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Green Bay, WI Local Forecast Office

5NM SSE Washington Island WI

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 16 to 18 kt, with gusts as high as 24 kt. Sunny. Waves 4 to 5 ft.

      High: 67 °F

      S 18kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:SW wind 8 to 15 kt, with gusts as high as 22 kt. Increasing clouds. Waves 2 to 3 ft.

      Low: 58 °F

      SW 15kt
      2-3ft

    • Columbus Day

      Columbus Day:SSW wind 7 to 9 kt becoming W in the morning. A slight chance of showers after 4pm.   Waves 1 to 2 ft.

      High: 69 °F

      S 9kt
      1-2ft

    • Monday Night

      Monday Night:NE wind 6 to 10 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.   Waves around 2 ft.

      Low: 55 °F

      NE 10kt
      2ft

    • Tuesday

      Tuesday:N wind 11 to 13 kt. A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm.   Waves 1 to 2 ft.

      High: 63 °F

      N 13kt
      1-2ft

    • Tuesday Night

      Tuesday Night:NNW wind around 9 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 49 °F

      NNW 9kt
      < 1ft

    • Wednesday

      Wednesday:N wind around 8 kt. Partly sunny. Waves 1 ft or less.

      High: 61 °F

      N 8kt
      < 1ft

    • Wednesday Night

      Wednesday Night:N wind 8 to 10 kt becoming ENE after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 50 °F

      NNE 10kt
      < 1ft

    • Thursday

      Thursday:SE wind 9 to 11 kt. A chance of showers.   Waves 1 to 2 ft.

      High: 61 °F

      SE 11kt
      1-2ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:36 am CDT Oct 11, 2026
Forecast Valid: 7am CDT Oct 11, 2026-6pm CDT Oct 17, 2026

View Nearby Observations

Detailed Forecast

Today
S wind 16 to 18 kt, with gusts as high as 24 kt. Sunny. Waves 4 to 5 ft.
Tonight
SW wind 8 to 15 kt, with gusts as high as 22 kt. Increasing clouds. Waves 2 to 3 ft.
Columbus Day
SSW wind 7 to 9 kt becoming W in the morning. A slight chance of showers after 4pm. Waves 1 to 2 ft.
Monday Night
NE wind 6 to 10 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Waves around 2 ft.
Tuesday
N wind 11 to 13 kt. A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Waves 1 to 2 ft.
Tuesday Night
NNW wind around 9 kt. Mostly cloudy. Waves 1 ft or less.
Wednesday
N wind around 8 kt. Partly sunny. Waves 1 ft or less.
Wednesday Night
N wind 8 to 10 kt becoming ENE after midnight. Partly cloudy. Waves 1 ft or less.
Thursday
SE wind 9 to 11 kt. A chance of showers. Waves 1 to 2 ft.

*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: 5:36 am CDT Oct 11, 2026
Forecast Valid: 7am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
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