For More Weather Information:

Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 62 °F
W 15kt
2-3ft

Small Craft Advisory
Wednesday
High: 71 °F
⇑SSE 20kt
1-2ft
Wednesday Night
Low: 61 °F
W 20kt
2-4ft
Thursday
High: 69 °F
W 25kt⇓
5ft
Thursday Night
Low: 61 °F
W 15kt
1-2ft
Juneteenth
High: 70 °F
WNW 15kt⇓
1-2ft
Friday Night
Low: 63 °F
W 10kt
< 1ft
Saturday
High: 72 °F
W 10kt
< 1ft
Saturday Night
Low: 63 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:32 pm CDT Jun 16, 2026
Forecast Valid: 8pm CDT Jun 16, 2026-6pm CDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

Tonight

W wind 10 to 15 kt, with gusts as high as 20 kt. Partly cloudy. Waves 2 to 3 ft.

Wednesday

SW wind 10 to 15 kt becoming SSE 15 to 20 kt in the afternoon. Winds could gust as high as 30 kt. Showers, with thunderstorms also possible after 1pm. Some of the storms could be severe and produce heavy rainfall. Waves 1 to 2 ft.

Wednesday Night

SE wind 15 to 20 kt becoming W after midnight. Winds could gust as high as 25 kt. Showers and possibly a thunderstorm, mainly before 10pm. Some of the storms could be severe. Waves 2 to 4 ft.

Thursday

W wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Partly sunny. Waves 5 ft subsiding to 2 ft.

Thursday Night

W wind 10 to 15 kt. Mostly clear. Waves 1 to 2 ft.

Juneteenth

WNW wind 10 to 15 kt decreasing to 5 to 10 kt in the afternoon. Sunny. Waves 1 to 2 ft.

Friday Night

NW wind 5 to 10 kt becoming W in the evening. Mostly clear. Waves 1 ft or less.

Saturday

W wind 5 to 10 kt. Sunny. Waves 1 ft or less.

Saturday Night

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

*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.