Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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042 FZUS53 KMKX 210405 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 1105 PM CDT Wed Aug 20 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-211000- Sheboygan to Port Washington WI- 1105 PM CDT Wed Aug 20 2025 .REST OF TONIGHT...Northeast wind 10 to 15 knots. Mostly clear. Waves 2 to 4 feet. .THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming north late in the evening, then backing northwest after midnight backing west early in the morning. Mostly clear. Waves around 1 foot. .FRIDAY...West wind 5 to 10 knots backing south late in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ644-211000- Port Washington to North Point Light WI- 1105 PM CDT Wed Aug 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT THURSDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots. Mostly clear. Waves 3 to 4 feet. .THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon. .THURSDAY NIGHT...Northeast wind 5 to 10 knots backing north late in the evening, then easing to 5 knots after midnight backing northwest early in the morning. Mostly clear. Waves around 1 foot. .FRIDAY...West wind 5 knots rising to 5 to 10 knots late in the morning, then backing southwest early in the afternoon backing south late in the afternoon. Mostly sunny. Waves nearly calm. $$ LMZ645-211000- North Point Light to Wind Point WI- 1105 PM CDT Wed Aug 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT THURSDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northeast 10 to 15 knots early in the morning. Mostly clear. Waves 3 to 4 feet. .THURSDAY...Northeast wind 10 to 15 knots easing to 5 to 10 knots late in the morning, then becoming northeast 5 to 10 knots early in the afternoon rising to 10 to 15 knots late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. .THURSDAY NIGHT...North wind 5 to 10 knots easing to 5 knots early in the morning. Mostly clear. Waves around 1 foot. .FRIDAY...Northwest wind 5 knots becoming west late in the morning, then backing south early in the afternoon becoming south 5 to 10 knots late in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ646-211000- Wind Point WI to Winthrop Harbor IL- 1105 PM CDT Wed Aug 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT THURSDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots veering east early in the morning. Mostly clear. Waves 3 to 4 feet. .THURSDAY...Northeast wind 10 to 15 knots easing to 5 to 10 knots early in the afternoon, then rising to 10 to 15 knots late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .THURSDAY NIGHT...North wind 10 to 15 knots easing to 5 to 10 knots late in the evening, then veering northeast after midnight becoming north early in the morning. Mostly clear. Waves 1 to 2 feet. .FRIDAY...Northwest wind 5 knots veering southeast early in the afternoon, then rising to 5 to 10 knots late in the afternoon. Mostly sunny. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Saturday through Monday.