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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Friday
High: 72 °F
ENE 10kt
< 1ft
Friday Night
Low: 62 °F
E 15kt
< 1ft
Saturday
High: 70 °F
SE 15kt
< 1ft
Saturday Night
Low: 64 °F
E 10kt
< 1ft
Sunday
High: 68 °F
ENE 15kt
1ft
Sunday Night
Low: 59 °F
ENE 20kt
1-2ft
Monday
High: 64 °F
ENE 15kt
1-2ft
Monday Night
Low: 57 °F
ENE 20kt
1-2ft
Tuesday
High: 64 °F
NE 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: 1:45 am CDT Sep 18, 2026
Forecast Valid: 3am CDT Sep 18, 2026-6pm CDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Friday

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

Friday Night

E wind 10 to 15 kt. A chance of showers before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Waves 1 ft or less.

Saturday

SE wind 10 to 15 kt. Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Waves 1 ft or less.

Saturday Night

E wind 5 to 10 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.

Sunday

ENE wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely, mainly before 1pm. Waves around 1 ft.

Sunday Night

ENE wind 15 to 20 kt. A chance of showers and thunderstorms. Waves 1 to 2 ft.

Monday

ENE wind around 15 kt, with gusts as high as 25 kt. A chance of showers. Waves 1 to 2 ft.

Monday Night

ENE wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers. Waves 1 to 2 ft.

Tuesday

NE wind around 15 kt, with gusts as high as 20 kt. A chance of showers. Waves around 1 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 54 degrees and at Michigan
City is 52 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.