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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 75 °F
Light Wind
< 1ft
Tonight
Low: 68 °F
SSE 10kt
< 1ft
Wednesday
High: 79 °F
SSW 15kt
1ft
Wednesday Night
Low: 73 °F
WNW 10kt
1ft
Thursday
High: 75 °F
NNW 10kt
2ft
Thursday Night
Low: 68 °F
N 10kt
1-2ft
Friday
High: 75 °F
Light Wind
< 1ft
Friday Night
Low: 67 °F
Light Wind
< 1ft
Saturday
High: 78 °F
Light Wind
< 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 Aug 25, 2026
Forecast Valid: 1pm CDT Aug 25, 2026-6pm CDT Aug 31, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Tonight

SSE wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Wednesday

SSW wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Waves around 1 ft.

Wednesday Night

W wind around 10 kt becoming NW after midnight. A slight chance of showers and thunderstorms before 10pm. Waves around 1 ft.

Thursday

NNW wind around 10 kt. Sunny. Waves around 2 ft.

Thursday Night

N wind 5 to 10 kt becoming ENE after midnight. Mostly clear. Waves 1 to 2 ft.

Friday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. Mostly sunny. 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 73 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.