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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 86 °F
SSW 10kt
1ft
Tonight
Low: 77 °F
SSW 10kt
< 1ft
Thursday
High: 84 °F
Light Wind
< 1ft
Thursday Night
Low: 76 °F
Light Wind
< 1ft
Friday
High: 83 °F
Light Wind
< 1ft
Friday Night
Low: 74 °F
Light Wind
< 1ft
Saturday
High: 81 °F
Light Wind
< 1ft
Saturday Night
Low: 71 °F
E 10kt
< 1ft
Sunday
High: 80 °F
ESE 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: 1:30 pm CDT Sep 2, 2026
Forecast Valid: 2pm CDT Sep 2, 2026-6pm CDT Sep 8, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SSW wind around 10 kt. Sunny. Waves around 1 ft.

Tonight

SSW wind around 10 kt. Partly cloudy. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 4pm. Waves 1 ft or less.

Thursday Night

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

Friday

Variable winds 5 kt or less. A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Waves 1 ft or less.

Friday Night

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

Saturday

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

Saturday Night

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

Sunday

ESE wind 5 to 10 kt becoming NE in the afternoon. Mostly sunny. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 73 degrees and at Michigan
City is 59 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.