Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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863 FZUS53 KMKX 100120 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 820 PM CDT Thu Oct 9 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-100400- Sheboygan to Port Washington WI- 820 PM CDT Thu Oct 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH LATE FRIDAY NIGHT... .TONIGHT...South wind 15 to 20 knots. Gusts up to 25 knots. Partly cloudy. Waves 3 to 4 feet building to 3 to 5 feet early in the morning. .FRIDAY...Southwest wind 15 to 25 knots veering west 15 to 20 knots late in the afternoon. Gusts up to 30 knots. Scattered showers in the morning. Waves 3 to 5 feet building to 4 to 6 feet late in the morning, then subsiding to 3 to 5 feet early in the afternoon subsiding to 3 to 4 feet late in the afternoon. .FRIDAY NIGHT...Northwest wind 15 to 20 knots. Slight chance of showers. Waves 2 to 4 feet. .SATURDAY...North wind 15 to 20 knots easing to 10 to 15 knots early in the afternoon, then veering northeast late in the afternoon. Partly sunny. Waves 2 to 4 feet. Wave heights are for ice free areas. $$ LMZ644-100400- Port Washington to North Point Light WI- 820 PM CDT Thu Oct 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH FRIDAY EVENING... .TONIGHT...South wind 10 to 15 knots becoming 10 to 20 knots after midnight, then becoming 15 to 20 knots early in the morning. Clear through around midnight then becoming partly cloudy. Waves 3 to 4 feet. .FRIDAY...Southwest wind 15 to 20 knots becoming 10 to 20 knots early in the afternoon, then veering west 15 to 20 knots late in the afternoon. Gusts up to 25 knots. Scattered showers in the morning. Waves 3 to 4 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots becoming north 10 to 15 knots early in the morning. Slight chance of showers through around midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning. .SATURDAY...North wind 10 to 15 knots veering northeast late in the afternoon. Mostly sunny. Waves 1 to 2 feet building to 3 to 4 feet in the late morning and afternoon. Wave heights are for ice free areas. $$ LMZ645-100400- North Point Light to Wind Point WI- 820 PM CDT Thu Oct 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH FRIDAY EVENING... .TONIGHT...Southeast wind 10 to 15 knots veering south late in the evening, then becoming 10 to 20 knots after midnight becoming 15 to 20 knots early in the morning. Clear through around midnight then becoming partly cloudy. Waves 1 to 3 feet building to 3 to 4 feet after midnight. .FRIDAY...Southwest wind 15 to 20 knots becoming 10 to 20 knots early in the afternoon, then becoming 15 to 20 knots late in the afternoon. Gusts up to 25 knots. Scattered showers in the morning. Waves 3 to 4 feet. .FRIDAY NIGHT...Northwest wind 15 to 20 knots veering north 10 to 20 knots early in the morning. Slight chance of showers through around midnight. Waves 3 to 4 feet. .SATURDAY...North wind 15 to 20 knots easing to 10 to 15 knots early in the afternoon, then veering northeast late in the afternoon. Mostly sunny. Waves 3 to 4 feet. Wave heights are for ice free areas. $$ LMZ646-100400- Wind Point WI to Winthrop Harbor IL- 820 PM CDT Thu Oct 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT FRIDAY THROUGH FRIDAY EVENING... .TONIGHT...Southeast wind 10 to 15 knots veering south late in the evening, then becoming south 10 to 15 knots after midnight rising to 15 to 20 knots early in the morning. Clear through around midnight then becoming partly cloudy. Waves 1 to 2 feet building to 3 to 4 feet after midnight. .FRIDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots. Isolated showers. Waves 3 to 4 feet. .FRIDAY NIGHT...West wind 10 to 20 knots veering north 15 to 20 knots in the late evening and early morning, then easing to 10 to 15 knots early in the morning. Slight chance of showers. Waves 1 to 2 feet building to 2 to 4 feet in the late evening and overnight. .SATURDAY...North wind 10 to 15 knots. Mostly sunny. Waves 3 to 4 feet. Wave heights are for ice free areas. $$ See Lake Michigan Open Waters Forecast for Sunday through Tuesday.