 5 to 10 knots veering northeast late in
the afternoon. Sunny. Waves 1 to 2 feet. 
.MONDAY NIGHT...East wind 5 to 10 knots veering south late in the
evening, then veering southwest after midnight veering west early
in the morning. Partly cloudy. Waves around 1 foot. 

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