Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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318 FZUS53 KMKX 180810 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 310 AM CDT Tue Aug 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-182100- Sheboygan to Port Washington WI- 310 AM CDT Tue Aug 18 2026 .EARLY THIS MORNING...Southwest wind 10 to 15 knots veering west early in the morning. Partly cloudy. Waves around 1 foot. .TODAY...West wind 10 to 15 knots backing southwest with gusts to around 20 knots in the late morning and afternoon. Slight chance of thunderstorms early in the afternoon. Chance of showers in the afternoon. Chance of thunderstorms late in the afternoon. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots veering north early in the morning. Chance of showers and slight chance of thunderstorms through around midnight. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 to 10 knots veering southeast late in the afternoon. Sunny. Waves around 1 foot. .WEDNESDAY NIGHT...South wind 5 to 10 knots veering west early in the morning. Mostly clear. Waves around 1 foot. $$ LMZ644-182100- Port Washington to North Point Light WI- 310 AM CDT Tue Aug 18 2026 .EARLY THIS MORNING...West wind 10 to 15 knots. Partly cloudy. Waves around 1 foot. .TODAY...Southwest wind 10 to 15 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Chance of showers and slight chance of thunderstorms in the afternoon. Waves around 1 foot. .TONIGHT...Southwest wind 10 to 15 knots veering west late in the evening, then veering northwest after midnight becoming north 5 to 10 knots early in the morning. Chance of showers and thunderstorms through around midnight. Waves around 1 foot. .WEDNESDAY...North wind 5 to 10 knots veering east late in the afternoon. Sunny. Waves around 1 foot. .WEDNESDAY NIGHT...Southeast wind 5 to 10 knots veering west early in the morning. Mostly clear. Waves around 1 foot. $$ LMZ645-182100- North Point Light to Wind Point WI- 310 AM CDT Tue Aug 18 2026 .EARLY THIS MORNING...Southwest wind 10 to 15 knots veering west early in the morning. Partly cloudy. Waves around 1 foot. .TODAY...Southwest wind 10 to 15 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Slight chance of thunderstorms early in the afternoon. Chance of showers in the afternoon. Chance of thunderstorms late in the afternoon. Waves around 1 foot. .TONIGHT...Southwest wind 10 to 15 knots veering north early in the morning. Chance of showers and thunderstorms through around midnight, then slight chance of showers and thunderstorms after midnight. Waves around 1 foot. .WEDNESDAY...North wind 10 to 15 knots easing to 5 to 10 knots late in the morning, then veering northeast early in the afternoon veering east late in the afternoon. Sunny. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Southeast wind 5 to 10 knots veering west early in the morning. Mostly clear. Waves around 1 foot. $$ LMZ646-182100- Wind Point WI to Winthrop Harbor IL- 310 AM CDT Tue Aug 18 2026 .EARLY THIS MORNING...Southwest wind 10 to 15 knots veering west early in the morning. Mostly clear. Waves around 1 foot. .TODAY...West wind 10 to 15 knots backing southwest with gusts to around 20 knots in the late morning and afternoon. Slight chance of showers and thunderstorms early in the afternoon. Chance of showers and thunderstorms late in the afternoon. Waves around 1 foot. .TONIGHT...Southwest wind 10 to 15 knots veering west late in the evening, then veering northwest after midnight easing to 5 to 10 knots early in the morning. Chance of showers and thunderstorms through around midnight, then slight chance of showers and thunderstorms after midnight. Waves around 1 foot. .WEDNESDAY...North wind 5 to 10 knots veering northeast late in the afternoon. Sunny. Waves around 1 foot. .WEDNESDAY NIGHT...East wind 5 to 10 knots veering southeast late in the evening, then veering south after midnight veering west early in the morning. Partly cloudy. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Thursday through Saturday.