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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 72 °F
SSW 10kt
< 1ft
Friday
High: 81 °F
SW 10kt
< 1ft
Friday Night
Low: 71 °F
Light Wind
< 1ft
Independence Day
High: 78 °F
Light Wind
< 1ft
Saturday Night
Low: 69 °F
Light Wind
< 1ft
Sunday
High: 77 °F
S 10kt
< 1ft
Sunday Night
Low: 68 °F
N 10kt
< 1ft
Monday
High: 76 °F
N 10kt
1ft
Monday Night
Low: 67 °F
N 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: 9:03 pm CDT Jul 2, 2026
Forecast Valid: 9pm CDT Jul 2, 2026-6pm CDT Jul 9, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSW wind 5 to 10 kt becoming W after midnight. A chance of showers and thunderstorms after midnight. Waves 1 ft or less.

Friday

SW wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Waves 1 ft or less.

Independence Day

Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.

Saturday Night

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

Sunday

S wind 5 to 10 kt becoming NNW in the afternoon. A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Waves 1 ft or less.

Sunday Night

N wind 5 to 10 kt becoming NE in the evening. A slight chance of showers and thunderstorms before 1am. Waves 1 ft or less.

Monday

NE wind 5 to 10 kt becoming NW in the morning. Mostly sunny. Waves around 1 ft.

Monday Night

N wind 5 to 10 kt. Partly cloudy. Waves around 1 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 68 degrees and at Michigan
City is 50 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.