NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
3:41 PM Thursday November 20
W2 OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF THE HIGHEST 1/10 OF THE WAVE SPECTRUM.W2 SYNOPSIS, LOW PRESSURE, AVERAGING INCHES, OVER WESTERN QUEBEC WILL TRACK TOWARD THE CANADIAN MARITIMES TONIGHT WHILE AN ASSOCIATED SURFACE TROUGH PASSES THROUGH THE EASTERN GREAT LAKES.W2 THEN HIGH PRESSURE, AVERAGING 3050 INCHES, WILL BUILD ACROSS THE OHIO VALLEY ON FRIDAY, AND TO THE EASTERN SEABOARD ON SATURDAY.W2 LHZ361-210915.W2 LAKE HURON FROM 5 NORTHM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NAUTICAL MILES OFF SHORE.W2 , gale warning in effect until 7 pm this evening, tonight, northwest winds 20 to 25 knots, becoming west 15 to 20 knots by late evening.W2 gusts to 35 knot gales.W2 scattered snow showers.W2 waves 4 to 6 feet.W2 waves occasionally around 8 feet.W2 friday, west winds 15 to 20 knots, diminishing to 10 to 15 knots late in the morning, then becoming southwest 15 to 20 knots by afternoon.W2 waves 2 to 4 feet.W2 friday night, southwest winds 15 to 20 knots.W2 waves 4 to 6 feet.W2 waves occasionally around 8 feet.W2 saturday, southwest winds 15 to 20 knots, diminishing to 10 to 15 knots by mid afternoon.W2 waves 4 to 6 feet.W2 saturday night, southwest winds 5 to 10 knots.W2 waves 3 to 5 feet, subsiding to 1 to 3 feet late.W2 waves occasionally around 8 feet.W2 sunday, south winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon, then becoming east 15 to 20 knots after midnight.W2 a chance of showers through late afternoon, then showers.W2 waves 1 to 3 feet, building to 4 to 6 feet.W2 waves occasionally around 8 feet.W2 monday, south winds 10 to 15 knots, becoming southwest 15 to 20 knots late.W2 showers early, then a chance of showers.W2 a chance of snow showers late.W2 waves 5 to 7 feet.W2 waves occasionally around 10 feet.W2 tuesday, southwest winds 15 to 20 knots, becoming west 10 to 15 knots.W2 a chance of showers late.W2 a chance of snow showers.W2 waves 3 to 5 feet, subsiding to 1 to 3 feet by late evening.W2