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Green Bay, WI Local Forecast Office

7NM SW Washington Island WI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SSW wind 9 to 12 kt, with gusts as high as 19 kt. A chance of snow, mainly between 3am and 4am.   Waves 1 ft or less.

      Low: 30 °F

      SSW 12kt
      < 1ft

    • Tuesday

      Tuesday:WSW wind 5 to 11 kt, with gusts as high as 19 kt. Mostly cloudy. Waves 1 ft or less.

      High: 39 °F

      WSW 11kt
      < 1ft

    • Tuesday Night

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

      Low: 32 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:S wind around 7 kt. Mostly cloudy. Waves 1 ft or less.

      High: 40 °F

      S 7kt
      < 1ft

    • Wednesday Night

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

      Low: 34 °F

      Light Wind
      < 1ft

    • Thursday

      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.

      High: 40 °F

      N 11kt
      < 1ft

    • Thursday Night

      Thursday Night:N wind 10 to 12 kt, with gusts as high as 21 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 19 °F

      N 12kt
      < 1ft

    • Friday

      Friday:N wind 7 to 9 kt. Mostly sunny. Waves 1 ft or less.

      High: 32 °F

      N 9kt
      < 1ft

    • Friday Night

      Friday Night:NNW wind 5 to 7 kt becoming W after midnight. Partly cloudy. Waves 1 ft or less.

      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: 10:46 pm CDT Mar 23, 2026
Forecast Valid: 10pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026

View Nearby Observations

Detailed Forecast

Tonight
SSW wind 9 to 12 kt, with gusts as high as 19 kt. A chance of snow, mainly between 3am and 4am. Waves 1 ft or less.
Tuesday
WSW wind 5 to 11 kt, with gusts as high as 19 kt. Mostly cloudy. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Wednesday
S wind around 7 kt. Mostly cloudy. 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 21 kt. Mostly cloudy. Waves 1 ft or less.
Friday
N wind 7 to 9 kt. Mostly sunny. Waves 1 ft or less.
Friday Night
NNW wind 5 to 7 kt becoming W after midnight. Partly cloudy. Waves 1 ft or less.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 45.29°N 87.02°W
Last Update: 10:46 pm CDT Mar 23, 2026
Forecast Valid: 10pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026
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