736 FZUS53 KMKX 230010 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 710 PM CDT Sat Aug 22 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-230400- Sheboygan to Port Washington WI- 710 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 5 to 15 knots becoming 5 to 10 knots late in the evening, then becoming northwest 10 to 15 knots after midnight. Chance of showers and thunderstorms in the evening. slight chance of waterspouts through the night. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 10 to 15 knots becoming 5 to 15 knots after midnight, then becoming 5 to 10 knots early in the morning. Mostly clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 10 to 15 knots veering north late in the morning, then becoming northeast 5 to 10 knots early in the afternoon veering east late in the afternoon. Sunny. Waves 1 to 2 feet. $$ LMZ644-230400- Port Washington to North Point Light WI- 710 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 5 to 10 knots rising to 10 to 15 knots after midnight, then backing northwest early in the morning. Slight chance of showers and thunderstorms in the evening. slight chance of waterspouts through the night. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Sunny in the morning then becoming partly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 10 to 15 knots easing to 5 to 10 knots in the late evening and early morning, then becoming north 5 to 10 knots early in the morning. Mostly clear. Waves 1 to 2 feet. .MONDAY...North wind 5 to 10 knots veering east late in the afternoon. Sunny. Waves 1 to 2 feet. $$ LMZ645-230400- North Point Light to Wind Point WI- 710 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 5 to 10 knots rising to 10 to 15 knots after midnight, then backing northwest early in the morning. Slight chance of showers and thunderstorms in the evening. slight chance of waterspouts through the night. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Slight chance of waterspouts in the morning. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 10 to 15 knots easing to 5 to 10 knots late in the evening, then veering northeast after midnight backing north early in the morning. Mostly clear. Waves 1 to 3 feet. .MONDAY...North wind 5 to 10 knots veering east late in the afternoon. Sunny. Waves 1 to 2 feet. $$ LMZ646-230400- Wind Point WI to Winthrop Harbor IL- 710 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 10 knots becoming 5 to 10 knots late in the evening, then rising to 10 to 15 knots after midnight backing northwest early in the morning. Slight chance of showers and thunderstorms in the evening. slight chance of waterspouts through the night. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 15 knots. Slight chance of waterspouts in the morning. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 5 to 10 knots backing northwest early in the morning. Mostly clear. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots veering northeast late in the afternoon. Sunny. Waves 1 to 2 feet. $$ See Lake Michigan Open Waters Forecast for Tuesday through Thursday.  041 FZUS53 KGRB 230053 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 753 PM CDT Sat Aug 22 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-230400- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 753 PM CDT Sat Aug 22 2026 .TONIGHT...NE wind 10 to 15 kts backing NW in the late evening and overnight. Waves 1 to 3 ft. Clear. .SUNDAY...N wind 10 to 15 kts. Waves 2 to 4 ft. Sunny in the morning then becoming partly cloudy. .SUNDAY NIGHT...N wind 10 to 15 kts backing NW 5 to 10 kts after midnight. Waves 1 to 3 ft. Clear. .MONDAY...NW wind 5 to 10 kts. Waves 2 ft or less. Sunny. $$ LMZ521-230400- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 753 PM CDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...N wind 10 to 20 kts. Waves 1 to 3 ft building to 3 to 5 ft after midnight. Mostly clear. .SUNDAY...N wind 15 to 25 kts decreasing to 10 to 15 kts early in the afternoon. Waves 3 to 5 ft. Mostly sunny in the morning then becoming partly cloudy. .SUNDAY NIGHT...N wind 10 to 15 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Clear. .MONDAY...NW wind 5 to 10 kts. Waves 2 ft or less. Sunny. $$ LMZ542-543-230400- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 753 PM CDT Sat Aug 22 2026 .TONIGHT...N wind 10 to 15 kts backing NW after midnight. Waves 2 ft or less. A slight chance of showers in the evening. .SUNDAY...NW wind 15 to 25 kts veering N 10 to 15 kts early in the afternoon. Waves 1 to 3 ft. Sunny in the morning then becoming partly cloudy. A Small Craft Advisory may be needed. .SUNDAY NIGHT...N wind 10 to 15 kts backing NW 5 to 10 kts after midnight. Waves 2 ft or less. Mostly clear. .MONDAY...NW wind 10 to 15 kts veering E 5 to 10 kts early in the afternoon. Waves 2 ft or less. Sunny. $$ LMZ541-230400- Rock Island Passage to Sturgeon Bay WI- 753 PM CDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...N wind 10 to 15 kts backing NW 15 to 25 kts in the late evening and overnight. Waves 2 to 4 ft. Mostly clear. .SUNDAY...N wind 15 to 25 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. Mostly sunny in the morning then becoming partly cloudy. .SUNDAY NIGHT...N wind 10 to 15 kts. Waves 1 to 3 ft. Clear. .MONDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Sunny. $$ See Lake Michigan Open Lake Forecast for Tuesday through Thursday.