FZUS53 KMKX 190810 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 310 AM CDT Tue May 19 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-192100- Sheboygan to Port Washington WI- 310 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .EARLY THIS MORNING...South wind 10 to 20 knots rising to 15 to 25 knots early in the morning. Showers likely and scattered thunderstorms. Patchy fog. Waves 3 to 4 feet building to 4 to 6 feet early in the morning. .TODAY...South wind 15 to 25 knots veering southwest 15 to 20 knots late in the morning, then veering west early in the afternoon becoming west 15 to 20 knots late in the afternoon. Patchy fog in the morning. chance of showers and slight chance of thunderstorms in the morning, then slight chance of showers late in the morning. Chance of showers early in the afternoon. Waves 4 to 6 feet subsiding to 3 to 4 feet. .TONIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northwest 10 to 15 knots after midnight veering north early in the morning. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the afternoon. Mostly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and early morning, then building to 2 to 4 feet early in the morning. $$ LMZ644-192100- Port Washington to North Point Light WI- 310 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .EARLY THIS MORNING...South wind 15 to 20 knots becoming 15 to 25 knots early in the morning. Showers likely and scattered thunderstorms. Patchy fog. Waves 3 to 4 feet. .TODAY...Southwest wind 15 to 25 knots easing to 10 to 20 knots late in the morning, then veering west 15 to 20 knots in the afternoon. Chance of showers and slight chance of thunderstorms in the morning, then slight chance of showers late in the morning. Chance of showers early in the afternoon. Waves 3 to 5 feet subsiding to 1 to 2 feet. .TONIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then rising to 15 to 20 knots after midnight becoming north 10 to 15 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast in the afternoon. Mostly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .WEDNESDAY NIGHT...Northeast wind 10 to 15 knots rising to 15 to 20 knots early in the morning. Partly cloudy. Waves 2 to 4 feet. $$ LMZ645-192100- North Point Light to Wind Point WI- 310 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .EARLY THIS MORNING...South wind 15 to 20 knots becoming 15 to 25 knots early in the morning. Showers likely and scattered thunderstorms. Patchy fog. Waves 3 to 4 feet. .TODAY...Southwest wind 15 to 25 knots easing to 10 to 20 knots late in the morning, then veering west 15 to 20 knots in the afternoon. Chance of showers and slight chance of thunderstorms through the day. Waves 3 to 4 feet subsiding to 1 to 2 feet late in the afternoon. .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming northwest 10 to 15 knots late in the evening, then rising to 15 to 20 knots after midnight veering north early in the morning. Partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet early in the morning. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the morning, then rising to 15 to 20 knots early in the afternoon easing to 10 to 15 knots late in the afternoon. Mostly sunny. Waves 2to 4 feet. .WEDNESDAY NIGHT...Northeast wind 15 to 20 knots. Partly cloudy. Waves 3 to 4 feet. $$ LMZ646-192100- Wind Point WI to Winthrop Harbor IL- 310 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .EARLY THIS MORNING...South wind 15 to 20 knots. Showers likely and slight chance of thunderstorms. Patchy fog. Waves 3 to 4 feet. .TODAY...Southwest wind 15 to 20 knots becoming west 10 to 15 knots late in the afternoon. Gusts up to 30 knots decreasing to 20 knots late in the afternoon. Chance of showers and slight chance of thunderstorms through the day. Waves 3 to 4 feet subsiding to 1 to 2 feet late in the afternoon. .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast with gusts to around 20 knots in the afternoon. Mostly sunny. Waves 2 to 4 feet. .WEDNESDAY NIGHT...Northeast wind 15 to 20 knots. Partly cloudy. Waves 3 to 4 feet. $$ See Lake Michigan Open Waters Forecast for Thursday through Saturday.