Coastal Waters Forecast for St Joseph to South Haven MI (LMZ844) (Text-Only)
NWS Forecast for: St Joseph to South Haven MI (LMZ844)
Issued by: National Weather Service Grand Rapids, MI
Last Update: 303 PM EST Mon Dec 29 2025




Through Early Evening: Northwest gales to 40 knots. Cloudy with a chance of snow showers. Waves 15 to 19 feet.

Tonight: Northwest gales to 40 knots decreasing to 30 knots after midnight. Cloudy. A chance of snow showers and a slight chance of light freezing rain in the evening, then a slight chance of light freezing rain and snow after midnight. Waves 13 to 17 feet subsiding to 9 to 13 feet after midnight.

Tuesday: West winds to 30 knots. Mostly cloudy with a chance of snow showers and light freezing rain. Freezing spray. Waves 7 to 11 feet.

Tuesday Night: West winds to 30 knots. Snow showers likely. Waves 6 to 9 feet.

Wednesday: Northwest winds to 30 knots becoming gales to 35 knots early in the afternoon. Cloudy with a chance of snow showers. Waves 7 to 11 feet.

Wednesday Night: Northwest gales to 35 knots decreasing to 30 knots in the late evening and overnight. Mostly cloudy with a chance of snow showers. Freezing spray. Waves 7 to 10 feet.

New Years Day: Northwest winds to 30 knots. Partly sunny. Freezing spray. Waves 6 to 8 feet.

Friday: West winds 15 to 25 knots. Partly sunny. Freezing spray. Waves 5 to 7 feet.

Saturday: Northwest winds around 15 knots. Partly sunny. Waves 2 to 4 feet.







Zone Forecast: St Joseph to South Haven MI (LMZ844)

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