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9NM WSW Saint Joseph MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 12:00 am CDT Apr 16, 2026
Forecast Valid: 12am CDT Apr 16, 2026-6pm CDT Apr 22, 2026

Overnight

S wind 10 to 15 kt. Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Waves around 1 ft.

Thursday

SSW wind around 10 kt becoming NW in the afternoon. A slight chance of showers and thunderstorms. Waves around 1 ft.

Thursday Night

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

Friday

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

Friday Night

SSE wind around 15 kt becoming SSW after midnight. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm. Waves 1 to 2 ft.

Saturday

WNW wind 15 to 20 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Waves 3 to 4 ft.

Saturday Night

WNW wind around 15 kt, with gusts as high as 20 kt. Partly cloudy. Waves 3 ft building to 6 ft.

Sunday

W wind around 15 kt becoming NNW in the afternoon. Winds could gust as high as 25 kt. Sunny. Waves 6 ft subsiding to 3 ft.

Sunday Night

NNW wind 10 to 15 kt becoming NNE after midnight. A slight chance of showers. Waves 3 to 4 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 48 degrees and at Michigan
City is 45 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.