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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 68 °F
SSE 10kt
< 1ft
Saturday
High: 81 °F
S 10kt
< 1ft
Saturday Night
Low: 70 °F
NNW 15kt
1-2ft
Sunday
High: 72 °F
NNW 15kt
3ft
Sunday Night
Low: 62 °F
N 15kt
2-3ft
Monday
High: 74 °F
E 10kt
1-2ft
Monday Night
Low: 68 °F
SE 20kt
1-2ft
Tuesday
High: 80 °F
S 15kt
1-2ft
Tuesday Night
Low: 69 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:32 pm CDT Sep 11, 2026
Forecast Valid: 10pm CDT Sep 11, 2026-6pm CDT Sep 18, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSE wind around 10 kt. Partly cloudy. Waves 1 ft or less.

Saturday

S wind 5 to 10 kt becoming WSW in the afternoon. Mostly sunny. Waves 1 ft or less.

Saturday Night

W wind 5 to 15 kt becoming NNW after midnight. Partly cloudy. Waves 1 to 2 ft.

Sunday

NNW wind 10 to 15 kt. Mostly sunny. Waves around 3 ft.

Sunday Night

N wind 10 to 15 kt becoming ENE after midnight. Partly cloudy. Waves 2 to 3 ft.

Monday

E wind 5 to 10 kt becoming SE in the afternoon. Mostly sunny. Waves 1 to 2 ft.

Monday Night

SE wind 15 to 20 kt. Mostly cloudy. Waves 1 to 2 ft.

Tuesday

S wind 10 to 15 kt becoming W in the afternoon. Winds could gust as high as 20 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.

Tuesday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Waves around 1 ft.

The water temperature at Michigan City is 52 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.