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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Today
High: 77 °F
SSE 10kt
< 1ft
Tonight
Low: 74 °F
WSW 10kt
< 1ft
Sunday
High: 78 °F
WSW 10kt
< 1ft
Sunday Night
Low: 71 °F
N 10kt
1-2ft
Monday
High: 73 °F
NNE 10kt
1-2ft
Monday Night
Low: 68 °F
Light Wind
< 1ft
Tuesday
High: 77 °F
SW 10kt
< 1ft
Tuesday Night
Low: 70 °F
S 10kt
< 1ft
Wednesday
High: 74 °F
W 15kt
1-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:46 am CDT Aug 15, 2026
Forecast Valid: 8am CDT Aug 15, 2026-6pm CDT Aug 21, 2026

View Nearby Observations

Detailed Forecast

Today

SSE wind 5 to 10 kt. Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Waves 1 ft or less.

Tonight

S wind 5 to 10 kt becoming WSW after midnight. A chance of showers and thunderstorms, mainly after 2am. Waves 1 ft or less.

Sunday

WSW wind 5 to 10 kt becoming WNW in the afternoon. Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms, mainly between 9am and 1pm. Waves 1 ft or less.

Sunday Night

NNW wind 5 to 10 kt becoming NNE after midnight. Partly cloudy. Waves 1 to 2 ft.

Monday

NNE wind 5 to 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

SW wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Tuesday Night

S wind 5 to 10 kt. A chance of showers and thunderstorms. Waves 1 ft or less.

Wednesday

SSW wind 10 to 15 kt becoming NNW in the afternoon. Winds could gust as high as 25 kt. A chance of showers and thunderstorms, mainly before 1pm. Waves 1 to 3 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 72 degrees and at Michigan
City is 63 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.