Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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689 FZUS53 KMKX 181110 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 510 AM CST Tue Nov 18 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-181700- Sheboygan to Port Washington WI- 510 AM CST Tue Nov 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...East wind 10 to 20 knots becoming 15 to 20 knots late in the morning, then easing to 10 to 15 knots early in the afternoon becoming east 10 to 15 knots late in the afternoon. Rain in the morning. Slight chance of snow through the day. Chance of rain in the afternoon. Waves 2 to 4 feet. .TONIGHT...Northeast wind 10 to 15 knots easing to 5 to 10 knots after midnight. Mostly cloudy through around midnight then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. .WEDNESDAY...Northeast wind 5 to 10 knots veering southeast late in the afternoon. Partly sunny. Waves around 1 foot. .WEDNESDAY NIGHT...South wind 5 to 10 knots veering southwest early in the morning. Mostly cloudy. Waves around 1 foot. Wave heights are for ice free areas. $$ LMZ644-181700- Port Washington to North Point Light WI- 510 AM CST Tue Nov 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...East wind 15 to 20 knots. Rain in the morning, then rain likely early in the afternoon. Slight chance of rain late in the afternoon. Waves 3 to 4 feet. .TONIGHT...Northeast wind 10 to 15 knots. Mostly cloudy through around midnight then becoming partly cloudy. Waves 3 to 4 feet subsiding to 1 to 3 feet early in the morning. .WEDNESDAY...East wind 5 to 10 knots veering southeast late in the afternoon. Partly sunny. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Southeast wind 5 to 10 knots veering southwest early in the morning. Slight chance of rain through around midnight. Waves around 1 foot. Wave heights are for ice free areas. $$ LMZ645-181700- North Point Light to Wind Point WI- 510 AM CST Tue Nov 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...East wind 15 to 20 knots. Rain in the morning, then chance of rain in the afternoon. Waves 3 to 4 feet building to 4 to 6 feet in the late morning and afternoon. .TONIGHT...Northeast wind 15 to 20 knots easing to 10 to 15 knots in the late evening and overnight. Cloudy through around midnight then becoming partly cloudy. Waves 3 to 4 feet. .WEDNESDAY...East wind 5 to 10 knots veering southeast late in the afternoon. Mostly cloudy. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Southeast wind 5 to 10 knots veering southwest early in the morning. Slight chance of rain through around midnight. Waves around 1 foot. Wave heights are for ice free areas. $$ LMZ646-181700- Wind Point WI to Winthrop Harbor IL- 510 AM CST Tue Nov 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...East wind 15 to 20 knots becoming 10 to 20 knots late in the morning, then becoming 15 to 20 knots early in the afternoon becoming east 15 to 20 knots late in the afternoon. Rain in the morning, then chance of rain in the afternoon. Waves 3 to 4 feet building to 4 to 6 feet in the late morning and afternoon. .TONIGHT...Northeast wind 15 to 20 knots easing to 10 to 15 knots in the late evening and overnight. Slight chance of rain through around midnight. Waves 3 to 4 feet. .WEDNESDAY...East wind 10 to 15 knots easing to 5 to 10 knots late in the morning, then veering southeast early in the afternoon becoming southeast 5 to 10 knots late in the afternoon. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon. .WEDNESDAY NIGHT...Southeast wind 5 to 10 knots veering southwest early in the morning. Slight chance of rain through around midnight. Waves around 1 foot. Wave heights are for ice free areas. $$ See Lake Michigan Open Waters Forecast for Thursday through Saturday.