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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: 12:56 am CST Nov 6, 2026
Forecast Valid: 1am CST Nov 6, 2026-6pm CST Nov 12, 2026

Friday

NNW wind 10 to 17 kt. A chance of showers before 9am, then a chance of sprinkles between 9am and 10am. Waves 1 ft or less.

Friday Night

NNW wind 6 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

NW wind 5 to 7 kt becoming WSW in the afternoon. Mostly sunny. Waves 1 ft or less.

Saturday Night

WSW wind 6 to 12 kt. Partly cloudy. Waves 1 ft or less.

Sunday

WNW wind 8 to 14 kt. Sunny. Waves 1 ft or less.

Sunday Night

WNW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.

Monday

Variable winds less than 5 kt becoming SSW 6 to 11 kt in the morning. Mostly sunny. Waves 1 ft or less.

Monday Night

SW wind 8 to 10 kt becoming W after midnight. Partly cloudy. Waves 1 ft or less.

Tuesday

W wind 7 to 10 kt. Sunny. 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.