NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
9:49 AM Saturday September 20
W2 OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF THE HIGHEST 1/10 OF THE WAVE SPECTRUM.W2 SYNOPSIS, LOW PRESSURE, AVERAGING INCHES, ALONG THE NORTH SHORE OF LAKE SUPERIOR TODAY WILL PULL A COLD FRONT THROUGH LAKE HURON AND LOWER MICHIGAN TODAY AND TONIGHT.W2 SHOWERS AND STRONG THUNDERSTORMS WILL BE POSSIBLE ALONG AND AHEAD OF THIS FRONT, FOLLOWEDNESDAY BY A STRONGER COLD FRONT SUNDAY.W2 THERE WILL BE A CHANCE FOR MORE THUNDERSTORMS SUNDAY INTO SUNDAY EVENING BEFORE THE WIND TURNS FROM THE NORTH AND BRINGS COOLER AND LESS HUMID AIR BACK INTO THE REGION.W2 THE NORTHERLY FLOW WILL BUILD WAVES OVER THE SOUTH HALF OF LAKE HURON UNTIL HIGH PRESSURE SETTLES IN FOR THE MIDDLE OF THE WEEK.W2 LHZ361-202000.W2 LAKE HURON FROM 5 NORTHM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NAUTICAL MILES OFF SHORE.W2 rest of today, southwest winds 10 to 15 knots.W2 showers by late morning.W2 a chance of thunderstorms.W2 showers likely by mid afternoon.W2 waves 4 to 6 feet.W2 waves occasionally around 8 feet.W2 tonight, west winds 5 to 10 knots through midnight, becoming light and variable overnight.W2 a chance of showers early in the evening.W2 a chance of showers after midnight.W2 a chance of thunderstorms late.W2 waves 3 to 5 feet, subsiding to 1 to 3 feet after midnight.W2 sunday, northeast winds 5 to 10 knots, becoming north 10 to 15 knots by afternoon.W2 showers likely.W2 waves 1 to 3 feet.W2 sunday night, north winds 10 to 15 knots, diminishing to 5 to 10 knots late.W2 a chance of showers.W2 waves 1 to 3 feet.W2 monday, north winds 5 to 10 knots, becoming west 10 to 15 knots.W2 waves 1 to 3 feet.W2 tuesday, northwest winds 5 to 10 knots, veering to the north in the afternoon, then backing to the northwest late, backing to the south after midnight.W2 waves 2 feet or less.W2 wednesday, southeast winds 5 to 10 knots.W2 waves 2 feet or less.W2