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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 53 °F
Light Wind
< 1ft
Tonight
Low: 49 °F
SE 15kt
< 1ft
Sunday
High: 67 °F
SSW 20kt
1-3ft
Sunday Night
Low: 54 °F
SSW 20kt
3-4ft
Monday
High: 65 °F
SW 15kt
1-3ft
Monday Night
Low: 57 °F
S 20kt
1-2ft
Tuesday
High: 68 °F
SSW 15kt
2ft
Tuesday Night
Low: 56 °F
SSW 20kt
2-3ft
Wednesday
High: 64 °F
SSW 20kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:30 pm CDT Apr 11, 2026
Forecast Valid: 1pm CDT Apr 11, 2026-6pm CDT Apr 17, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

SE wind 10 to 15 kt. A chance of showers, with thunderstorms also possible after 4am. Waves 1 ft or less.

Sunday

SSW wind 15 to 20 kt. A slight chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Waves 1 to 3 ft.

Sunday Night

SSW wind around 20 kt, with gusts as high as 25 kt. Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Waves 3 to 4 ft.

Monday

SW wind 10 to 15 kt, with gusts 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 3 ft.

Monday Night

S wind 10 to 20 kt. Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Waves 1 to 2 ft.

Tuesday

SSW wind around 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly after 1pm. Waves around 2 ft.

Tuesday Night

SSW wind 15 to 20 kt. Showers and possibly a thunderstorm. Waves 2 to 3 ft.

Wednesday

SSW wind 15 to 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves 2 to 3 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 44 degrees and at Michigan
City is 45 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.