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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 72 °F
SW 10kt
1ft
Tonight
Low: 61 °F
SSW 10kt
1ft
Sunday
High: 68 °F
NNW 15kt
2-3ft
Sunday Night
Low: 59 °F
NNW 10kt
1-2ft
Monday
High: 73 °F
WSW 10kt
< 1ft
Monday Night
Low: 62 °F
SSW 10kt
< 1ft
Tuesday
High: 73 °F
SW 15kt
1-2ft
Tuesday Night
Low: 61 °F
SW 15kt
1-2ft
Wednesday
High: 73 °F
S 15kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:47 pm CDT Jun 13, 2026
Forecast Valid: 5pm CDT Jun 13, 2026-6pm CDT Jun 20, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SW wind around 10 kt. Mostly sunny. Waves around 1 ft.

Tonight

SSW wind around 10 kt becoming NNW after midnight. A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 3am, then a chance of showers and thunderstorms after 3am. Waves around 1 ft.

Sunday

NNW wind 10 to 15 kt. A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 9am. Waves 2 to 3 ft.

Sunday Night

NNW wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Waves 1 to 2 ft.

Monday

WSW wind 5 to 10 kt. Sunny. Waves 1 ft or less.

Monday Night

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

Tuesday

SW wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.

Tuesday Night

SW wind 10 to 15 kt. A chance of showers and thunderstorms before 1am. Waves 1 to 2 ft.

Wednesday

SW wind 5 to 15 kt becoming S in the afternoon. Winds could gust as high as 25 kt. A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves around 1 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 63 degrees and at Michigan
City is 64 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.