FZUS53 KMKX 211210 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 710 AM CDT Mon Sep 21 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-211600- Sheboygan to Port Washington WI- 710 AM CDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING... .TODAY...East wind 15 to 25 knots backing northeast late in the morning, then easing to 10 to 20 knots early in the afternoon becoming northeast 10 to 20 knots late in the afternoon. Mostly cloudy. Waves 6 to 8 feet subsiding to 5 to 7 feet in the afternoon. .TONIGHT...Northeast wind 15 to 25 knots easing to 10 to 20 knots late in the evening, then veering east after midnight. Mostly cloudy. Waves 5 to 7 feet. .TUESDAY...East wind 10 to 20 knots backing northeast late in the afternoon. Gusts up to 25 knots. Partly sunny. Waves 4 to 6 feet. .TUESDAY NIGHT...Northeast wind 15 to 25 knots veering east late in the evening, then becoming 15 to 20 knots after midnight becoming east 15 to 20 knots early in the morning. Mostly clear. Waves 4 to 6 feet building to 5 to 7 feet in the late evening and early morning, then subsiding to 4 to 6 feet early in the morning. $$ LMZ644-211600- Port Washington to North Point Light WI- 710 AM CDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING... .TODAY...East wind 15 to 25 knots becoming northeast 10 to 20 knots in the afternoon. Cloudy. Waves 6 to 8 feet subsiding to 5 to 7 feet late in the afternoon. .TONIGHT...Northeast wind 10 to 20 knots becoming east 15 to 25 knots in the late evening and early morning, then easing to 10 to 20 knots early in the morning. Mostly cloudy. Waves 5 to 7 feet. .TUESDAY...East wind 10 to 20 knots rising to 15 to 25 knots late in the morning, then becoming northeast 10 to 20 knots in the afternoon. Partly sunny. Waves 5 to 7 feet subsiding to 4 to 6 feet late in the afternoon. .TUESDAY NIGHT...Northeast wind 10 to 20 knots becoming east 15 to 25 knots in the late evening and early morning, then becoming 15 to 20 knots early in the morning. Partly cloudy. Waves 4 to 6 feet building to 5 to 7 feet late in the evening, then building to 6 to 8 feet after midnight subsiding to 5 to 7 feet early in the morning. $$ LMZ645-211600- North Point Light to Wind Point WI- 710 AM CDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING... .TODAY...East wind 15 to 25 knots backing northeast early in the afternoon, then easing to 10 to 20 knots late in the afternoon. Cloudy. Waves 6 to 8 feet subsiding to 5 to 7 feet late in the afternoon. .TONIGHT...Northeast wind 15 to 25 knots veering east in the late evening and early morning, then easing to 10 to 20 knots early in the morning. Mostly cloudy. Waves 5 to 7 feet. .TUESDAY...East wind 15 to 25 knots backing northeast early in the afternoon, then easing to 10 to 20 knots late in the afternoon. Partly sunny. Waves 5 to 7 feet. .TUESDAY NIGHT...Northeast wind 15 to 25 knots veering east in the late evening and early morning, then easing to 10 to 20 knots early in the morning. Partly cloudy. Waves 5 to 7 feet building to 6 to 8 feet in the late evening and early morning, then subsiding to 5 to 7 feet early in the morning. $$ LMZ646-211600- Wind Point WI to Winthrop Harbor IL- 710 AM CDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING... .TODAY...East wind 15 to 25 knots backing northeast early in the afternoon, then easing to 10 to 20 knots late in the afternoon. Scattered sprinkles in the morning. Waves 6 to 8 feet subsiding to 5 to 7 feet late in the afternoon. .TONIGHT...Northeast wind 15 to 25 knots veering east in the late evening and early morning, then easing to 10 to 20 knots early in the morning. Mostly cloudy. Waves 5 to 7 feet building to 6 to 8 feet after midnight. .TUESDAY...East wind 15 to 25 knots backing northeast in the late morning and early afternoon, then easing to 10 to 20 knots late in the afternoon. Partly sunny. Waves 5 to 7 feet. .TUESDAY NIGHT...Northeast wind 15 to 25 knots veering east late in the evening, then becoming east 15 to 25 knots after midnight easing to 10 to 20 knots early in the morning. Partly cloudy. Waves 5 to 7 feet building to 6 to 8 feet in the late evening and early morning, then subsiding to 5 to 7 feet early in the morning. $$ See Lake Michigan Open Waters Forecast for Wednesday through Friday.