Hazardous Weather Conditions

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Green Bay, WI Local Forecast Office

5NM SSE Washington Island WI

Marine Point Forecast

[NOTICE]
    • Today

      Today:N wind 9 to 12 kt, with gusts as high as 18 kt. Sunny. Waves 1 to 2 ft.

      High: 78 °F

      N 12kt
      1-2ft

    • Tonight

      Tonight:N wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.

      Low: 65 °F

      N 10kt
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

      High: 78 °F

      Light Wind
      < 1ft

    • Wednesday Night

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

      Low: 67 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming SSE 5 to 8 kt in the morning. Sunny. Waves 1 ft or less.

      High: 80 °F

      ⇑SSE 8kt
      < 1ft

    • Thursday Night

      Thursday Night:S wind around 6 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms.   Waves 1 ft or less.

      Low: 68 °F

      S 6kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SSW 5 to 7 kt in the morning. A chance of showers and thunderstorms after 1pm.   Waves 1 ft or less.

      High: 81 °F

      ⇑SSW 7kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms.   Waves 1 ft or less.

      Low: 68 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming NNE around 6 kt in the morning. A chance of showers, with thunderstorms also possible after 1pm.   Waves 1 ft or less.

      High: 75 °F

      ⇑NNE 6kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:41 am CDT Jul 28, 2026
Forecast Valid: 8am CDT Jul 28, 2026-6pm CDT Aug 3, 2026

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Detailed Forecast

Today
N wind 9 to 12 kt, with gusts as high as 18 kt. Sunny. Waves 1 to 2 ft.
Tonight
N wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming SSE 5 to 8 kt in the morning. Sunny. Waves 1 ft or less.
Thursday Night
S wind around 6 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the morning. A chance of showers and thunderstorms after 1pm. Waves 1 ft or less.
Friday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.
Saturday
Variable winds less than 5 kt becoming NNE around 6 kt in the morning. A chance of showers, with thunderstorms also possible after 1pm. 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: 8:41 am CDT Jul 28, 2026
Forecast Valid: 8am CDT Jul 28, 2026-6pm CDT Aug 3, 2026
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