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Green Bay, WI Local Forecast Office

5NM SSE Washington Island WI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NNE wind around 7 kt becoming ESE. Sunny. Waves 1 ft or less.

      High: 54 °F

      NNE 7kt
      < 1ft

    • Tonight

      Tonight:Variable winds less than 5 kt becoming NE 5 to 7 kt in the evening. Mostly clear. Waves 1 ft or less.

      Low: 39 °F

      ⇑NE 7kt
      < 1ft

    • Thursday

      Thursday:NE wind 7 to 9 kt. Increasing clouds. Waves 1 ft or less.

      High: 55 °F

      NE 9kt
      < 1ft

    • Thursday Night

      Thursday Night:ENE wind 8 to 11 kt becoming ESE after midnight. Increasing clouds. Waves 1 ft or less.

      Low: 47 °F

      ENE 11kt
      < 1ft

    • Friday

      Friday:ENE wind 9 to 16 kt, with gusts as high as 22 kt. Mostly cloudy. Waves 1 to 3 ft.

      High: 59 °F

      ENE 16kt
      1-3ft

    • Friday Night

      Friday Night:ENE wind 15 to 18 kt. Showers likely after 1am.   Waves 3 to 4 ft.

      Low: 48 °F

      ENE 18kt
      3-4ft

    • Saturday

      Saturday:ENE wind 14 to 18 kt. Showers likely, mainly before 1pm.   Waves around 4 ft.

      High: 58 °F

      ENE 18kt
      4ft

    • Saturday Night

      Saturday Night:ENE wind 5 to 12 kt becoming WSW after midnight. Mostly cloudy. Waves 1 to 3 ft.

      Low: 48 °F

      ENE 12kt
      1-3ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Partly sunny. Waves 1 ft or less.

      High: 60 °F

      ⇑S 8kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:36 am CDT May 20, 2026
Forecast Valid: 12pm CDT May 20, 2026-6pm CDT May 26, 2026

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Detailed Forecast

This Afternoon
NNE wind around 7 kt becoming ESE. Sunny. Waves 1 ft or less.
Tonight
Variable winds less than 5 kt becoming NE 5 to 7 kt in the evening. Mostly clear. Waves 1 ft or less.
Thursday
NE wind 7 to 9 kt. Increasing clouds. Waves 1 ft or less.
Thursday Night
ENE wind 8 to 11 kt becoming ESE after midnight. Increasing clouds. Waves 1 ft or less.
Friday
ENE wind 9 to 16 kt, with gusts as high as 22 kt. Mostly cloudy. Waves 1 to 3 ft.
Friday Night
ENE wind 15 to 18 kt. Showers likely after 1am. Waves 3 to 4 ft.
Saturday
ENE wind 14 to 18 kt. Showers likely, mainly before 1pm. Waves around 4 ft.
Saturday Night
ENE wind 5 to 12 kt becoming WSW after midnight. Mostly cloudy. Waves 1 to 3 ft.
Sunday
Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Partly 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: 45.3°N 86.87°W
Last Update: 11:36 am CDT May 20, 2026
Forecast Valid: 12pm CDT May 20, 2026-6pm CDT May 26, 2026
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