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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 76 °F
Light Wind
< 1ft
Tonight
Low: 73 °F
Light Wind
< 1ft
Sunday
High: 84 °F
Light Wind
< 1ft
Sunday Night
Low: 76 °F
S 10kt
< 1ft
Monday
High: 83 °F
SW 10kt
< 1ft
Monday Night
Low: 71 °F
NW 15kt
1-2ft
Tuesday
High: 75 °F
NNW 25kt
7ft
Tuesday Night
Low: 67 °F
N 25kt⇓
8ft
Wednesday
High: 74 °F
NNW 15kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:00 pm CDT Jul 25, 2026
Forecast Valid: 4pm CDT Jul 25, 2026-6pm CDT Jul 31, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

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

Sunday

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

Sunday Night

S wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 11pm. Waves 1 ft or less.

Monday

S wind around 10 kt becoming WSW in the afternoon. A chance of showers, with thunderstorms also possible after 10am. Waves 1 ft or less.

Monday Night

SSW wind 10 to 15 kt becoming NW after midnight. Winds could gust as high as 20 kt. A chance of showers and thunderstorms before 1am. Waves 1 to 2 ft.

Tuesday

NNW wind 15 to 25 kt, with gusts as high as 35 kt. Mostly sunny. Waves 3 ft building to 7 ft.

Tuesday Night

N wind 20 to 25 kt decreasing to 10 to 15 kt after midnight. Winds could gust as high as 35 kt. Mostly clear. Waves 8 ft subsiding to 3 ft.

Wednesday

NNW wind 10 to 15 kt, with gusts as high as 25 kt. Sunny. Waves around 2 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 64 degrees and at Michigan
City is 69 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.