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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: 1:31 am CST Dec 11, 2025
Forecast Valid: 1am CST Dec 11, 2025-6pm CST Dec 17, 2025

Thursday

W wind 5 to 15 kt. Increasing clouds. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Friday

NW wind 5 to 15 kt becoming W in the afternoon. A chance of snow after noon. Waves 1 ft or less.

Friday Night

WNW wind 15 to 25 kt. A slight chance of snow before midnight. Waves 1 to 2 ft.

Saturday

WNW wind around 20 kt, with gusts as high as 30 kt. A slight chance of snow. Waves around 2 ft.

Saturday Night

WNW wind 20 to 25 kt. A slight chance of snow before midnight. Waves around 2 ft.

Sunday

NW wind 15 to 20 kt, with gusts as high as 25 kt. Mostly sunny. Waves 1 to 2 ft.

Sunday Night

W wind 10 to 20 kt becoming SW after midnight. Mostly cloudy. Waves 1 ft or less.

Monday

SW wind 15 to 20 kt, with gusts as high as 25 kt. Partly sunny. Waves 1 to 2 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.