Last Update: 347 PM EDT Mon May 18 2026

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Northern Indiana Local Forecast Office

5NM W New Buffalo MI

Marine Zone Forecast

Tonight
South winds 10 to 15 knots increasing to 15 to 20 knots. A few gusts up to 25 knots. A slight chance of showers and thunderstorms this evening. Waves 1 to 3 feet.
Tuesday
South winds 15 to 20 knots becoming southwest. A few gusts up to 25 knots. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet.
Tuesday Night
West winds 10 to 15 knots becoming north. Showers likely with a chance of thunderstorms in the evening, then a chance of showers overnight. Waves 2 to 3 feet.
Wednesday
North winds 10 to 15 knots. Mostly sunny. Waves 2 to 4 feet.

winds and waves higher in and near thunderstorms.

the water temperature at st. Joseph is 55 degrees and at michigan city is 53 degrees.



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347 PM EDT Mon May 18 2026
 
 

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