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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Today
High: 87 °F
Light Wind
< 1ft
Tonight
Low: 77 °F
WSW 15kt
1-2ft
Saturday
High: 83 °F
N 15kt
2ft
Saturday Night
Low: 70 °F
N 20kt
3-4ft
Sunday
High: 78 °F
NNW 10kt
1-2ft
Sunday Night
Low: 70 °F
Light Wind
< 1ft
Monday
High: 83 °F
S 10kt
< 1ft
Monday Night
Low: 74 °F
SSW 20kt
2-4ft
Tuesday
High: 80 °F
NW 20kt
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:16 am CDT Jul 17, 2026
Forecast Valid: 11am CDT Jul 17, 2026-6pm CDT Jul 23, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly between 1pm and 3pm. Areas of smoke. Waves 1 ft or less.

Tonight

S wind 10 to 15 kt becoming WSW after midnight. A slight chance of showers and thunderstorms before 7pm. Waves 1 to 2 ft.

Saturday

WSW wind 10 to 15 kt becoming N in the afternoon. Winds could gust as high as 25 kt. A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Waves around 2 ft.

Saturday Night

N wind 10 to 20 kt becoming ENE after midnight. Mostly clear. Waves 3 to 4 ft.

Sunday

ENE wind 5 to 10 kt becoming NNW in the afternoon. Sunny. Waves 1 to 2 ft.

Sunday Night

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

Monday

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

Monday Night

SSW wind 15 to 20 kt, with gusts as high as 25 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Waves 2 to 4 ft.

Tuesday

WSW wind 15 to 20 kt becoming NW in the afternoon. Winds could gust as high as 30 kt. A chance of showers and thunderstorms, mainly before 1pm. Waves around 3 ft.

*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.