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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 74 °F
N 10kt
1ft
Tonight
Low: 67 °F
N 10kt
1ft
Thursday
High: 79 °F
Light Wind
< 1ft
Thursday Night
Low: 71 °F
Light Wind
< 1ft
Friday
High: 79 °F
Light Wind
< 1ft
Friday Night
Low: 68 °F
E 10kt
< 1ft
Saturday
High: 74 °F
NE 10kt
< 1ft
Saturday Night
Low: 67 °F
NE 10kt
1-2ft
Sunday
High: 73 °F
N 15kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:02 pm CDT Jul 29, 2026
Forecast Valid: 4pm CDT Jul 29, 2026-6pm CDT Aug 4, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

N wind around 10 kt. Sunny. Waves around 1 ft.

Tonight

N wind 5 to 10 kt. Clear. Waves around 1 ft.

Thursday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Thursday Night

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

Friday

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

Friday Night

E wind 5 to 10 kt. Showers and possibly a thunderstorm before 4am, then showers likely. Waves 1 ft or less.

Saturday

E wind around 10 kt becoming NE in the afternoon. A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers after 10am. Waves 1 ft or less.

Saturday Night

NE wind around 10 kt. Partly cloudy. Waves 1 to 2 ft.

Sunday

N wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves around 2 ft.

The water temperature at St. Joseph is 51 degrees and at Michigan
City is 69 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.