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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Today
High: 72 °F
Light Wind
< 1ft
Tonight
Low: 64 °F
NE 10kt
< 1ft
Friday
High: 73 °F
E 10kt
< 1ft
Friday Night
Low: 65 °F
ESE 15kt
< 1ft
Saturday
High: 75 °F
SSE 15kt
< 1ft
Saturday Night
Low: 66 °F
W 10kt
< 1ft
Sunday
High: 70 °F
NE 15kt
2ft
Sunday Night
Low: 61 °F
ENE 15kt
1-2ft
Monday
High: 67 °F
E 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: 5:45 am CDT Sep 17, 2026
Forecast Valid: 9am CDT Sep 17, 2026-6pm CDT Sep 23, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and 1pm. Waves 1 ft or less.

Tonight

NE wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Friday

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

Friday Night

ESE wind 10 to 15 kt. A chance of showers after 1am. Waves 1 ft or less.

Saturday

SSE wind 10 to 15 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.

Saturday Night

SE wind around 10 kt becoming NW after midnight. Showers and possibly a thunderstorm. Waves 1 ft or less.

Sunday

NE wind 10 to 15 kt. A chance of showers. Waves around 2 ft.

Sunday Night

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

Monday

E 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 55 degrees and at Michigan
City is 51 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.