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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 69 °F
NNE 10kt
1ft
Tonight
Low: 67 °F
NE 10kt
< 1ft
Thursday
High: 72 °F
Light Wind
< 1ft
Thursday Night
Low: 64 °F
NNE 10kt
< 1ft
Friday
High: 74 °F
E 10kt
< 1ft
Friday Night
Low: 66 °F
SE 15kt
< 1ft
Saturday
High: 76 °F
S 15kt
< 1ft
Saturday Night
Low: 66 °F
NW 15kt
< 1ft
Sunday
High: 71 °F
NNE 10kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:31 pm CDT Sep 16, 2026
Forecast Valid: 2pm CDT Sep 16, 2026-6pm CDT Sep 22, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NNE wind 5 to 10 kt. A slight chance of showers and thunderstorms. Waves around 1 ft.

Tonight

NE wind 5 to 10 kt becoming S after midnight. A chance of showers and thunderstorms, mainly after 9pm. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 11am. Waves 1 ft or less.

Thursday Night

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

Friday

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

Friday Night

SE wind 10 to 15 kt. A chance of showers and thunderstorms after 1am. Waves 1 ft or less.

Saturday

S wind 10 to 15 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.

Saturday Night

SSW wind 10 to 15 kt becoming NNW after midnight. Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Waves 1 ft or less.

Sunday

NNE wind around 10 kt. A chance of showers. Waves around 1 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 55 degrees and at Michigan
City is 51 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.