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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Today
High: 67 °F
SSW 20kt
2-3ft

Small Craft Advisory
Tonight
Low: 54 °F
SSW 20kt
3-4ft

Small Craft Advisory
Monday
High: 66 °F
SW 15kt
1-3ft
Monday Night
Low: 58 °F
S 20kt
1-3ft
Tuesday
High: 67 °F
SSW 15kt
2-3ft
Tuesday Night
Low: 53 °F
SSW 15kt
1ft
Wednesday
High: 63 °F
SSW 15kt
1ft
Wednesday Night
Low: 53 °F
S 15kt
1-2ft
Thursday
High: 63 °F
SW 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: 11:30 am CDT Apr 12, 2026
Forecast Valid: 11am CDT Apr 12, 2026-6pm CDT Apr 18, 2026

View Nearby Observations

Detailed Forecast

Today

SSW wind 15 to 20 kt, with gusts as high as 30 kt. A slight chance of showers after 5pm. Waves 2 to 3 ft.

Tonight

SSW wind 15 to 20 kt. Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Waves 3 to 4 ft.

Monday

SW wind 10 to 15 kt. A slight chance of showers and thunderstorms after 4pm. Waves 1 to 3 ft.

Monday Night

S wind 10 to 20 kt. A slight chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Waves 1 to 3 ft.

Tuesday

SSW wind around 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Waves 2 to 3 ft.

Tuesday Night

SSW wind around 15 kt. Showers and possibly a thunderstorm. Waves around 1 ft.

Wednesday

SSW wind around 15 kt. Showers and possibly a thunderstorm. Waves around 1 ft.

Wednesday Night

S wind around 15 kt. Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Waves 1 to 2 ft.

Thursday

SW wind 10 to 15 kt. A chance of showers. Waves 1 to 2 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is and at Michigan City is
44 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.