For More Weather Information:

9NM WSW Saint Joseph MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 2:45 pm CDT Mar 22, 2026
Forecast Valid: 4pm CDT Mar 22, 2026-6pm CDT Mar 28, 2026

This Afternoon

N wind around 25 kt, with gusts as high as 30 kt. A chance of showers. Waves around 8 ft.

Tonight

N wind 20 to 25 kt, with gusts as high as 30 kt. A slight chance of showers before 7pm. Waves 7 to 9 ft.

Monday

N wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves 4 to 6 ft.

Monday Night

NNE wind 5 to 10 kt becoming SSE after midnight. Partly cloudy. Waves 1 to 3 ft.

Tuesday

SSW wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

Tuesday Night

S wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday

S wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday Night

S wind 10 to 15 kt. A slight chance of showers and thunderstorms. Waves 1 ft or less.

Thursday

S wind 10 to 15 kt becoming NW in the afternoon. A chance of showers, mainly after 1pm. Waves 1 to 2 ft.

The water temperature at St. Joseph and at Michigan City is 39
degrees.

*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.