


Pentwater to Manistee MI Marine Forecast
Updated 3:36am EDT Aug 27, 2026
Rest Of Tonight
Northwest winds 10 to 15 knots. Mostly clear.
Thursday
Northwest winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet.
Thursday Night
Northeast winds 5 to 15 knots veering east after midnight. Mostly clear. Waves 1 to 3 feet.
Friday
East winds 5 to 10 knots backing northwest 10 to 15 knots early in the afternoon. Mostly sunny. Waves 1 foot or less.
Friday Night
Northeast winds 5 to 15 knots veering south in the late evening and overnight. Partly cloudy. Waves around 1 foot.
Saturday
South winds 15 to 25 knots. Partly sunny. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon.
Sunday
South winds to 30 knots. Mostly cloudy with a chance of rain showers. Waves 5 to 7 feet.
Monday
South winds 10 to 20 knots. Partly sunny with rain showers likely. Waves 3 to 5 feet.