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Green Bay, WI Local Forecast Office

2NM SW Washington Island WI

Marine Point Forecast

[NOTICE]

Tuesday
High: 39 °F
SSW 14kt
< 1ft

Small Craft Advisory
Tuesday Night
Low: 32 °F
SSE 8kt
< 1ft
Wednesday
High: 39 °F
S 8kt
< 1ft
Wednesday Night
Low: 35 °F
SSW 6kt
< 1ft
Thursday
High: 40 °F
N 13kt
< 1ft
Thursday Night
Low: 20 °F
N 16kt
< 1ft
Friday
High: 31 °F
N 9kt
< 1ft
Friday Night
Low: 22 °F
W 8kt
< 1ft
Saturday
High: 38 °F
W 12kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:31 am CDT Mar 24, 2026
Forecast Valid: 2am CDT Mar 24, 2026-6pm CDT Mar 30, 2026

View Nearby Observations

Detailed Forecast

Tuesday

SSW wind 6 to 14 kt becoming SSE in the afternoon. Winds could gust as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday Night

ESE wind 6 to 8 kt becoming S after midnight. Mostly cloudy. Waves 1 ft or less.

Wednesday

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

Wednesday Night

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

Thursday

W wind 6 to 13 kt becoming N in the afternoon. Winds could gust as high as 19 kt. A chance of rain before 4pm, then a slight chance of snow. Waves 1 ft or less.

Thursday Night

N wind 12 to 16 kt, with gusts as high as 24 kt. A slight chance of snow before 7pm. Waves 1 ft or less.

Friday

N wind 7 to 9 kt becoming WNW in the afternoon. Mostly sunny. Waves 1 ft or less.

Friday Night

NW wind 5 to 8 kt becoming WSW after midnight. Partly cloudy. Waves 1 ft or less.

Saturday

W wind 9 to 12 kt. 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.