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Green Bay, WI Local Forecast Office

5NM SSE Washington Island WI

Marine Point Forecast

[NOTICE]

Today
High: 40 °F
E 21kt⇓
5ft

Small Craft Advisory
Tonight
Low: 33 °F
W 19kt
2ft

Small Craft Advisory
Sunday
High: 40 °F
WNW 19kt⇓
< 1ft

Small Craft Advisory
Sunday Night
Low: 33 °F
WNW 7kt
< 1ft
Monday
High: 37 °F
NNW 18kt
< 1ft
Monday Night
Low: 25 °F
NNW 20kt
1-2ft
Tuesday
High: 36 °F
S 9kt
< 1ft
Tuesday Night
Low: 31 °F
S 21kt
5ft
Wednesday
High: 46 °F
S 28kt
11ft

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 am CDT Apr 4, 2026
Forecast Valid: 8am CDT Apr 4, 2026-6pm CDT Apr 10, 2026

View Nearby Observations

Detailed Forecast

Today

E wind 16 to 21 kt becoming SSW 7 to 12 kt in the afternoon. Winds could gust as high as 28 kt. Rain and possibly a thunderstorm before 1pm, then a chance of rain between 1pm and 2pm. Waves 5 ft subsiding to 2 ft.

Tonight

W wind 14 to 19 kt, with gusts as high as 28 kt. Mostly cloudy. Waves around 2 ft.

Sunday

WNW wind 14 to 19 kt decreasing to 7 to 12 kt in the afternoon. Winds could gust as high as 27 kt. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Sunday Night

WNW wind 5 to 7 kt. A slight chance of rain, mixing with snow after 10pm, then gradually ending. Waves 1 ft or less.

Monday

WNW wind 9 to 18 kt becoming NNW in the afternoon. Winds could gust as high as 25 kt. A chance of snow, mainly after 1pm. Waves 1 ft or less.

Monday Night

NNW wind 11 to 20 kt, with gusts as high as 26 kt. Mostly cloudy. Waves 1 to 2 ft.

Tuesday

NW wind 5 to 9 kt becoming S in the afternoon. Sunny. Waves 1 ft or less.

Tuesday Night

S wind 11 to 21 kt. A slight chance of snow. Waves 1 ft building to 5 ft.

Wednesday

S wind 25 to 28 kt, with gusts as high as 34 kt. A chance of rain and snow before 1pm, then a chance of rain. Waves 7 ft building to 11 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.