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21NM E Green Bay WI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 8:01 pm CDT Mar 23, 2026
Forecast Valid: 8pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026

Tonight

SSW wind 9 to 11 kt, with gusts as high as 19 kt. A slight chance of snow after 5am. Waves 1 ft or less.

Tuesday

SW wind 6 to 12 kt, with gusts as high as 19 kt. A slight chance of snow before 9am. Waves 1 ft or less.

Tuesday Night

S wind 6 to 8 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday

S wind 7 to 9 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday Night

S wind around 6 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

WSW wind 6 to 10 kt becoming N in the afternoon. Winds could gust as high as 20 kt. A chance of rain. Waves 1 ft or less.

Thursday Night

N wind 13 to 16 kt, with gusts as high as 24 kt. Mostly cloudy. Waves 1 ft or less.

Friday

N wind 7 to 13 kt. Mostly sunny. Waves 1 ft or less.

Friday Night

W wind 6 to 9 kt. Mostly clear. Waves 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.