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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Today
High: 81 °F
SSW 15kt
< 1ft
Tonight
Low: 70 °F
N 20kt
4ft

Small Craft Advisory
Tuesday
High: 72 °F
N 20kt
5-6ft

Small Craft Advisory
Tuesday Night
Low: 67 °F
NNE 20kt⇓
7ft

Small Craft Advisory
Wednesday
High: 73 °F
NNW 10kt
2ft
Wednesday Night
Low: 68 °F
N 10kt
1-2ft
Thursday
High: 79 °F
Light Wind
< 1ft
Thursday Night
Low: 72 °F
Light Wind
< 1ft
Friday
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: 7:45 am CDT Jul 27, 2026
Forecast Valid: 8am CDT Jul 27, 2026-6pm CDT Aug 2, 2026

View Nearby Observations

Detailed Forecast

Today

SSW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Waves 1 ft or less.

Tonight

SW wind 10 to 20 kt becoming N after midnight. Winds could gust as high as 25 kt. A chance of showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Waves 1 ft building to 4 ft.

Tuesday

N wind around 20 kt, with gusts as high as 30 kt. Partly sunny. Waves 5 to 6 ft.

Tuesday Night

NNE wind 15 to 20 kt decreasing to 10 to 15 kt after midnight. Winds could gust as high as 30 kt. Mostly clear. Waves 7 ft subsiding to 3 ft.

Wednesday

NNW wind around 10 kt, with gusts as high as 20 kt. Sunny. Waves around 2 ft.

Wednesday Night

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

Thursday

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

Thursday Night

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

Friday

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

*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.