For More Weather Information:

Green Bay, WI Local Forecast Office

20NM ESE Washington Island WI

Marine Point Forecast

[NOTICE]

Today
High: 39 °F
WNW 21kt
5ft
Tonight
Low: 33 °F
NW 9kt
< 1ft
Monday
High: 36 °F
⇑NNW 23kt
5ft
Monday Night
Low: 26 °F
NNW 24kt⇓
6ft
Tuesday
High: 36 °F
NNW 11kt
< 1ft
Tuesday Night
Low: 33 °F
S 16kt
1-3ft
Wednesday
High: 47 °F
S 23kt
9ft
Wednesday Night
Low: 40 °F
SSW 33kt
16ft
Thursday
High: 44 °F
WSW 19kt
10ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:31 am CDT Apr 5, 2026
Forecast Valid: 11am CDT Apr 5, 2026-6pm CDT Apr 11, 2026

View Nearby Observations

Detailed Forecast

Today

WNW wind 11 to 21 kt. Cloudy, then gradually becoming mostly sunny. Waves 5 ft subsiding to 2 ft.

Tonight

NW wind 7 to 9 kt. A slight chance of rain and snow showers before 1am, then a chance of rain showers after 4am. Waves 1 ft or less.

Monday

NNW wind 12 to 17 kt increasing to 18 to 23 kt in the afternoon. Winds could gust as high as 30 kt. A chance of snow showers. Waves 1 ft building to 5 ft.

Monday Night

NNW wind 19 to 24 kt decreasing to 13 to 18 kt after midnight. A slight chance of snow showers. Widespread freezing spray between 8pm and midnight. Waves 6 ft subsiding to 2 ft.

Tuesday

NNW wind 8 to 11 kt becoming SSW in the afternoon. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.

Tuesday Night

S wind 11 to 16 kt, with gusts as high as 23 kt. A slight chance of snow showers after 1am. Waves 1 to 3 ft.

Wednesday

S wind 18 to 23 kt, with gusts as high as 36 kt. A chance of rain and snow showers before 1pm, then a chance of rain showers. Waves 4 ft building to 9 ft.

Wednesday Night

S wind 25 to 33 kt becoming SW after midnight. Winds could gust as high as 42 kt. Showers. Waves 11 ft building to 16 ft.

Thursday

WSW wind 14 to 19 kt, with gusts as high as 25 kt. A chance of showers. Waves 10 ft subsiding to 3 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.