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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 85 °F
Light Wind
< 1ft
Tonight
Low: 74 °F
Light Wind
< 1ft
Saturday
High: 80 °F
N 10kt
< 1ft
Saturday Night
Low: 69 °F
NNE 10kt
< 1ft
Sunday
High: 79 °F
N 10kt
< 1ft
Sunday Night
Low: 68 °F
NNE 10kt
< 1ft
Labor Day
High: 80 °F
Light Wind
< 1ft
Monday Night
Low: 70 °F
SE 10kt
< 1ft
Tuesday
High: 82 °F
S 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:31 am CDT Sep 4, 2026
Forecast Valid: 12pm CDT Sep 4, 2026-6pm CDT Sep 10, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly between 9pm and 4am. Waves 1 ft or less.

Saturday

N wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Saturday Night

NNE wind around 10 kt becoming E after midnight. Partly cloudy. Waves 1 ft or less.

Sunday

E wind 5 to 10 kt becoming N in the afternoon. Sunny. Waves 1 ft or less.

Sunday Night

NNE wind 5 to 10 kt becoming ESE after midnight. Partly cloudy. Waves 1 ft or less.

Labor Day

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

Monday Night

ENE wind 5 to 10 kt becoming SE after midnight. Mostly cloudy. Waves 1 ft or less.

Tuesday

S wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 61 degrees and at Michigan
City is 55 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.