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Green Bay, WI Local Forecast Office

8NM SSW Washington Island WI

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:W wind 6 to 9 kt becoming E in the afternoon. Sunny. Waves 1 ft or less.

      High: 57 °F

      W 9kt
      < 1ft

    • Monday Night

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

      Low: 54 °F

      Light Wind
      < 1ft

    • Tuesday

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

      High: 58 °F

      Light Wind
      < 1ft

    • Tuesday Night

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

      Low: 50 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SW 5 to 7 kt in the morning. Sunny. Waves 1 ft or less.

      High: 61 °F

      ⇑SW 7kt
      < 1ft

    • Wednesday Night

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

      Low: 51 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming NNE around 6 kt. Mostly sunny. Waves 1 ft or less.

      High: 60 °F

      ⇑NNE 6kt
      < 1ft

    • Thursday Night

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

      Low: 51 °F

      Light Wind
      < 1ft

    • Friday

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

      High: 59 °F

      ⇑SSE 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: 12:01 am CDT Oct 19, 2026
Forecast Valid: 1am CDT Oct 19, 2026-6pm CDT Oct 25, 2026

View Nearby Observations

Detailed Forecast

Monday
W wind 6 to 9 kt becoming E in the afternoon. Sunny. Waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SW 5 to 7 kt in the morning. Sunny. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming NNE around 6 kt. Mostly sunny. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming SSE 5 to 8 kt in the morning. 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: 45.27°N 86.99°W
Last Update: 12:01 am CDT Oct 19, 2026
Forecast Valid: 1am CDT Oct 19, 2026-6pm CDT Oct 25, 2026
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