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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 79 °F
SSW 15kt
2ft
Tonight
Low: 64 °F
S 20kt
1-3ft
Tuesday
High: 76 °F
SSW 20kt
2-3ft
Tuesday Night
Low: 49 °F
NNW 15kt
2-3ft
Wednesday
High: 56 °F
N 15kt
3ft
Wednesday Night
Low: 47 °F
N 15kt
2-3ft
Thursday
High: 64 °F
E 10kt
< 1ft
Thursday Night
Low: 51 °F
E 10kt
< 1ft
Friday
High: 68 °F
E 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:31 am CDT May 18, 2026
Forecast Valid: 12pm CDT May 18, 2026-6pm CDT May 24, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SSW wind around 15 kt, with gusts as high as 25 kt. Showers and thunderstorms likely, mainly before 2pm. Waves around 2 ft.

Tonight

S wind 15 to 20 kt. A slight chance of showers and thunderstorms before 10pm. Waves 1 to 3 ft.

Tuesday

SSW wind 15 to 20 kt becoming WSW in the afternoon. Winds could gust as high as 25 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves 2 to 3 ft.

Tuesday Night

NNW wind 10 to 15 kt. A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Waves 2 to 3 ft.

Wednesday

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

Wednesday Night

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

Thursday

E wind around 10 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

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

Friday

E wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 55 degrees and at Michigan
City is 53 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.