Last Update: 1224 AM EDT Mon Apr 13 2026

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Northern Indiana Local Forecast Office

8NM WSW Saint Joseph MI

Marine Zone Forecast

Overnight
Southwest winds 15 to 25 knots. Gusts up to 30 knots. A few gusts to 35 knot gales early. Showers with a slight chance of thunderstorms after midnight, then a chance of showers with a slight chance of thunderstorms late. Waves 3 to 5 feet.
Monday
Southwest winds 15 to 20 knots diminishing to 10 to 15 knots. Gusts up to 25 knots early morning. A slight chance of showers and thunderstorms in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet.
Monday Night
South winds 10 to 15 knots becoming southwest 15 to 20 knots. Gusts up to 25 knots. A chance of showers and thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet.
Tuesday
Southwest winds 15 to 20 knots diminishing to 10 to 15 knots. Gusts up to 25 knots. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet.

winds and waves higher in and near thunderstorms.

the water temperature at st. Joseph is 44 degrees and at michigan city is 44 degrees.



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1224 AM EDT Mon Apr 13 2026
 
 

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