FZUS53 KMKX 041210 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 710 AM CDT Mon May 4 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-041600- Sheboygan to Port Washington WI- 710 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TODAY...Southwest wind 10 to 15 knots rising to 15 to 20 knots late in the morning, then becoming 10 to 20 knots early in the afternoon becoming 15 to 20 knots late in the afternoon. Gusts up to 25 knots. Slight chance of showers and thunderstorms late in the afternoon. Waves 1 to 2 feet building to 3 to 4 feet in the late morning and afternoon. .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots veering northwest in the late evening and overnight. Slight chance of thunderstorms through around midnight. Chance of showers through the night. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. .TUESDAY...Northwest wind 10 to 15 knots backing west late in the afternoon. Partly sunny. Waves around 1 foot. .TUESDAY NIGHT...West wind 5 to 10 knots veering northwest early in the morning. Mostly cloudy through around midnight then becoming partly cloudy. Waves around 1 foot. $$ LMZ644-041600- Port Washington to North Point Light WI- 710 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TODAY...Southwest wind 10 to 15 knots rising to 15 to 20 knots with gusts to around 25 knots late in the morning, then becoming 10 to 20 knots with gusts to around 25 knots early in the afternoon becoming 15 to 20 knots with gusts to around 25 knots late in the afternoon. Slight chance of showers and thunderstorms late in the afternoon. Waves around 1 foot building to 2 to 4 feet in the late morning and afternoon. .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots veering northwest after midnight. Chance of thunderstorms through around midnight. Chance of showers through the night. Waves 1 to 2 feet. .TUESDAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots early in the afternoon, then becoming west 5 to 10 knots late in the afternoon. Partly sunny. Waves around 1 foot. .TUESDAY NIGHT...West wind 5 to 10 knots veering northwest early in the morning. Mostly cloudy through around midnight then becoming partly cloudy. Waves around 1 foot. $$ LMZ645-041600- North Point Light to Wind Point WI- 710 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TODAY...Southwest wind 10 to 15 knots rising to 15 to 20 knots late in the morning, then becoming southwest 15 to 20 knots with gusts to around 25 knots in the afternoon. Sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots veering northwest late in the evening, then becoming northwest 10 to 15 knots after midnight. Slight chance of thunderstorms through around midnight. Chance of showers through the night. Waves 1 to 2 feet. .TUESDAY...Northwest wind 5 to 10 knots veering east late in the afternoon. Partly sunny. Waves around 1 foot. .TUESDAY NIGHT...South wind 5 to 10 knots veering northwest early in the morning. Mostly cloudy through around midnight then becoming partly cloudy. Waves around 1 foot. $$ LMZ646-041600- Wind Point WI to Winthrop Harbor IL- 710 AM CDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TODAY...Southwest wind 10 to 15 knots becoming 10 to 20 knots late in the morning, then becoming 15 to 20 knots early in the afternoon becoming southwest 15 to 20 knots late in the afternoon. Sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .TONIGHT...Southwest wind 10 to 15 knots veering northwest late in the evening, then becoming northwest 10 to 15 knots after midnight easing to 5 to 10 knots early in the morning. Slight chance of thunderstorms through around midnight. Chance of showers through the night. Waves 1 to 2 feet. .TUESDAY...Northwest wind 5 to 10 knots veering east late in the afternoon. Slight chance of showers in the morning. Waves around 1 foot. .TUESDAY NIGHT...South wind 5 to 10 knots veering northwest early in the morning. Mostly cloudy through around midnight then becoming partly cloudy. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Wednesday through Friday.