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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Today
High: 46 °F
WNW 20kt⇓
7ft

Small Craft Advisory
Tonight
Low: 39 °F
WSW 10kt
1-2ft
Monday
High: 45 °F
NW 15kt
2-3ft
Monday Night
Low: 29 °F
N 20kt
5-7ft
Tuesday
High: 38 °F
NNE 10kt
5ft
Tuesday Night
Low: 35 °F
SSE 15kt
1ft
Wednesday
High: 59 °F
S 20kt
1-2ft
Wednesday Night
Low: 50 °F
S 25kt
2-4ft
Thursday
High: 59 °F
SW 20kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:00 am CDT Apr 5, 2026
Forecast Valid: 6am CDT Apr 5, 2026-6pm CDT Apr 11, 2026

View Nearby Observations

Detailed Forecast

Today

WNW wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Cloudy, then gradually becoming mostly sunny. Waves 7 ft subsiding to 3 ft.

Tonight

WSW wind 5 to 10 kt. A chance of rain, mainly after 1am. Waves 1 to 2 ft.

Monday

NW wind around 15 kt, with gusts as high as 20 kt. Partly sunny. Waves 2 to 3 ft.

Monday Night

N wind 15 to 20 kt, with gusts as high as 25 kt. Mostly cloudy. Waves 5 to 7 ft.

Tuesday

NNE wind 5 to 10 kt. Mostly sunny. Waves 5 ft subsiding to 2 ft.

Tuesday Night

NE wind 5 to 15 kt becoming SSE after midnight. Mostly cloudy. Waves around 1 ft.

Wednesday

S wind 15 to 20 kt. Mostly cloudy. Waves 1 to 2 ft.

Wednesday Night

S wind 20 to 25 kt, with gusts as high as 30 kt. A chance of showers. Waves 2 to 4 ft.

Thursday

SW wind 10 to 20 kt. A chance of showers. Waves 2 to 3 ft.

The water temperature at St. Joseph is 46 degrees and at Michigan
City is 43 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.