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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: 5:45 am CDT Aug 14, 2026
Forecast Valid: 7am CDT Aug 14, 2026-6pm CDT Aug 20, 2026

Today

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

Tonight

NNE wind 5 to 10 kt becoming ESE after midnight. A chance of showers and thunderstorms, mainly after 4am. Waves 1 ft or less.

Saturday

SE wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Waves 1 ft or less.

Saturday Night

S wind 5 to 10 kt becoming W after midnight. Showers likely and possibly a thunderstorm. Waves 1 ft or less.

Sunday

W wind 5 to 10 kt. A chance of showers, with thunderstorms also possible after 10am. Waves around 1 ft.

Sunday Night

NW wind 5 to 10 kt becoming NNE after midnight. Partly cloudy. Waves 1 ft or less.

Monday

NNE wind around 10 kt becoming NNW in the afternoon. Sunny. Waves 1 to 2 ft.

Monday Night

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

Tuesday

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

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 74 degrees and at Michigan
City is 66 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.