For More Weather Information:

Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Saturday
High: 83 °F
WSW 15kt
2ft

Small Craft Advisory
Saturday Night
Low: 70 °F
N 15kt
3-5ft

Small Craft Advisory
Sunday
High: 78 °F
ENE 10kt
1-2ft
Sunday Night
Low: 70 °F
Light Wind
< 1ft
Monday
High: 83 °F
SSW 10kt
< 1ft
Monday Night
Low: 74 °F
SSW 20kt
1-3ft
Tuesday
High: 79 °F
NNW 15kt
3-4ft
Tuesday Night
Low: 66 °F
NNW 25kt
6-8ft
Wednesday
High: 71 °F
NNW 20kt
6-8ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:45 am CDT Jul 18, 2026
Forecast Valid: 3am CDT Jul 18, 2026-6pm CDT Jul 24, 2026

View Nearby Observations

Detailed Forecast

Saturday

WSW wind 10 to 15 kt becoming N in the afternoon. Winds could gust as high as 20 kt. Showers and thunderstorms likely, mainly before 3pm. Waves around 2 ft.

Saturday Night

N wind 10 to 15 kt becoming ENE after midnight. Winds could gust as high as 25 kt. Patchy smoke after 11pm. Waves 3 to 5 ft.

Sunday

ENE wind 5 to 10 kt becoming N in the afternoon. Patchy smoke before 8am. Waves 1 to 2 ft.

Sunday Night

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

Monday

SSW wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Monday Night

SSW wind 15 to 20 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm. Waves 1 to 3 ft.

Tuesday

WSW wind around 15 kt becoming NNW in the afternoon. Winds could gust as high as 25 kt. A slight chance of showers and thunderstorms before 1pm. Waves 3 to 4 ft.

Tuesday Night

NNW wind around 25 kt, with gusts as high as 35 kt. A slight chance of showers. Waves 6 to 8 ft.

Wednesday

NNW wind around 20 kt, with gusts as high as 35 kt. Mostly sunny. Waves 6 to 8 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.