FZUS53 KMKX 240010
NSHMKX

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

For waters within five nautical miles of shore on Lake Michigan

LMZ643-240400-
Sheboygan to Port Washington WI-
710 PM CDT Sun Aug 23 2026

.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. 
.TUESDAY...West wind 5 to 10 knots backing southwest late in the
morning, then becoming south 10 to 15 knots early in the
afternoon rising to 15 to 20 knots late in the afternoon. Mostly
sunny. Waves around 1 foot building to 2 to 4 feet late in the
afternoon. 

$$
LMZ644-240400-
Port Washington to North Point Light WI-
710 PM CDT Sun Aug 23 2026

.TONIGHT...Northwest wind 5 to 10 knots veering north 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 rising to 10 to 15 knots
late in the morning, then becoming north 5 to 10 knots in the
afternoon. Sunny. Waves 1 to 2 feet. 
.MONDAY NIGHT...East 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.
.TUESDAY...West wind 5 to 10 knots backing southwest late in the
morning, then becoming south 10 to 15 knots early in the
afternoon becoming south 10 to 15 knots with gusts to around
20 knots late in the afternoon. Mostly sunny. Waves around
1 foot. 

$$
LMZ645-240400-
North Point Light to Wind Point WI-
710 PM CDT Sun Aug 23 2026

.TONIGHT...North wind 5 to 10 knots backing northwest after
midnight. 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 becoming north 5 to 10 knots early in
the afternoon veering northeast 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. 
.TUESDAY...West wind 5 to 10 knots backing southwest late in the
morning, then becoming south 10 to 15 knots with gusts to around
20 knots in the afternoon. Mostly sunny. Waves around 1 foot. 

$$
LMZ646-240400-
Wind Point WI to Winthrop Harbor IL-
710 PM CDT Sun Aug 23 2026

.TONIGHT...Northwest wind 5 to 10 knots. 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...East wind 5 to 10 knots veering south late in the
evening, then veering southwest after midnight veering west early
in the morning. Mostly clear. Waves around 1 foot. 
.TUESDAY...West wind 5 to 10 knots backing southwest late in the
morning, then becoming south 10 to 15 knots in the afternoon.
Sunny. Waves around 1 foot. 

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