NATIONAL WEATHER SERVICE MARQUETTE MI
10:01 AM Thursday September 18
W2SYNOPSIS, HIGH PRESSURE AT 303 INCHES NORTHEAST OF LAKE SUPERIOR WILL MOVE TO NEW ENGLAND ON FRIDAY BEFORE A 295 INCH TROUGH TRACKS INTO NORTHWEST ONTARIO LATE FRIDAY.W2 ANOTHER AREA OF LOW PRESSURE AVERAGING 296 INCHES WILL DEVELOP OVER THE NORTHERN PLAINS FRIDAY NIGHT.W2 THIS LOW WILL DEEPEN TO 295 INCHES AS IT SHIFTS OVER THE UPPER GREAT LAKES REGION LATE SATURDAY INTO SATURDAY NIGHT AND THEN INTO QUEBEC ON SUNDAY.W2 AS THE LOW SHIFTS INTO NORTHEASTERN QUEBEC SUNDAY NIGHT INTO MONDAY, HIGH PRESSURE OF 302 INCHES WILL BUILD ACROSS THE NORTHERN PLAINS AND INTO THE UPPER GREAT LAKES REGION.W2 LSZ162-182215.W2 LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5 NORTHM.W2 rest of today, east winds 10 to 20 knots.W2 waves 1 to 3 feet.W2 tonight, east winds 5 to 15 knots veering south after midnight.W2 a slight chance of showers after midnight.W2 waves building to 2 to 4 feet.W2 friday, south winds 15 to 25 knots veering southwest by mid afternoon.W2 a chance of showers through early afternoon.W2 a slight chance of thunderstorms.W2 showers likely by mid afternoon.W2 waves subsiding to 1 to 3 feet.W2 friday night, southwest winds 5 to 15 knots.W2 a chance of showers and thunderstorms.W2 waves subsiding to calm to 2 feet.W2 saturday, west winds 5 to 15 knots increasing to 10 to 20 knots by mid afternoon.W2 a chance of showers and thunderstorms.W2 waves calm to 2 feet.W2 saturday night, west winds 10 to 20 knots.W2 a chance of showers.W2 waves building to 1 to 3 feet, then subsiding to calm to 2 feet.W2 sunday, northwest winds 10 to 20 knots veering north.W2 waves calm to 2 feet.W2 monday, northwest winds 10 to 20 knots becoming west 5 to 15 knots.W2 waves calm to 2 feet.W2