Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Hazardous Weather Conditions

Small Craft Advisory until May 13, 10:00 PM CDT

For More Weather Information:

Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 46 °F
SW 20kt
3-4ft

Small Craft Advisory
Wednesday
High: 52 °F
NNW 20kt
4-5ft

Small Craft Advisory
Wednesday Night
Low: 45 °F
NNW 15kt
2-3ft

Small Craft Advisory
Thursday
High: 56 °F
NNW 10kt
1-2ft
Thursday Night
Low: 48 °F
SSE 10kt
< 1ft
Friday
High: 68 °F
S 15kt
1ft
Friday Night
Low: 55 °F
S 10kt
1ft
Saturday
High: 74 °F
WSW 10kt
< 1ft
Saturday Night
Low: 56 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:31 pm CDT May 12, 2026
Forecast Valid: 9pm CDT May 12, 2026-6pm CDT May 19, 2026

View Nearby Observations

Detailed Forecast

Tonight

SW wind 15 to 20 kt becoming NW after midnight. Winds could gust as high as 25 kt. Showers likely and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 11pm. Waves 3 to 4 ft.

Wednesday

NNW wind 15 to 20 kt, with gusts as high as 25 kt. A slight chance of sprinkles. Waves 4 to 5 ft.

Wednesday Night

NNW wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of sprinkles before 11pm. Waves 2 to 3 ft.

Thursday

NNW wind 5 to 10 kt. Sunny. Waves 1 to 2 ft.

Thursday Night

NE wind 5 to 10 kt becoming SSE after midnight. Partly cloudy. Waves 1 ft or less.

Friday

S wind around 15 kt, with gusts as high as 25 kt. A chance of showers, mainly before 1pm. Waves around 1 ft.

Friday Night

S wind around 10 kt. A slight chance of showers and thunderstorms, then a chance of showers after 1am. Waves around 1 ft.

Saturday

WSW wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 47 degrees and at Michigan
City is 51 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.