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Detroit/Pontiac, MI Local Forecast Office

4NM NNE Port Hope MI

Marine Zone Forecast

Tonight

South winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Cloudy with a slight chance of showers. Waves 2 to 4 feet.

Saturday

South winds 15 to 20 knots diminishing to 10 to 15 knots in the late morning and afternoon. Partly cloudy until late afternoon becoming cloudy. A chance of showers in the morning. A slight chance of thunderstorms. Light showers likely in the afternoon. Waves 2 to 4 feet.

Saturday Night

South winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and early morning, then increasing to 10 to 15 knots after midnight. Light showers and a chance of thunderstorms. Waves 1 to 3 feet.

Sunday

South winds 15 to 20 knots becoming west to 30 knots early in the afternoon. A chance of thunderstorms early in the morning. Rain showers. Waves 3 to 5 feet building to 5 to 7 feet early in the afternoon. Waves occasionally around 10 feet.

gales will be possible beyond the forecast period. Please refer to the open lakes forecast for more information.

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