Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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867 FZUS53 KMKX 141010 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 510 AM CDT Mon Sep 14 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-141600- Sheboygan to Port Washington WI- 510 AM CDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH THIS EVENING... ...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH TUESDAY MORNING... .TODAY...Northeast wind 5 to 10 knots veering southeast 5 to 15 knots late in the morning, then rising to 15 to 20 knots early in the afternoon rising to up to 30 knots late in the afternoon. Sunny in the morning then becoming partly sunny. Waves around 1 foot building to 4 to 6 feet. .TONIGHT...South wind up to 30 knots rising to gales to 35 knots late in the evening, then becoming south gales to 35 knots after midnight easing to up to 30 knots early in the morning. Chance of showers through around midnight. Slight chance of thunderstorms through the night. Showers after midnight. Waves 8 to 10 feet. .TUESDAY...Southwest wind up to 30 knots easing to 15 to 25 knots late in the morning, then becoming 15 to 20 knots early in the afternoon becoming west 10 to 15 knots with gusts to around 20 knots late in the afternoon. Chance of showers and slight chance of thunderstorms in the morning. Waves 7 to 9 feet subsiding to 3 to 5 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots veering northeast early in the morning. Mostly cloudy through around midnight then becoming partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet early in the morning. $$ LMZ644-141600- Port Washington to North Point Light WI- 510 AM CDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH THIS EVENING... ...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH TUESDAY MORNING... .TODAY...Northeast wind 5 to 10 knots becoming southeast 10 to 15 knots late in the morning, then rising to 15 to 20 knots early in the afternoon rising to up to 30 knots late in the afternoon. Sunny in the morning then becoming partly sunny. Waves 1 to 2 feet building to 4 to 6 feet. .TONIGHT...South wind up to 30 knots becoming southwest 15 to 25 knots early in the morning. Gusts up to 35 knots. Slight chance of showers and thunderstorms through around midnight, then chance of showers and thunderstorms after midnight. Waves 5 to 7 feet building to 8 to 10 feet in the late evening and early morning, then subsiding to 6 to 8 feet early in the morning. .TUESDAY...Southwest wind 15 to 25 knots with gusts to around 30 knots becoming southwest 15 to 25 knots late in the morning, then easing to 10 to 20 knots early in the afternoon veering west 10 to 15 knots late in the afternoon. Chance of showers and slight chance of thunderstorms in the morning. Waves 4 to 6 feet subsiding to 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots becoming north 10 to 15 knots after midnight. Mostly cloudy. Waves around 1 foot. $$ LMZ645-141600- North Point Light to Wind Point WI- 510 AM CDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH TUESDAY MORNING... .TODAY...Northeast wind 5 to 10 knots becoming southeast 10 to 15 knots late in the morning, then rising to 15 to 20 knots early in the afternoon becoming 15 to 25 knots late in the afternoon. Sunny in the morning then becoming partly sunny. Waves 1 to 2 feet building to 3 to 4 feet in the late morning and afternoon. .TONIGHT...Southeast wind up to 30 knots veering southwest early in the morning. Slight chance of showers through around midnight, then chance of showers and thunderstorms after midnight. Waves 4 to 6 feet building to 6 to 8 feet late in the evening, then building to 7 to 9 feet after midnight subsiding to 5 to 7 feet early in the morning. .TUESDAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots late in the morning, then easing to 10 to 15 knots with gusts to around 20 knots early in the afternoon veering west late in the afternoon. Showers likely and slight chance of thunderstorms in the morning, then slight chance of showers in the afternoon. Waves 4 to 6 feet subsiding to 1 to 2 feet late in the afternoon. .TUESDAY NIGHT...West wind 5 to 10 knots veering north 5 to 15 knots late in the evening, then becoming 10 to 15 knots after midnight becoming north 10 to 15 knots early in the morning. Slight chance of showers after midnight. Waves around 1 foot building to 2 to 4 feet early in the morning. $$ LMZ646-141600- Wind Point WI to Winthrop Harbor IL- 510 AM CDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH TUESDAY MORNING... .TODAY...Northeast wind 5 to 10 knots becoming east 10 to 15 knots late in the morning, then becoming southeast 15 to 20 knots with gusts to around 25 knots in the afternoon. Sunny in the morning then becoming partly sunny. Waves around 1 foot building to 3 to 4 feet in the late morning and afternoon. .TONIGHT...Southeast wind 15 to 25 knots becoming south up to 30 knots in the late evening and early morning, then easing to 15 to 25 knots early in the morning. Showers likely and a chance of thunderstorms after midnight. Waves 4 to 6 feet building to 6 to 8 feet. .TUESDAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots late in the morning, then easing to 10 to 15 knots with gusts to around 20 knots early in the afternoon veering west late in the afternoon. Showers likely and a chance of thunderstorms in the morning, then slight chance of showers in the afternoon. Waves 4 to 6 feet subsiding to around 1 foot late in the afternoon. .TUESDAY NIGHT...West wind 5 to 10 knots veering north 5 to 15 knots late in the evening, then becoming 10 to 15 knots after midnight veering northeast early in the morning. Slight chance of showers through the night. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Wednesday through Friday.