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

Hourly forecast at zone center

Hourly wind and waves

Gusts peak near 30kts around 12:00 AM, with waves reaching 4.0ft around 12:00 AM.

Sunday, October 11

6:09 AM CDT

Wind Now

16ktsSSW

Gusts:23kts

Wind Now: 16 kts; gusts 23 kts. Use left and right arrows to inspect hours; Escape to reset.

Waves Now

2.6ftSSW

Period3s

Waves Now: 2.6 ft; period 3 seconds. Use left and right arrows to inspect hours; Escape to reset.

NOAA marine forecast

Text forecast

Updated 5:00am EDT Oct 11, 2026

Small Craft Advisory In Effect Until 8 Am Edt This Morning

Early This Morning

South wind 15 to 20 knots. Clear. Waves 2 to 4 feet.

Today

South wind 15 to 20 knots. Sunny. Waves subsiding to 2 to 3 feet.

Tonight

South wind 10 to 15 knots veering west less than 10 knots late. Gusts up to 22 knots. Mostly clear through late evening then becoming mostly cloudy. Waves subsiding to 1 to 2 feet.

Monday

Southeast wind less than 10 knots backing east in the afternoon. Cloudy. Waves calm to 1 foot.

Monday Night

Northeast wind 5 to 15 knots. Cloudy. A chance of showers and a slight chance of thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Waves 1 to 2 feet.

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Interactive Mapbox map highlighting marine forecast zone LMZ221.