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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 61 °F
W 25kt
6ft

Small Craft Advisory
Thursday
High: 70 °F
WNW 25kt⇓
7ft

Small Craft Advisory
Thursday Night
Low: 63 °F
W 10kt
1-2ft
Juneteenth
High: 70 °F
NW 15kt
1-2ft
Friday Night
Low: 63 °F
⇑SW 10kt
< 1ft
Saturday
High: 72 °F
WSW 10kt
< 1ft
Saturday Night
Low: 64 °F
Light Wind
< 1ft
Sunday
High: 72 °F
NE 10kt
< 1ft
Sunday Night
Low: 62 °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: 8:48 pm CDT Jun 17, 2026
Forecast Valid: 9pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026

View Nearby Observations

Detailed Forecast

Tonight

W wind 15 to 25 kt. Mostly cloudy, then gradually becoming mostly clear. Waves 2 ft building to 6 ft.

Thursday

WNW wind 15 to 25 kt decreasing to 5 to 15 kt in the afternoon. Mostly sunny. Waves 7 ft subsiding to 2 ft.

Thursday Night

W wind 5 to 10 kt. Mostly clear. Waves 1 to 2 ft.

Juneteenth

NW wind 5 to 15 kt. Sunny. Waves 1 to 2 ft.

Friday Night

Variable winds less than 5 kt becoming SW 5 to 10 kt after midnight. A slight chance of showers after 1am. Waves 1 ft or less.

Saturday

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

Saturday Night

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

Sunday

E wind 5 to 10 kt becoming NE in the afternoon. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Sunday Night

NE wind around 15 kt, with gusts as high as 25 kt. Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Waves around 1 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 67 degrees and at Michigan
City is 64 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.