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Green Bay, WI Local Forecast Office

10NM SW Washington Island WI

Marine Point Forecast

[NOTICE]

Tonight
Low: 29 °F
SSW 12kt
< 1ft
Tuesday
High: 40 °F
SW 12kt
< 1ft
Tuesday Night
Low: 32 °F
S 7kt
< 1ft
Wednesday
High: 41 °F
S 8kt
< 1ft
Wednesday Night
Low: 34 °F
Light Wind
< 1ft
Thursday
High: 40 °F
N 11kt
< 1ft
Thursday Night
Low: 19 °F
N 12kt
< 1ft
Friday
High: 32 °F
NW 9kt
< 1ft
Friday Night
Low: 22 °F
W 7kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:42 pm CDT Mar 23, 2026
Forecast Valid: 8pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSW wind 7 to 12 kt, with gusts as high as 20 kt. A chance of snow, mainly after 5am. Waves 1 ft or less.

Tuesday

SW wind 6 to 12 kt, with gusts as high as 21 kt. A chance of snow, mainly before 7am. Waves 1 ft or less.

Tuesday Night

S wind 5 to 7 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday

S wind 6 to 8 kt. A slight chance of rain before 1pm. Waves 1 ft or less.

Wednesday Night

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

Thursday

WSW wind 5 to 11 kt becoming N in the afternoon. Winds could gust as high as 22 kt. A chance of rain before 1pm, then a chance of rain and snow. Waves 1 ft or less.

Thursday Night

N wind 10 to 12 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

Friday

NW wind 7 to 9 kt. Mostly sunny. Waves 1 ft or less.

Friday Night

NW wind 5 to 7 kt becoming W after midnight. Partly cloudy. 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.