FZUS53 KMKX 231810
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
110 PM CDT Sun Aug 23 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-232200-
Sheboygan to Port Washington WI-
110 PM CDT Sun Aug 23 2026

.REST OF TODAY...North wind 10 to 15 knots with gusts to around
20 knots. Partly sunny. 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 northeast late in
the afternoon. Sunny. Waves around 1 foot. 
.MONDAY NIGHT...Southeast wind 5 to 10 knots veering west early
in the morning. Mostly clear. Waves around 1 foot. 

$$
LMZ644-232200-
Port Washington to North Point Light WI-
110 PM CDT Sun Aug 23 2026

.REST OF TODAY...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Partly sunny. Waves 1 to 2 feet. 
.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. 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 northeast late in
the afternoon. Sunny. Waves 1 to 2 feet. 
.MONDAY NIGHT...Southeast wind 5 to 10 knots veering southwest
late in the evening, then veering west after midnight becoming
west 5 to 10 knots early in the morning. Mostly clear. Waves
around 1 foot. 

$$
LMZ645-232200-
North Point Light to Wind Point WI-
110 PM CDT Sun Aug 23 2026

.REST OF TODAY...North wind 10 to 15 knots. Partly sunny. Waves
1 to 3 feet. 
.TONIGHT...North wind 10 to 15 knots easing to 5 to 10 knots late
in the evening, then backing northwest after midnight becoming
northwest 5 to 10 knots early in the morning. Mostly clear. Waves
1 to 2 feet. 
.MONDAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then veering north early in the afternoon
becoming northeast 5 to 10 knots late in the afternoon. Sunny.
Waves 1 to 2 feet. 
.MONDAY NIGHT...East wind 5 to 10 knots veering southwest late in
the evening, then becoming southwest 5 to 10 knots after midnight
veering west early in the morning. Mostly clear. Waves around
1 foot. 

$$
LMZ646-232200-
Wind Point WI to Winthrop Harbor IL-
110 PM CDT Sun Aug 23 2026

.REST OF TODAY...North wind 10 to 15 knots backing northwest late
in the afternoon. Partly sunny. Waves 1 to 2 feet. 
.TONIGHT...Northwest wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then becoming northwest 5 to 10 knots after
midnight. Mostly clear. Waves 1 to 2 feet. 
.MONDAY...Northwest wind 5 to 10 knots becoming north 10 to
15 knots early in the afternoon, then becoming northeast 5 to
10 knots late in the afternoon. Sunny. Waves 1 to 2 feet. 
.MONDAY NIGHT...East wind 5 to 10 knots veering west early in the
morning. Mostly clear. Waves around 1 foot. 

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