Chart / Forecasts

Green Bay North of line from Cedar River MI to Rock Island Passage

LMZ221 · Nearshore Marine Forecast · National Weather Service Marquette MI · Issued 502 PM EDT Sat Oct 3 2026
Small Craft Advisory In Effect Through Sunday Morning
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Forecast
Late This Afternoon
South wind 15 to 20 knots. Cloudy with a slight chance of showers. Waves 2 to 3 feet.
Tonight
South wind 15 to 20 knots veering southwest 15 to 25 knots late. Cloudy with a chance of showers. Waves building to 3 to 6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet.
Sunday
West wind 15 to 20 knots veering northwest by late morning. Partly cloudy through early afternoon then clearing. Waves subsiding to 2 to 3 feet.
Sunday Night
Northwest wind 15 to 20 knots. Clear. Waves building to 2 to 4 feet, then subsiding to 1 to 2 feet.
Monday
Northwest wind 5 to 15 knots. Sunny. Waves 1 to 2 feet.
Source: National Weather Service Nearshore Marine Forecast (NSH), issued 502 PM EDT Sat Oct 3 2026, valid until Sun, 04 Oct 2026 08:00 UTC. Original text · All zones