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9NM S Port Washington WI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 3:11 pm CST Dec 3, 2025
Forecast Valid: 3pm CST Dec 3, 2025-6pm CST Dec 10, 2025

This Afternoon

NW wind around 15 kt. Cloudy. Waves around 1 ft.

Tonight

NW wind 15 to 20 kt. Cloudy during the early evening, then gradual clearing. Waves around 1 ft.

Thursday

NW wind 5 to 15 kt becoming SW in the afternoon. Sunny. Waves 1 ft or less.

Thursday Night

SW wind 10 to 20 kt. Mostly cloudy. Waves 1 to 2 ft.

Friday

SW wind 15 to 20 kt. A slight chance of snow after noon. Waves 1 to 2 ft.

Friday Night

SW wind 10 to 15 kt becoming W after midnight. A chance of snow, mainly before midnight. Waves 1 ft or less.

Saturday

WNW wind around 10 kt. Partly sunny. Waves 1 ft or less.

Saturday Night

NNW wind 10 to 15 kt. A chance of snow showers. Waves 1 ft or less.

Sunday

NNW wind 10 to 15 kt. A slight chance of snow showers. Waves around 1 ft.

Wave heights are for ice free areas.

*Notices:

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.
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.