Hazardous Weather Conditions

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Green Bay, WI Local Forecast Office

9NM SSW Washington Island WI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds less than 5 kt becoming SE around 6 kt after midnight. A chance of showers, mainly after 3am.   Waves 1 ft or less.

      Low: 52 °F

      ⇑SE 6kt
      < 1ft

    • Saturday

      Saturday:SE wind 7 to 9 kt. A chance of showers, mainly after 11am.   Waves 1 ft or less.

      High: 67 °F

      SE 9kt
      < 1ft

    • Saturday Night

      Saturday Night:ENE wind 5 to 7 kt becoming NNE after midnight. A chance of showers, mainly before 8pm.   Waves 1 ft or less.

      Low: 50 °F

      NNE 7kt
      < 1ft

    • Sunday

      Sunday:NNE wind 9 to 12 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

      High: 68 °F

      NNE 12kt
      < 1ft

    • Sunday Night

      Sunday Night:NNE wind 9 to 12 kt, with gusts as high as 22 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 50 °F

      NNE 12kt
      < 1ft

    • Monday

      Monday:ENE wind 10 to 12 kt, with gusts as high as 19 kt. Partly sunny. Waves 1 ft or less.

      High: 63 °F

      ENE 12kt
      < 1ft

    • Monday Night

      Monday Night:E wind 10 to 13 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 53 °F

      E 13kt
      < 1ft

    • Tuesday

      Tuesday:ENE wind 10 to 13 kt, with gusts as high as 19 kt. Mostly sunny. Waves 1 ft or less.

      High: 63 °F

      ENE 13kt
      < 1ft

    • Tuesday Night

      Tuesday Night:E wind 8 to 12 kt, with gusts as high as 18 kt. Partly cloudy. Waves 1 ft or less.

      Low: 53 °F

      E 12kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:26 pm CDT Sep 18, 2026
Forecast Valid: 7pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

Tonight
Variable winds less than 5 kt becoming SE around 6 kt after midnight. A chance of showers, mainly after 3am. Waves 1 ft or less.
Saturday
SE wind 7 to 9 kt. A chance of showers, mainly after 11am. Waves 1 ft or less.
Saturday Night
ENE wind 5 to 7 kt becoming NNE after midnight. A chance of showers, mainly before 8pm. Waves 1 ft or less.
Sunday
NNE wind 9 to 12 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.
Sunday Night
NNE wind 9 to 12 kt, with gusts as high as 22 kt. Mostly cloudy. Waves 1 ft or less.
Monday
ENE wind 10 to 12 kt, with gusts as high as 19 kt. Partly sunny. Waves 1 ft or less.
Monday Night
E wind 10 to 13 kt. Mostly cloudy. Waves 1 ft or less.
Tuesday
ENE wind 10 to 13 kt, with gusts as high as 19 kt. Mostly sunny. Waves 1 ft or less.
Tuesday Night
E wind 8 to 12 kt, with gusts as high as 18 kt. Partly cloudy. 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: 45.22°N 87°W
Last Update: 4:26 pm CDT Sep 18, 2026
Forecast Valid: 7pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026
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