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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 49 °F
N 10kt
3ft
Tonight
Low: 46 °F
N 10kt
1-2ft
Sunday
High: 63 °F
ENE 10kt
< 1ft
Sunday Night
Low: 51 °F
ESE 15kt
< 1ft
Monday
High: 69 °F
SE 20kt
1ft
Monday Night
Low: 50 °F
SSE 20kt
2-3ft
Tuesday
High: 57 °F
WSW 15kt
1-3ft
Tuesday Night
Low: 46 °F
NNW 10kt
< 1ft
Wednesday
High: 51 °F
NNW 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:02 pm CDT Apr 25, 2026
Forecast Valid: 4pm CDT Apr 25, 2026-6pm CDT May 1, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

N wind around 10 kt. Mostly sunny. Waves around 3 ft.

Tonight

N wind 5 to 10 kt becoming E after midnight. Partly cloudy. Waves 1 to 2 ft.

Sunday

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

Sunday Night

ESE wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Monday

SE wind 15 to 20 kt, with gusts as high as 30 kt. Showers likely and possibly a thunderstorm, mainly after 4pm. Waves around 1 ft.

Monday Night

SSE wind around 20 kt becoming SSW after midnight. Winds could gust as high as 30 kt. Showers and possibly a thunderstorm before 1am, then a chance of showers. Some of the storms could produce heavy rainfall. Waves 2 to 3 ft.

Tuesday

WSW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 to 3 ft.

Tuesday Night

WNW wind 5 to 10 kt becoming N after midnight. A slight chance of showers. Waves 1 ft or less.

Wednesday

NNW wind 10 to 15 kt. Mostly sunny. Waves 1 to 2 ft.

The water temperature at St. Joseph and at Michigan City is 49
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.