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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Today
High: 46 °F
NNE 10kt
1ft
Tonight
Low: 45 °F
SE 15kt
1ft
Saturday
High: 59 °F
S 15kt
1-2ft
Saturday Night
Low: 38 °F
W 20kt
3-5ft
Sunday
High: 44 °F
WNW 20kt⇓
6ft
Sunday Night
Low: 39 °F
WSW 10kt
1-2ft
Monday
High: 44 °F
WNW 15kt
2ft
Monday Night
Low: 33 °F
⇑N 25kt
9ft
Tuesday
High: 39 °F
N 20kt⇓
8ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:46 am CDT Apr 3, 2026
Forecast Valid: 11am CDT Apr 3, 2026-6pm CDT Apr 9, 2026

View Nearby Observations

Detailed Forecast

Today

WNW wind 5 to 10 kt becoming NNE in the afternoon. Partly sunny. Waves around 1 ft.

Tonight

NE wind 10 to 15 kt becoming SSE after midnight. Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Waves around 1 ft.

Saturday

S wind around 15 kt becoming WSW in the afternoon. Showers and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 4pm. Waves 1 to 2 ft.

Saturday Night

W wind 15 to 20 kt, with gusts as high as 25 kt. Mostly cloudy. Waves 3 to 5 ft.

Sunday

WNW wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Partly sunny. Waves 6 ft subsiding to 3 ft.

Sunday Night

WSW wind 5 to 10 kt. Partly cloudy. Waves 1 to 2 ft.

Monday

WNW wind 10 to 15 kt. Mostly sunny. Waves around 2 ft.

Monday Night

N wind 15 to 20 kt increasing to 20 to 25 kt in the evening. Mostly cloudy. Waves 2 ft building to 9 ft.

Tuesday

N wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Mostly sunny. Waves 8 ft subsiding to 3 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 43 degrees and at Michigan
City is 42 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.