Chart / Forecasts

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

LMZ521 · Nearshore Marine Forecast · National Weather Service Green Bay WI · Issued 306 PM CDT Sat Oct 3 2026
Small Craft Advisory In Effect From 10 PM CDT This Evening Through Sunday Morning
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Forecast
Late This Afternoon
S wind 15 to 25 kts. Waves 2 to 4 ft. A slight chance of showers.
Tonight
S wind 15 to 25 kts veering SW after midnight. Waves 3 to 5 ft. A chance of showers.
Sunday
NW wind 10 to 20 kts. Waves 2 to 4 ft. Partly cloudy in the morning then clearing.
Sunday Night
NW wind 10 to 15 kts. Waves 1 to 3 ft. Clear.
Monday
NW wind 5 to 10 kts backing SW early in the afternoon. Waves 2 ft or less. Sunny.
Source: National Weather Service Nearshore Marine Forecast (NSH), issued 306 PM CDT Sat Oct 3 2026, valid until Sun, 04 Oct 2026 04:00 UTC. Original text · All zones