FZUS53 KMKX 232210 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 510 PM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-240400- Sheboygan to Port Washington WI- 510 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. $$ LMZ644-240400- Port Washington to North Point Light WI- 510 PM CDT Sun Aug 23 2026 .TONIGHT...North wind 10 to 15 knots easing to 5 to 10 knots in the late evening and early morning, then backing northwest early in the morning. Mostly clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 10 to 15 knots becoming north 5 to 10 knots early in the afternoon, then veering northeast late in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...Southeast wind 5 to 10 knots veering southwest late in the evening, then veering west after midnight becoming west 5 to 10 knots early in the morning. Mostly clear. Waves around 1 foot. .TUESDAY...West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots early in the afternoon becoming south 10 to 15 knots with gusts to around 20 knots late in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ645-240400- North Point Light to Wind Point WI- 510 PM CDT Sun Aug 23 2026 .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. .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. $$ LMZ646-240400- Wind Point WI to Winthrop Harbor IL- 510 PM CDT Sun Aug 23 2026 .TONIGHT...Northwest wind 10 to 15 knots easing to 5 to 10 knots late in the evening, then becoming northwest 5 to 10 knots after midnight. Mostly clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots becoming north 10 to 15 knots early in the afternoon, then becoming northeast 5 to 10 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...East wind 5 to 10 knots veering west early in the morning. Mostly clear. Waves around 1 foot. .TUESDAY...West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots in the afternoon. Sunny. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Wednesday through Friday.