Coastal Waters Forecast for New Buffalo MI to St Joseph MI (LMZ043) (Text-Only)
NWS Forecast for: New Buffalo MI to St Joseph MI (LMZ043)
Issued by: National Weather Service Northern Indiana
Last Update: 350 AM EDT Mon Apr 13 2026
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Today: Southwest winds 15 to 20 knots diminishing to 10 to 15 knots. Gusts up to 30 knots early morning. A slight chance of showers and thunderstorms late. Waves 3 to 5 feet subsiding to 1 to 3 feet by late morning.

Tonight: South winds 10 to 15 knots becoming southwest 15 to 20 knots. A few gusts to 25 knots. Showers likely with a chance of thunderstorms in the evening, then a chance of showers and thunderstorms overnight. Waves 1 to 3 feet building to 2 to 4 feet.

Tuesday: Southwest winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of showers and thunderstorms in the morning, then a chance of showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet.

Tuesday Night: Southwest winds 10 to 15 knots. Showers with a chance of thunderstorms. Waves 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.







Zone Forecast: New Buffalo MI to St Joseph MI (LMZ043)

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