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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 81 °F
S 10kt
< 1ft
Tonight
Low: 70 °F
E 10kt
< 1ft
Saturday
High: 72 °F
NE 15kt
1ft

Small Craft Advisory
Saturday Night
Low: 66 °F
NE 20kt
2-3ft

Small Craft Advisory
Sunday
High: 72 °F
N 15kt
3-4ft

Small Craft Advisory
Sunday Night
Low: 65 °F
NNE 20kt
3-5ft

Small Craft Advisory
Monday
High: 73 °F
NNE 10kt
1-2ft
Monday Night
Low: 66 °F
N 10kt
< 1ft
Tuesday
High: 76 °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: 3:16 pm CDT Jul 31, 2026
Forecast Valid: 3pm CDT Jul 31, 2026-6pm CDT Aug 6, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

S wind around 10 kt. Showers likely, mainly after 5pm. Waves 1 ft or less.

Tonight

S wind 5 to 10 kt becoming ENE after midnight. A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm, then showers likely and possibly a thunderstorm after 10pm. Waves 1 ft or less.

Saturday

E wind around 15 kt becoming NE in the afternoon. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm. Waves around 1 ft.

Saturday Night

NE wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms. Waves 2 to 3 ft.

Sunday

N wind around 15 kt, with gusts as high as 25 kt. A chance of showers, mainly before 1pm. Waves 3 to 4 ft.

Sunday Night

NNE wind 10 to 20 kt. Partly cloudy. Waves 3 to 5 ft.

Monday

NNE wind around 10 kt. Sunny. Waves 1 to 2 ft.

Monday Night

N wind 5 to 10 kt becoming E after midnight. Mostly clear. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. Mostly sunny. 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.