FZUS53 KMKX 221010 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 510 AM CDT Sun Mar 22 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-221600- Sheboygan to Port Washington WI- 510 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...North wind 15 to 25 knots with gusts to around 30 knots. Slight chance of rain in the morning, then chance of sprinkles and flurries late in the morning. Waves 3 to 5 feet building to 5 to 7 feet in the late morning and afternoon. .TONIGHT...North wind 15 to 25 knots becoming 15 to 20 knots after midnight. Partly cloudy. Waves 5 to 7 feet subsiding to 3 to 4 feet. .MONDAY...North wind 10 to 15 knots easing to 5 to 10 knots early in the afternoon, then veering east late in the afternoon. Sunny. Waves 3 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon. .MONDAY NIGHT...Southeast wind 10 to 15 knots veering south after midnight, then rising to 15 to 20 knots early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet early in the morning. $$ LMZ644-221600- Port Washington to North Point Light WI- 510 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...North wind 15 to 25 knots with gusts to around 30 knots. Chance of sprinkles through the day. Chance of flurries in the late morning and early afternoon. Waves 4 to 6 feet building to 6 to 8 feet in the late morning and afternoon. .TONIGHT...North wind 15 to 25 knots easing to 10 to 20 knots early in the morning. Partly cloudy. Waves 6 to 8 feet subsiding to 4 to 6 feet. .MONDAY...North wind 10 to 15 knots becoming northeast 5 to 10 knots early in the afternoon, then veering east late in the afternoon. Sunny. Waves 3 to 4 feet subsiding to 1 to 2 feet in the afternoon. .MONDAY NIGHT...East wind 5 to 10 knots becoming southeast 10 to 15 knots late in the evening, then veering south after midnight becoming south 10 to 15 knots early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves 1 to 2 feet. $$ LMZ645-221600- North Point Light to Wind Point WI- 510 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...North wind 15 to 25 knots rising to up to 30 knots in the afternoon. Chance of sprinkles through the day. Chance of flurries in the afternoon. Waves 4 to 6 feet building to 7 to 9 feet in the late morning and afternoon. .TONIGHT...North wind up to 30 knots easing to 15 to 25 knots late in the evening, then becoming north 15 to 25 knots after midnight becoming 15 to 20 knots early in the morning. Mostly cloudy through around midnight then becoming partly cloudy. Waves 7 to 9 feet subsiding to 5 to 7 feet early in the morning. .MONDAY...North wind 10 to 20 knots becoming 10 to 15 knots late in the morning, then easing to 5 to 10 knots early in the afternoon veering northeast late in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet. .MONDAY NIGHT...East wind 5 to 10 knots veering southeast late in the evening, then becoming south 10 to 15 knots after midnight. Partly cloudy through around midnight then becoming mostly cloudy. Waves 1 to 2 feet. $$ LMZ646-221600- Wind Point WI to Winthrop Harbor IL- 510 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...North wind 15 to 25 knots rising to up to 30 knots in the afternoon. Chance of sprinkles through the day. Slight chance of snow in the afternoon. Waves 4 to 6 feet building to 7 to 9 feet. .TONIGHT...North wind up to 30 knots easing to 15 to 25 knots in the late evening and early morning, then becoming 15 to 20 knots early in the morning. Mostly cloudy through around midnight then becoming partly cloudy. Waves 7 to 9 feet subsiding to 5 to 7 feet early in the morning. .MONDAY...North wind 10 to 20 knots becoming 10 to 15 knots late in the morning, then easing to 5 to 10 knots early in the afternoon veering northeast late in the afternoon. Partly sunny in the morning then clearing. Waves 3 to 5 feet subsiding to 1 to 3 feet. .MONDAY NIGHT...East wind 5 to 10 knots veering southeast late in the evening, then becoming south 10 to 15 knots after midnight. Partly cloudy through around midnight then becoming mostly cloudy. Waves 1 to 2 feet. $$ See Lake Michigan Open Waters Forecast for Tuesday through Thursday.