Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

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: 528 PM EDT Wed Oct 7 2026




Through Early Evening: West winds 10 to 15 knots. Sunny. Waves 2 to 4 feet.

Tonight: West winds 10 to 15 knots becoming northwest 20 to 25 knots in the late evening and overnight. Mostly clear. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight.

Thursday: Northwest winds 10 to 20 knots. Sunny. Waves 3 to 5 feet.

Thursday Night: West winds 5 to 10 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight.

Friday: South winds 5 to 10 knots. Mostly sunny. Waves 1 to 2 feet.

Friday Night: Southeast winds 10 to 20 knots. Partly cloudy. Waves 1 to 2 feet.

Saturday: South winds 15 to 20 knots. Sunny. Waves 1 to 2 feet.

Sunday: Southeast winds 10 to 15 knots. Mostly cloudy. Waves 1 foot or less.

Columbus Day: West winds 10 to 15 knots. Mostly sunny. Waves 1 to 3 feet.







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

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