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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Tuesday
High: 27 °F
NW 25kt⇓
10ft

Small Craft Advisory
Tuesday Night
Low: 24 °F
S 15kt
2-3ft
Wednesday
High: 40 °F
S 20kt
1-2ft
Wednesday Night
Low: 36 °F
SW 10kt
< 1ft
Thursday
High: 46 °F
SSW 10kt
< 1ft
Thursday Night
Low: 38 °F
SSW 10kt
< 1ft
Friday
High: 49 °F
SSW 10kt
< 1ft
Friday Night
Low: 40 °F
SE 20kt
2ft
Saturday
High: 50 °F
SE 20kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:30 am CDT Mar 17, 2026
Forecast Valid: 1am CDT Mar 17, 2026-6pm CDT Mar 23, 2026

View Nearby Observations

Detailed Forecast

Tuesday

NW wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. A chance of snow showers, mainly before 10am. Widespread freezing spray before 3pm. Waves 10 ft subsiding to 4 ft.

Tuesday Night

SW wind 10 to 15 kt becoming S after midnight. A chance of snow showers after 1am. Waves 2 to 3 ft.

Wednesday

S wind 10 to 20 kt. A chance of snow showers before 1pm. Waves 1 to 2 ft.

Wednesday Night

SW wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

SSW wind 5 to 10 kt becoming NW in the afternoon. A slight chance of showers before 1pm. Waves 1 ft or less.

Thursday Night

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

Friday

SSW wind around 10 kt becoming W in the afternoon. Partly sunny. Waves 1 ft or less.

Friday Night

WNW wind 15 to 20 kt becoming E after midnight. Mostly cloudy. Waves around 2 ft.

Saturday

SE wind 15 to 20 kt becoming W in the afternoon. Partly sunny. Waves 1 to 2 ft.

The water temperature at St. Joseph is 39 degrees and at Michigan
City is 39 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.