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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 61 °F
NNW 15kt
2-4ft

Small Craft Advisory
Monday
High: 73 °F
SE 10kt
1-2ft
Monday Night
Low: 68 °F
SSE 20kt
1-2ft
Tuesday
High: 80 °F
S 15kt
1-2ft
Tuesday Night
Low: 69 °F
WNW 10kt
< 1ft
Wednesday
High: 74 °F
NNE 10kt
1ft
Wednesday Night
Low: 71 °F
ENE 10kt
< 1ft
Thursday
High: 75 °F
NNE 10kt
< 1ft
Thursday Night
Low: 67 °F
N 10kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:01 pm CDT Sep 13, 2026
Forecast Valid: 7pm CDT Sep 13, 2026-6pm CDT Sep 20, 2026

View Nearby Observations

Detailed Forecast

Tonight

NNW wind 10 to 15 kt becoming E after midnight. Partly cloudy. Waves 2 to 4 ft.

Monday

SE wind 5 to 10 kt. Sunny. Waves 1 to 2 ft.

Monday Night

SSE wind 15 to 20 kt, with gusts as high as 25 kt. A slight chance of showers and thunderstorms after 4am. Waves 1 to 2 ft.

Tuesday

S wind 5 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.

Tuesday Night

WNW wind 5 to 10 kt becoming NNE after midnight. Showers likely and possibly a thunderstorm. Waves 1 ft or less.

Wednesday

NNE wind 5 to 10 kt. Showers likely, with thunderstorms also possible after 1pm. Waves around 1 ft.

Wednesday Night

ENE wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Waves 1 ft or less.

Thursday

NE wind 5 to 10 kt becoming N in the afternoon. A chance of showers, mainly before 1pm. Waves 1 ft or less.

Thursday Night

N wind 5 to 10 kt becoming ENE after midnight. A slight chance of showers. Waves around 1 ft.

*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.