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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 81 °F
Light Wind
< 1ft
Tonight
Low: 70 °F
NNW 10kt
3ft
Sunday
High: 72 °F
NNW 15kt
3-4ft
Sunday Night
Low: 60 °F
NNW 15kt
2-4ft
Monday
High: 72 °F
ESE 10kt
1-2ft
Monday Night
Low: 67 °F
SE 20kt
1-2ft
Tuesday
High: 81 °F
S 15kt
1-2ft
Tuesday Night
Low: 70 °F
WNW 10kt
< 1ft
Wednesday
High: 75 °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: 12:32 pm CDT Sep 12, 2026
Forecast Valid: 12pm CDT Sep 12, 2026-6pm CDT Sep 18, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

W wind 5 to 10 kt becoming N after midnight. Partly cloudy. Waves 1 ft or less building to 3 ft.

Sunday

NNW wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of showers between 3pm and 4pm. Waves 3 to 4 ft.

Sunday Night

NNW wind 5 to 15 kt becoming ENE after midnight. Mostly clear. Waves 2 to 4 ft.

Monday

ESE wind 5 to 10 kt. Sunny. Waves 1 to 2 ft.

Monday Night

SE wind 15 to 20 kt, with gusts as high as 25 kt. A slight chance of showers and thunderstorms after 1am. Waves 1 to 2 ft.

Tuesday

S wind 10 to 15 kt becoming W in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Waves 1 to 2 ft.

Tuesday Night

WNW wind 5 to 10 kt becoming NE after midnight. Showers and possibly a thunderstorm. Waves 1 ft or less.

Wednesday

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 52 degrees and at Michigan
City is 50 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.