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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 77 °F
N 15kt
3ft

Small Craft Advisory
Tonight
Low: 69 °F
N 15kt
3-4ft

Small Craft Advisory
Sunday
High: 77 °F
NNW 10kt
1-2ft
Sunday Night
Low: 69 °F
N 10kt
< 1ft
Monday
High: 84 °F
SSW 10kt
< 1ft
Monday Night
Low: 74 °F
S 20kt
1-3ft
Tuesday
High: 80 °F
WSW 15kt
2-3ft
Tuesday Night
Low: 66 °F
N 25kt
8ft
Wednesday
High: 70 °F
N 20kt
7-8ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:46 pm CDT Jul 18, 2026
Forecast Valid: 5pm CDT Jul 18, 2026-6pm CDT Jul 25, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

N wind around 15 kt, with gusts as high as 20 kt. Mostly sunny. Waves around 3 ft.

Tonight

N wind 10 to 15 kt, with gusts as high as 20 kt. Areas of smoke. Waves 3 to 4 ft.

Sunday

ENE wind 5 to 10 kt becoming NNW in the afternoon. Patchy smoke before 8am. Waves 1 to 2 ft.

Sunday Night

N wind 5 to 10 kt becoming SSE after midnight. Mostly clear. Waves 1 ft or less.

Monday

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

Monday Night

S wind 15 to 20 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm. Waves 1 to 3 ft.

Tuesday

WSW wind around 15 kt becoming NNW in the afternoon. Winds could gust as high as 25 kt. A chance of showers and thunderstorms before 1pm. Waves 2 to 3 ft.

Tuesday Night

N wind 20 to 25 kt, with gusts as high as 30 kt. Mostly clear. Waves 5 ft building to 8 ft.

Wednesday

N wind around 20 kt, with gusts as high as 35 kt. Mostly sunny. Waves 7 to 8 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at Michigan City is 54 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.