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21NM SE Sturgeon Bay WI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 4:34 pm CDT Apr 5, 2026
Forecast Valid: 6pm CDT Apr 5, 2026-6pm CDT Apr 12, 2026

Tonight

W wind 6 to 12 kt becoming NW in the evening. A chance of showers, mainly between 9pm and 11pm. Waves 1 ft or less.

Monday

NW wind 12 to 21 kt. A chance of snow showers, mainly after 2pm. Waves 1 ft building to 4 ft.

Monday Night

N wind 15 to 23 kt. A chance of snow showers before 10pm. Waves 6 ft subsiding to 3 ft.

Tuesday

NNW wind 5 to 11 kt becoming S in the afternoon. Partly sunny, then gradually becoming sunny. Waves 1 to 2 ft.

Tuesday Night

S wind 10 to 20 kt. A slight chance of snow showers after 1am, mixing with rain after 4am. Waves 1 ft or less building to 4 ft.

Wednesday

S wind 26 to 31 kt. A chance of rain and snow showers before 1pm, then a slight chance of rain showers. Waves 7 ft building to 12 ft.

Wednesday Night

S wind 24 to 32 kt. Showers. Waves 12 to 14 ft.

Thursday

SW wind 12 to 21 kt. A chance of showers. Waves 9 ft subsiding to 4 ft.

Thursday Night

WSW wind 10 to 12 kt becoming NNW after midnight. A chance of showers. Waves 2 to 3 ft.

*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.