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: 501 AM EDT Sat Mar 28 2026
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Early This Morning: West wind 10 to 15 knots. Mostly clear. Waves 1 to 2 feet.

Today: West wind 10 to 15 knots backing south 15 to 20 knots late. Mostly sunny through mid morning then becoming mostly cloudy. A slight chance of snow showers late. Waves building to 2 to 3 feet.

Tonight: South wind 15 to 20 knots veering southwest 10 to 20 knots by midnight. Mostly cloudy then becoming partly cloudy by midnight then becoming mostly cloudy. Waves building to 2 to 4 feet, then subsiding to 1 to 2 feet.

Sunday: Southwest wind less than 10 knots backing south in the afternoon. Partly cloudy. Waves 1 to 2 feet.

Sunday Night: South wind less than 10 knots veering northwest after midnight. Partly cloudy. 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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