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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Rest Of Tonight

Southeast winds 15 to 20 knots veering to the southwest early in the morning. Rain. Waves 3 to 5 feet. Waves occasionally around 7 feet.

Friday

West winds 20 to 25 knots becoming north to 30 knots with gusts to 35 knot gales early in the afternoon. A slight chance of light rain early in the morning, then light rain likely in the late morning and early afternoon. Light rain early in the afternoon. A slight chance of waterspouts early in the afternoon. Waves 3 to 5 feet building to 8 to 12 feet early in the afternoon. Waves occasionally around 15 feet.

Friday Night

North gales to 35 knot gales diminishing to 30 knots after midnight. Light rain early in the evening, then light rain likely in the late evening and early morning. Waves 10 to 14 feet. Waves occasionally around 18 feet.

Saturday

North winds 20 to 25 knots becoming northwest 15 to 20 knots in the late morning and early afternoon, then becoming west 10 to 15 knots early in the afternoon. Partly cloudy early in the morning then clearing. Waves 6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally around 12 feet.

see lake huron open lake forecast for days 3 through 5.