Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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299 FZUS53 KMKX 201110 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 510 AM CST Thu Nov 20 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-201700- Sheboygan to Port Washington WI- 510 AM CST Thu Nov 20 2025 .TODAY...Southwest wind 10 to 15 knots. Slight chance of drizzle through the day. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots veering northwest early in the morning. Mostly cloudy. Waves around 1 foot. .FRIDAY...Northwest wind 10 to 15 knots. Mostly sunny. Waves around 1 foot. .FRIDAY NIGHT...North wind 5 to 10 knots. Partly cloudy. Waves around 1 foot. Wave heights are for ice free areas. $$ LMZ644-201700- Port Washington to North Point Light WI- 510 AM CST Thu Nov 20 2025 .TODAY...Southwest wind 5 to 10 knots rising to 10 to 15 knots in the late morning and early afternoon, then becoming southwest 10 to 15 knots late in the afternoon. Patchy fog in the morning. slight chance of drizzle through the day. Waves around 1 foot. .TONIGHT...Southwest wind 10 to 15 knots becoming west 5 to 10 knots in the late evening and early morning, then becoming northwest 10 to 15 knots early in the morning. Mostly cloudy. Waves around 1 foot. .FRIDAY...Northwest wind 10 to 15 knots easing to 5 to 10 knots early in the afternoon, then becoming north 10 to 15 knots late in the afternoon. Partly sunny. Waves around 1 foot. .FRIDAY NIGHT...North wind 10 to 15 knots easing to 5 to 10 knots in the late evening and early morning, then becoming north 5 to 10 knots early in the morning. Partly cloudy. Waves around 1 foot. Wave heights are for ice free areas. $$ LMZ645-201700- North Point Light to Wind Point WI- 510 AM CST Thu Nov 20 2025 .TODAY...Southwest wind 5 to 10 knots rising to 10 to 15 knots in the late morning and early afternoon, then becoming southwest 10 to 15 knots late in the afternoon. Patchy fog in the morning. slight chance of drizzle through the day. Waves around 1 foot. .TONIGHT...Southwest wind 5 to 10 knots becoming west 10 to 15 knots late in the evening, then easing to 5 to 10 knots after midnight becoming northwest 10 to 15 knots early in the morning. Slight chance of drizzle. Waves around 1 foot. .FRIDAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Partly sunny. Waves around 1 foot. .FRIDAY NIGHT...North wind 10 to 15 knots easing to 5 to 10 knots early in the morning. Mostly cloudy through around midnight then becoming partly cloudy. Waves 1 to 2 feet. Wave heights are for ice free areas. $$ LMZ646-201700- Wind Point WI to Winthrop Harbor IL- 510 AM CST Thu Nov 20 2025 .TODAY...Southwest wind 5 to 10 knots rising to 10 to 15 knots. Patchy fog in the morning. slight chance of drizzle in the morning. Slight chance of drizzle in the afternoon. Waves around 1 foot. .TONIGHT...Southwest wind 5 to 10 knots veering west late in the evening, then becoming west 5 to 10 knots after midnight becoming northwest 10 to 15 knots early in the morning. Slight chance of drizzle through the night. Waves around 1 foot. .FRIDAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Partly sunny. Waves around 1 foot. .FRIDAY NIGHT...North wind 10 to 15 knots easing to 5 to 10 knots early in the morning. Mostly cloudy through around midnight then becoming partly cloudy. Waves 1 to 2 feet. Wave heights are for ice free areas. $$ See Lake Michigan Open Waters Forecast for Saturday through Monday.