Coastal Waters Forecast for Green Bay North of line from Cedar River MI to Rock Island Passage (LMZ221) (Text-Only)
NWS Forecast for: Green Bay North of line from Cedar River MI to Rock Island Passage (LMZ221)
Issued by: National Weather Service Marquette, MI
Last Update: 503 PM EDT Sat Aug 22 2026




Late This Afternoon: North wind 15 to 20 knots. Partly cloudy with scattered showers and isolated thunderstorms. Waves 1 to 2 feet building to 2 to 3 feet.

Tonight: Northwest wind 15 to 20 knots. Clear. Waves building to 2 to 4 feet.

Sunday: North wind 15 to 20 knots with gusts up to 28 knots. Partly cloudy. Waves 2 to 4 feet.

Sunday Night: North wind 10 to 20 knots backing northwest 10 to 15 knots after midnight. Clear. Waves subsiding to 1 to 2 feet.

Monday: Northwest wind 5 to 15 knots. Sunny. Waves 1 to 2 feet.







Zone Forecast: Green Bay North of line from Cedar River MI to Rock Island Passage (LMZ221)

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