FZUS53 KMKX 150810 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 310 AM CDT Wed Apr 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-152100- Sheboygan to Port Washington WI- 310 AM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .EARLY THIS MORNING...South wind 5 to 10 knots. Mostly cloudy with a 20 percent chance of showers. Areas of dense fog. Waves 1 to 2 feet. .TODAY...West wind 5 to 10 knots veering northeast in the afternoon. Areas of dense fog through the day. chance of showers through the day. Slight chance of thunderstorms in the late morning and early afternoon, then chance of thunderstorms late in the afternoon. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots. Patchy dense fog through around midnight. showers likely and a chance of thunderstorms through the night. Waves around 1 foot. .THURSDAY...North wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then becoming north 10 to 15 knots early in the afternoon easing to 5 to 10 knots late in the afternoon. Chance of showers and thunderstorms. Waves 1 to 2 feet. .THURSDAY NIGHT...North wind 5 to 10 knots backing southwest after midnight, then backing south early in the morning. Partly cloudy. Waves around 1 foot. $$ LMZ644-152100- Port Washington to North Point Light WI- 310 AM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .EARLY THIS MORNING...South wind 5 to 10 knots. Mostly cloudy with a 20 percent chance of showers. Patchy dense fog. Waves around 1 foot. .TODAY...Southwest wind 5 to 10 knots veering northwest early in the afternoon, then veering northeast late in the afternoon. Areas of dense fog in the morning. Patchy dense fog in the late morning and afternoon. chance of showers and slight chance of thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves around 1 foot. .TONIGHT...Northeast wind 5 to 10 knots veering east after midnight, then backing northeast early in the morning. Patchy dense fog through around midnight. showers and a chance of thunderstorms through the night. Waves around 1 foot. .THURSDAY...West wind 5 to 10 knots veering north in the afternoon. Rain showers likely and a chance of thunderstorms. Waves around 1 foot. .THURSDAY NIGHT...North wind 5 to 10 knots veering northeast late in the evening, then backing southwest after midnight backing southeast early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves around 1 foot. $$ LMZ645-152100- North Point Light to Wind Point WI- 310 AM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .EARLY THIS MORNING...South wind 5 to 10 knots rising to 10 to 15 knots early in the morning. Mostly cloudy with chance of showers and slight chance of thunderstorms. Patchy dense fog. Waves 1 to 2 feet. .TODAY...Southwest wind 10 to 15 knots easing to 5 to 10 knots late in the afternoon. Areas of dense fog in the morning. Patchy dense fog in the late morning and early afternoon. slight chance of thunderstorms in the morning. Rain showers likely through the day. Chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...North wind 5 to 10 knots veering southeast after midnight. Rain showers and a chance of thunderstorms. Waves around 1 foot. .THURSDAY...West wind 5 to 10 knots becoming north 10 to 15 knots in the late morning and early afternoon, then easing to 5 to 10 knots late in the afternoon. Rain showers likely and a chance of thunderstorms. Waves around 1 foot. .THURSDAY NIGHT...North wind 5 to 10 knots backing southwest after midnight, then backing south early in the morning. Mostly cloudy. Waves around 1 foot. $$ LMZ646-152100- Wind Point WI to Winthrop Harbor IL- 310 AM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .EARLY THIS MORNING...South wind 5 to 10 knots rising to 10 to 15 knots early in the morning. Mostly cloudy with chance of showers and slight chance of thunderstorms. Patchy dense fog. Waves 1 to 2 feet. .TODAY...Southwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 10 to 15 knots in the late morning and early afternoon, then becoming south 5 to 10 knots late in the afternoon. Areas of dense fog in the morning. Patchy dense fog early in the afternoon. slight chance of thunderstorms in the morning. Rain showers likely through the day. Chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...Southeast wind 5 to 10 knots veering south early in the morning. Rain showers and a chance of thunderstorms. Waves around 1 foot. .THURSDAY...Southwest wind 5 to 10 knots veering north late in the afternoon. Rain showers likely and a chance of thunderstorms. Waves around 1 foot. .THURSDAY NIGHT...North wind 5 to 10 knots backing southwest after midnight, then backing south early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Friday through Sunday.