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Grand Rapids, MI Local Forecast Office

12NM SSW Pentwater MI

Marine Zone Forecast

Through Early Evening

Northwest gales to 35 knots. Sunny. Waves 6 to 9 feet.

Tonight

Northwest winds to 30 knots decreasing to 10 to 20 knots after midnight. Mostly clear. Waves 5 to 7 feet.

Thursday

Northwest winds 10 to 15 knots backing southwest in the late morning and early afternoon, then backing south 15 to 25 knots early in the afternoon. Mostly sunny. Waves 2 to 4 feet.

Thursday Night

South winds to 30 knots increasing to gales to 40 knots in the late evening and overnight. Cloudy with a chance of rain showers. Waves 4 to 6 feet building to 9 to 13 feet in the late evening and overnight.

Friday

Southwest winds to 30 knots veering west early in the afternoon. Partly sunny with a chance of rain showers. Waves 8 to 12 feet subsiding to 6 to 9 feet in the late morning and afternoon.

Friday Night

Northwest winds to 30 knots veering north 15 to 20 knots after midnight. Mostly cloudy with a chance of rain showers. Waves 5 to 7 feet.

Saturday

North winds 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet.

Sunday

North winds to 30 knots backing northwest gales to 40 knots in the late morning and afternoon. Snow showers likely. Waves 7 to 10 feet.

Monday

Northwest gales to 35 knots. Mostly cloudy with a chance of snow showers. Waves 7 to 10 feet.