For More Weather Information:

21NM E Green Bay WI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 6:21 am CDT Sep 21, 2026
Forecast Valid: 8am CDT Sep 21, 2026-6pm CDT Sep 27, 2026

Today

NE wind around 14 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

Tonight

E wind 11 to 13 kt, with gusts as high as 19 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday

ENE wind 11 to 14 kt. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Tuesday Night

E wind 7 to 11 kt, with gusts as high as 18 kt. Mostly clear. Waves 1 ft or less.

Wednesday

E wind 8 to 10 kt. Sunny. Waves 1 ft or less.

Wednesday Night

NE wind 5 to 7 kt becoming ESE after midnight. Mostly clear. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming ESE 5 to 7 kt in the morning. Sunny. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Mostly 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.