Harbor Beach To Port Sanilac Mi-
Southwest winds 5 to 10 knots. Mostly sunny. Waves around 2 feet or less.
South winds 5 to 10 knots increasing to 10 to 15 knots in the late evening and overnight. Mostly clear. A slight chance of showers and thunderstorms early in the morning. Waves around 2 feet or less.
Southwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and afternoon. Partly cloudy until late afternoon becoming mostly cloudy. A chance of showers and thunderstorms in the afternoon. Waves around 2 feet or less.
Southwest winds 5 to 10 knots becoming south 10 to 15 knots after midnight. Mostly cloudy. Showers and thunderstorms likely...mainly after midnight. Waves around 2 feet or less. See Lake Huron Open Lake forecast for days 3 through 5.