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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Sunday
High: 72 °F
NNW 15kt
3-4ft

Small Craft Advisory
Sunday Night
Low: 61 °F
NNW 15kt
2-3ft

Small Craft Advisory
Monday
High: 72 °F
ESE 10kt
1-2ft
Monday Night
Low: 68 °F
SSE 20kt
1-2ft
Tuesday
High: 78 °F
S 15kt
1-2ft
Tuesday Night
Low: 68 °F
N 10kt
1ft
Wednesday
High: 72 °F
NE 10kt
1-2ft
Wednesday Night
Low: 69 °F
E 10kt
< 1ft
Thursday
High: 76 °F
W 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: 4:01 am CDT Sep 13, 2026
Forecast Valid: 4am CDT Sep 13, 2026-6pm CDT Sep 19, 2026

View Nearby Observations

Detailed Forecast

Sunday

NNW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers, mainly between 4pm and 5pm. Waves 3 to 4 ft.

Sunday Night

NNW wind 5 to 15 kt becoming E after midnight. Mostly clear. Waves 2 to 3 ft.

Monday

ESE 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 chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Waves 1 to 2 ft.

Tuesday

S wind 10 to 15 kt becoming W in the afternoon. Winds could gust as high as 25 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

NNW wind 5 to 10 kt becoming NNE after midnight. Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Waves around 1 ft.

Wednesday

NE wind 5 to 10 kt. A chance of showers and thunderstorms. Waves 1 to 2 ft.

Wednesday Night

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

Thursday

SE wind around 10 kt becoming NW in the afternoon. Showers likely and possibly a thunderstorm before 1pm, then a 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.