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Green Bay, WI Local Forecast Office

10NM SSW Washington Island WI

Marine Point Forecast

[NOTICE]

Tonight
Low: 32 °F
SE 8kt
1ft
Wednesday
High: 41 °F
S 10kt
1-2ft
Wednesday Night
Low: 38 °F
SSW 6kt
1-2ft
Thursday
High: 38 °F
N 15kt
1ft
Thursday Night
Low: 21 °F
N 17kt
1ft
Friday
High: 32 °F
N 10kt
< 1ft
Friday Night
Low: 24 °F
W 9kt
< 1ft
Saturday
High: 38 °F
W 12kt
< 1ft
Saturday Night
Low: 29 °F
ESE 10kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:37 pm CDT Mar 24, 2026
Forecast Valid: 8pm CDT Mar 24, 2026-6pm CDT Mar 31, 2026

View Nearby Observations

Detailed Forecast

Tonight

SE wind 6 to 8 kt. Mostly cloudy. Waves around 1 ft.

Wednesday

S wind 8 to 10 kt, with gusts as high as 18 kt. Mostly cloudy. Waves 1 to 2 ft.

Wednesday Night

SSW wind around 6 kt. Mostly cloudy. Waves 1 to 2 ft.

Thursday

WNW wind 6 to 15 kt becoming N in the morning. Winds could gust as high as 22 kt. A chance of rain before 4pm, then a chance of snow. Waves around 1 ft.

Thursday Night

N wind 12 to 17 kt, with gusts as high as 27 kt. A chance of snow before 7pm. Waves around 1 ft.

Friday

N wind 7 to 10 kt becoming W in the afternoon. Partly sunny. Waves 1 ft or less.

Friday Night

W wind 6 to 9 kt. Partly cloudy. Waves 1 ft or less.

Saturday

W wind 9 to 12 kt. Mostly sunny. Waves 1 ft or less.

Saturday Night

SSW wind 7 to 10 kt becoming ESE in the evening. Partly cloudy. Waves 1 to 2 ft.

*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.