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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Tonight

East winds 5 to 10 knots veering to the southeast early in the morning. Cloudy. A slight chance of showers in the evening. A slight chance of drizzle and patchy fog.

Friday

Southeast winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Mostly cloudy. A slight chance of drizzle and light freezing drizzle early in the morning. Patchy fog. A slight chance of showers early in the afternoon.

Friday Night

South winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Light rain and a chance of thunderstorms until early morning, then light rain likely after midnight.

Saturday

Southwest winds 15 to 20 knots. Gusts to 30 knots in the late morning and afternoon. Mostly cloudy. Light rain likely until late afternoon, then a chance of light rain early in the afternoon. A small craft advisory may be needed.

waves omitted due to ice coverage.

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