For More Weather Information:

Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Today
High: 72 °F
⇑SE 25kt
1-3ft

Small Craft Advisory
Tonight
Low: 61 °F
W 20kt
6ft

Small Craft Advisory
Thursday
High: 69 °F
W 20kt⇓
6ft

Small Craft Advisory
Thursday Night
Low: 62 °F
W 15kt
1-2ft
Juneteenth
High: 70 °F
WNW 15kt
1-2ft
Friday Night
Low: 63 °F
⇑WSW 10kt
< 1ft
Saturday
High: 73 °F
W 10kt
< 1ft
Saturday Night
Low: 64 °F
Light Wind
< 1ft
Sunday
High: 71 °F
ENE 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: 10:19 am CDT Jun 17, 2026
Forecast Valid: 11am CDT Jun 17, 2026-6pm CDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

Today

S wind 10 to 15 kt becoming SE 20 to 25 kt in the afternoon. Winds could gust as high as 30 kt. Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could be severe and produce heavy rainfall. Waves 1 to 3 ft.

Tonight

SSE wind around 20 kt becoming W after midnight. Winds could gust as high as 30 kt. Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight. Some of the storms could be severe. Waves 2 ft building to 6 ft.

Thursday

W wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. A slight chance of showers before 8am. Waves 6 ft subsiding to 2 ft.

Thursday Night

W wind 5 to 15 kt. Mostly clear. Waves 1 to 2 ft.

Juneteenth

WNW wind 5 to 15 kt. Sunny. Waves 1 to 2 ft.

Friday Night

Variable winds less than 5 kt becoming WSW 5 to 10 kt after midnight. 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.

Sunday

ESE wind around 10 kt becoming ENE in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 67 degrees and at Michigan
City is 64 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.