FZUS53 KMKX 221210 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 710 AM CDT Sat Aug 22 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-221600- Sheboygan to Port Washington WI- 710 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 10 to 20 knots becoming 10 to 15 knots late in the morning, then becoming northwest 10 to 15 knots early in the afternoon veering north late in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...North wind 10 to 20 knots becoming 10 to 15 knots late in the evening, then backing northwest after midnight becoming northwest 10 to 15 knots early in the morning. Chance of showers and thunderstorms through around midnight. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 10 to 15 knots easing to 5 to 10 knots early in the morning. Mostly clear. Waves 1 to 2 feet. $$ LMZ644-221600- Port Washington to North Point Light WI- 710 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 5 to 15 knots becoming 10 to 15 knots in the late morning and early afternoon, then becoming northwest 10 to 15 knots late in the afternoon. Slight chance of showers and thunderstorms late in the afternoon. Waves 1 to 2 feet. .TONIGHT...North wind 10 to 15 knots backing northwest early in the morning. Slight chance of showers and thunderstorms through around midnight. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 5 to 15 knots becoming 5 to 10 knots late in the evening, then becoming north 5 to 10 knots after midnight. Mostly clear. Waves 1 to 2 feet. $$ LMZ645-221600- North Point Light to Wind Point WI- 710 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 5 to 20 knots becoming 10 to 15 knots late in the morning, then veering north early in the afternoon becoming north 10 to 15 knots late in the afternoon. Slight chance of showers and thunderstorms late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. .TONIGHT...North wind 10 to 15 knots backing northwest early in the morning. Slight chance of showers and thunderstorms through around midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .SUNDAY NIGHT...North wind 10 to 15 knots easing to 5 to 10 knots late in the evening, then becoming north 5 to 10 knots after midnight. Mostly clear. Waves 1 to 3 feet. $$ LMZ646-221600- Wind Point WI to Winthrop Harbor IL- 710 AM CDT Sat Aug 22 2026 .TODAY...Northwest wind 5 to 20 knots becoming 10 to 15 knots late in the morning, then veering north early in the afternoon becoming north 10 to 15 knots late in the afternoon. Slight chance of showers and thunderstorms late in the afternoon. Waves 1 to 2 feet. .TONIGHT...Northwest wind 10 to 15 knots veering north in the late evening and early morning, then backing northwest early in the morning. Slight chance of showers and thunderstorms through around midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .SUNDAY NIGHT...North wind 5 to 15 knots becoming 5 to 10 knots late in the evening, then becoming north 5 to 10 knots after midnight. Mostly clear. Waves 1 to 3 feet. $$ See Lake Michigan Open Waters Forecast for Monday through Wednesday.