FZUS53 KMKX 240210 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 910 PM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-241000- Sheboygan to Port Washington WI- 910 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...North wind 10 to 15 knots backing northwest early in the morning. 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 nearly calm. .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. $$ LMZ644-241000- Port Washington to North Point Light WI- 910 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...North wind 5 to 10 knots backing northwest early in the morning. Clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then becoming north 5 to 10 knots in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...East wind 5 to 10 knots veering southwest late in the evening, then veering west after midnight becoming west 5 to 10 knots early in the morning. Mostly clear. Waves around 1 foot. .TUESDAY...West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots early in the afternoon becoming south 10 to 15 knots with gusts to around 20 knots late in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ645-241000- North Point Light to Wind Point WI- 910 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind 5 to 10 knots. 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. $$ LMZ646-241000- Wind Point WI to Winthrop Harbor IL- 910 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind 5 to 10 knots. Clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots veering northeast late in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...East wind 5 to 10 knots veering south late in the evening, then veering southwest after midnight veering west early in the morning. Mostly clear. Waves around 1 foot. .TUESDAY...West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots in the afternoon. Sunny. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Wednesday through Friday.