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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 77 °F
Light Wind
< 1ft
Tonight
Low: 71 °F
Light Wind
< 1ft
Wednesday
High: 76 °F
Light Wind
< 1ft
Wednesday Night
Low: 70 °F
Light Wind
< 1ft
Thursday
High: 76 °F
Light Wind
< 1ft
Thursday Night
Low: 69 °F
N 10kt
< 1ft
Friday
High: 76 °F
ENE 10kt
1ft
Friday Night
Low: 66 °F
ESE 10kt
1ft
Saturday
High: 77 °F
SE 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: 11:31 am CDT Aug 11, 2026
Forecast Valid: 12pm CDT Aug 11, 2026-6pm CDT Aug 17, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms, mainly between 4pm and 5pm. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 7pm. Waves 1 ft or less.

Wednesday

Variable winds 5 kt or less. A chance of showers before 3pm, then a slight chance of showers after 4pm. Waves 1 ft or less.

Wednesday Night

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

Thursday

Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 4pm. Waves 1 ft or less.

Thursday Night

N wind 5 to 10 kt becoming NE after midnight. A slight chance of thunderstorms before 7pm. Waves 1 ft or less.

Friday

ENE wind 5 to 10 kt. Partly sunny. Waves around 1 ft.

Friday Night

NE wind around 10 kt becoming ESE after midnight. A chance of showers and thunderstorms after 1am. Waves around 1 ft.

Saturday

SE wind around 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 72 degrees and at Michigan
City is 67 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.