Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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803 FZUS53 KMKX 312205 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 505 PM CDT Thu Jul 31 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-010400- Sheboygan to Port Washington WI- 505 PM CDT Thu Jul 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .TONIGHT...Northeast wind 15 to 25 knots becoming 15 to 20 knots late in the evening, then becoming northeast 15 to 20 knots after midnight easing to 10 to 15 knots early in the morning. Patchy smoke. Waves 5 to 7 feet subsiding to 4 to 6 feet in the late evening and early morning, then subsiding to 3 to 4 feet early in the morning. .FRIDAY...North wind 10 to 15 knots veering northeast late in the afternoon. Areas of smoke. Waves 2 to 4 feet. .FRIDAY NIGHT...Northeast wind 5 to 15 knots backing north 5 to 10 knots in the late evening and early morning, then backing northwest early in the morning. Areas of smoke through around midnight, then patchy smoke after midnight. Waves around 1 foot. .SATURDAY...Northwest wind 5 to 10 knots veering north late in the morning, then veering southeast early in the afternoon becoming southeast 5 to 10 knots late in the afternoon. Sunny. Waves around 1 foot. $$ LMZ644-010400- Port Washington to North Point Light WI- 505 PM CDT Thu Jul 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TONIGHT...North wind 15 to 25 knots veering northeast late in the evening, then becoming 15 to 20 knots after midnight easing to 10 to 15 knots early in the morning. Areas of smoke in the evening, then patchy smoke in the late evening and overnight. Waves 5 to 7 feet subsiding to 4 to 6 feet early in the morning. .FRIDAY...Northeast wind 10 to 15 knots. Areas of smoke. Waves 3 to 4 feet. .FRIDAY NIGHT...Northeast wind 10 to 15 knots easing to 5 to 10 knots late in the evening, then backing north after midnight becoming north 5 to 10 knots early in the morning. Areas of smoke through around midnight, then patchy smoke after midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. .SATURDAY...North wind 5 to 10 knots veering southeast late in the afternoon. Sunny. Waves around 1 foot. $$ LMZ645-010400- North Point Light to Wind Point WI- 505 PM CDT Thu Jul 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TONIGHT...North wind 15 to 25 knots veering northeast late in the evening, then becoming 15 to 20 knots after midnight easing to 10 to 15 knots early in the morning. Areas of smoke in the evening, then patchy smoke in the late evening and early morning. Areas of smoke early in the morning. slight chance of showers after midnight. Waves 6 to 8 feet subsiding to 5 to 7 feet after midnight, then subsiding to 4 to 6 feet early in the morning. .FRIDAY...Northeast wind 10 to 15 knots rising to 15 to 20 knots late in the afternoon. Areas of smoke. Waves 3 to 4 feet. .FRIDAY NIGHT...Northeast wind 10 to 15 knots easing to 5 to 10 knots in the late evening and early morning, then backing north early in the morning. Areas of smoke through around midnight, then patchy smoke after midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SATURDAY...North wind 5 to 10 knots veering east late in the afternoon. Sunny. Waves around 1 foot. $$ LMZ646-010400- Wind Point WI to Winthrop Harbor IL- 505 PM CDT Thu Jul 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TONIGHT...North wind 15 to 25 knots veering northeast late in the evening, then becoming 15 to 20 knots after midnight veering east 10 to 20 knots early in the morning. Areas of smoke in the evening, then patchy smoke late in the evening. Areas of smoke after midnight. slight chance of showers after midnight. Waves 5 to 7 feet building to 6 to 8 feet late in the evening, then subsiding to 5 to 7 feet after midnight subsiding to 4 to 6 feet early in the morning. .FRIDAY...Northeast wind 10 to 15 knots rising to 15 to 20 knots late in the afternoon. Areas of smoke. Waves 3 to 4 feet. .FRIDAY NIGHT...North wind 10 to 15 knots becoming northeast 5 to 10 knots in the late evening and overnight. Areas of smoke through around midnight, then patchy smoke after midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SATURDAY...North wind 5 to 10 knots veering east late in the afternoon. Mostly sunny. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Sunday through Tuesday.