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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: 2:45 am CDT Aug 4, 2026
Forecast Valid: 3am CDT Aug 4, 2026-6pm CDT Aug 10, 2026

Tuesday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Tuesday Night

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

Wednesday

WSW wind 5 to 10 kt. A chance of showers, with thunderstorms also possible after 4pm. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 1pm. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 1am. Waves 1 ft or less.

Friday

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

Friday Night

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

Saturday

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

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 51 degrees and at Michigan
City is 58 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.