For More Weather Information:

Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 73 °F
Light Wind
< 1ft
Thursday
High: 84 °F
Light Wind
< 1ft
Thursday Night
Low: 73 °F
NNE 10kt
< 1ft
Friday
High: 85 °F
Light Wind
< 1ft
Friday Night
Low: 75 °F
SSW 10kt
< 1ft
Saturday
High: 85 °F
SW 10kt
1ft
Saturday Night
Low: 70 °F
N 15kt
2-4ft
Sunday
High: 78 °F
NE 10kt
1-2ft
Sunday Night
Low: 70 °F
N 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:45 pm CDT Jul 15, 2026
Forecast Valid: 9pm CDT Jul 15, 2026-6pm CDT Jul 22, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Patchy smoke after midnight. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Areas of smoke. Waves 1 ft or less.

Thursday Night

NNE wind 5 to 10 kt becoming ESE after midnight. Widespread smoke, mainly between 1am and 2am. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. A slight chance of showers, then a chance of showers and thunderstorms after 10am. Widespread smoke, mainly before 10am. Waves 1 ft or less.

Friday Night

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

Saturday

SW wind around 10 kt becoming NW in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms after 1pm. Waves around 1 ft.

Saturday Night

N wind 10 to 15 kt, with gusts as high as 20 kt. Partly cloudy. Waves 2 to 4 ft.

Sunday

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

Sunday Night

N wind 5 to 10 kt becoming S after midnight. A slight chance of showers. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 68 degrees and at Michigan
City is 69 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.