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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Today
High: 45 °F
N 15kt
2ft
Tonight
Low: 36 °F
N 10kt
1-2ft
Saturday
High: 54 °F
Light Wind
< 1ft
Saturday Night
Low: 50 °F
ESE 15kt
< 1ft
Sunday
High: 66 °F
SSW 20kt
2-3ft
Sunday Night
Low: 56 °F
SSW 25kt
4-5ft
Monday
High: 67 °F
SW 20kt
2-4ft
Monday Night
Low: 58 °F
S 20kt
1-3ft
Tuesday
High: 67 °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: 10:01 am CDT Apr 10, 2026
Forecast Valid: 11am CDT Apr 10, 2026-6pm CDT Apr 16, 2026

View Nearby Observations

Detailed Forecast

Today

N wind 10 to 15 kt. Partly sunny. Waves around 2 ft.

Tonight

N wind 5 to 10 kt becoming ENE after midnight. Mostly clear. Waves 1 to 2 ft.

Saturday

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

Saturday Night

ESE wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers, with thunderstorms also possible after 1am. Waves 1 ft or less.

Sunday

SSW wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Waves 2 to 3 ft.

Sunday Night

SSW wind 20 to 25 kt, with gusts as high as 30 kt. Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Waves 4 to 5 ft.

Monday

SW wind 15 to 20 kt. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Waves 2 to 4 ft.

Monday Night

S wind 10 to 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Waves 1 to 3 ft.

Tuesday

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.

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