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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 69 °F
S 10kt
< 1ft
Tonight
Low: 55 °F
S 10kt
< 1ft
Friday
High: 64 °F
S 15kt
1ft
Friday Night
Low: 44 °F
NNW 10kt
1-2ft
Saturday
High: 52 °F
NNW 10kt
2-3ft
Saturday Night
Low: 45 °F
N 10kt
1-3ft
Sunday
High: 61 °F
E 10kt
< 1ft
Sunday Night
Low: 50 °F
ESE 15kt
< 1ft
Monday
High: 65 °F
ESE 20kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:30 pm CDT Apr 23, 2026
Forecast Valid: 3pm CDT Apr 23, 2026-6pm CDT Apr 29, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

S wind around 10 kt. Mostly sunny. Waves 1 ft or less.

Tonight

S wind around 10 kt. A chance of showers and thunderstorms, mainly after 4am. Waves 1 ft or less.

Friday

S wind 10 to 15 kt becoming W in the afternoon. A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Waves around 1 ft.

Friday Night

WNW wind around 10 kt becoming NNW after midnight. A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Waves 1 to 2 ft.

Saturday

NNW wind around 10 kt. Mostly sunny. Waves 2 to 3 ft.

Saturday Night

N wind around 10 kt becoming E after midnight. Partly cloudy. Waves 1 to 3 ft.

Sunday

E wind around 10 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

ESE wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Monday

ESE wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves around 1 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 50 degrees and at Michigan
City is 47 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.