For More Weather Information:

Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 78 °F
Light Wind
< 1ft
Wednesday
High: 87 °F
Light Wind
< 1ft
Wednesday Night
Low: 73 °F
W 10kt
< 1ft
Thursday
High: 78 °F
N 15kt
2-4ft
Thursday Night
Low: 67 °F
N 15kt
3-5ft
Friday
High: 77 °F
ENE 10kt
1-2ft
Friday Night
Low: 71 °F
Light Wind
< 1ft
Saturday
High: 82 °F
Light Wind
< 1ft
Saturday Night
Low: 74 °F
W 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: 5:16 pm CDT Jul 15, 2025
Forecast Valid: 6pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025

View Nearby Observations

Detailed Forecast

Tonight

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

Wednesday

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 4pm. Waves 1 ft or less.

Wednesday Night

S wind 5 to 10 kt becoming W after midnight. A chance of showers and thunderstorms after 7pm. Waves 1 ft or less.

Thursday

WNW wind around 15 kt becoming N in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Waves 2 to 4 ft.

Thursday Night

N wind 10 to 15 kt becoming ENE after midnight. Partly cloudy. Waves 3 to 5 ft.

Friday

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

Friday Night

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

Saturday

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

Saturday Night

SW wind 5 to 10 kt becoming W after midnight. A chance of showers and thunderstorms. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 71 degrees and at Michigan
City is 61 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.