Hazardous Weather Conditions

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Green Bay, WI Local Forecast Office

4NM ENE Washington Island WI

Marine Point Forecast

[NOTICE]
    • Today

      Today:SE wind around 10 kt. A slight chance of showers after 2pm.   Waves 1 ft or less.

      High: 65 °F

      SE 10kt
      < 1ft

    • Tonight

      Tonight:E wind 7 to 9 kt becoming NNE after midnight. A slight chance of showers before 10pm.   Waves 1 ft or less.

      Low: 53 °F

      NNE 9kt
      < 1ft

    • Sunday

      Sunday:NNE wind around 13 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

      High: 66 °F

      NNE 13kt
      < 1ft

    • Sunday Night

      Sunday Night:NNE wind 10 to 13 kt, with gusts as high as 24 kt. Increasing clouds. Waves 1 ft or less.

      Low: 50 °F

      NNE 13kt
      < 1ft

    • Monday

      Monday:ENE wind around 11 kt. Mostly cloudy. Waves 1 ft or less.

      High: 63 °F

      ENE 11kt
      < 1ft

    • Monday Night

      Monday Night:E wind 7 to 10 kt. Partly cloudy. Waves 1 ft or less.

      Low: 51 °F

      E 10kt
      < 1ft

    • Tuesday

      Tuesday:ENE wind 9 to 11 kt, with gusts as high as 18 kt. Mostly sunny. Waves 1 ft or less.

      High: 64 °F

      ENE 11kt
      < 1ft

    • Tuesday Night

      Tuesday Night:E wind 8 to 13 kt, with gusts as high as 20 kt. Mostly clear. Waves 1 ft or less.

      Low: 51 °F

      E 13kt
      < 1ft

    • Wednesday

      Wednesday:E wind 9 to 11 kt. Sunny. Waves 1 ft or less.

      High: 65 °F

      E 11kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:56 am CDT Sep 19, 2026
Forecast Valid: 8am CDT Sep 19, 2026-6pm CDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

Today
SE wind around 10 kt. A slight chance of showers after 2pm. Waves 1 ft or less.
Tonight
E wind 7 to 9 kt becoming NNE after midnight. A slight chance of showers before 10pm. Waves 1 ft or less.
Sunday
NNE wind around 13 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.
Sunday Night
NNE wind 10 to 13 kt, with gusts as high as 24 kt. Increasing clouds. Waves 1 ft or less.
Monday
ENE wind around 11 kt. Mostly cloudy. Waves 1 ft or less.
Monday Night
E wind 7 to 10 kt. Partly cloudy. Waves 1 ft or less.
Tuesday
ENE wind 9 to 11 kt, with gusts as high as 18 kt. Mostly sunny. Waves 1 ft or less.
Tuesday Night
E wind 8 to 13 kt, with gusts as high as 20 kt. Mostly clear. Waves 1 ft or less.
Wednesday
E wind 9 to 11 kt. Sunny. 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: 45.41°N 86.83°W
Last Update: 7:56 am CDT Sep 19, 2026
Forecast Valid: 8am CDT Sep 19, 2026-6pm CDT Sep 25, 2026
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