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Northern Indiana Local Forecast Office

5NM NNW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 53 °F
Light Wind
1ft
Tonight
Low: 39 °F
SW 15kt
1ft
Wednesday
High: 42 °F
⇑NW 30kt
8ft

Small Craft Advisory
Wednesday Night
Low: 33 °F
NW 30kt
9ft

Small Craft Advisory
Thursday
High: 42 °F
WNW 15kt
5ft

Small Craft Advisory
Thursday Night
Low: 37 °F
⇑S 30kt
5ft
Friday
High: 45 °F
WSW 35kt
7-8ft
Friday Night
Low: 32 °F
WNW 20kt
4-6ft
Saturday
High: 45 °F
ESE 10kt
1-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:02 pm CDT Mar 10, 2026
Forecast Valid: 1pm CDT Mar 10, 2026-6pm CDT Mar 16, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 4pm. Areas of fog. Waves around 1 ft.

Tonight

E wind 5 to 15 kt becoming W after midnight. Showers and thunderstorms, mainly before 4am, then showers and possibly a thunderstorm after 4am. Areas of fog. Waves around 1 ft.

Wednesday

NW wind 10 to 20 kt increasing to 20 to 30 kt in the afternoon. Rain showers before 2pm, then a chance of rain and snow showers. Some thunder is also possible. Waves 1 ft building to 8 ft.

Wednesday Night

NW wind 20 to 30 kt. A slight chance of rain and snow showers before 7pm. Waves 9 ft subsiding to 6 ft.

Thursday

WNW wind 10 to 15 kt becoming SW in the afternoon. Sunny. Waves 5 ft subsiding to 2 ft.

Thursday Night

S wind 10 to 20 kt increasing to 20 to 30 kt. Winds could gust as high as 45 kt. Showers likely, mainly after 1am. Waves 1 ft building to 5 ft.

Friday

SW wind 30 to 35 kt becoming WNW in the afternoon. Winds could gust as high as 45 kt. A slight chance of showers before 1pm. Waves 7 to 8 ft.

Friday Night

WNW wind 10 to 20 kt becoming N after midnight. Mostly cloudy. Waves 4 to 6 ft.

Saturday

ENE wind around 10 kt becoming SE in the afternoon. A slight chance of snow before 1pm, then a chance of rain and snow. Waves 1 to 3 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.