NATIONAL WEATHER SERVICE MARQUETTE MI
9:15 PM Tuesday October 21
W2SYNOPSIS, HIGH PRESSURE OF 304 INCHES CENTERED EAST OF LAKE SUPERIOR TONIGHT WILL DRIFT EASTWARD ACROSS ONTARIO AND QUEBEC THROUGH THURSDAY AS AN ASSOCIATED RIDGE EXTENDS SOUTHWESTWARD ACROSS THE UPPER GREAT LAKES.W2 THE RIDGE WILL WEAKEN TO 300 INCHES WEDNESDAY NIGHT THROUGH FRIDAY.W2 MEANWHILE, 296 INCH LOW PRESSURE WILL TRACK NORTHWARD ACROSS THE NORTHERN PLAINS AND 294 INCH LOW PRESSURE OVER THE MID ATLANTIC STATES WILL MOVE TO NOVA SCOTIA.W2 ANOTHER LOW PRESSURE SYSTEM OF 294 INCHES WILL DEVELOP OVER NORTHERN MANITOBA ON FRIDAY AND PASS A 297 INCH TROUGH ACROSS LAKE SUPERIOR AS IT MOVES TO HUDSON BAY BY SATURDAY MORNING.W2 THIS LOW WILL EXPAND INTO QUEBEC BY LATE SATURDAY AS A HIGH PRESSURE RIDGE OF 301 INCHES BUILDS OVER THE NORTHERN PLAINS.W2 THE RIDGE WILL CROSS THE UPPER GREAT LAKES LATE SATURDAY NIGHT THROUGH SUNDAY WHILE BROAD 295 INCH LOW PRESSURE FORMS ACROSS THE NORTHERN PLAINS.W2 LSZ162-220915.W2 LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5 NORTHM.W2 rest of tonight, southeast winds 10 to 20 knots veering south after midnight.W2 waves 1 to 3 feet building to 2 to 4 feet.W2 wednesday, south winds 5 to 15 knots backing southeast by mid afternoon.W2 waves subsiding to calm to 2 feet.W2 wednesday night, south winds 10 to 20 knots diminishing to 5 to 15 knots after midnight.W2 a chance of showers.W2 waves building to 1 to 3 feet.W2 thursday, south winds 5 to 15 knots veering southwest by mid afternoon.W2 a chance of showers.W2 waves subsiding to calm to 2 feet.W2 thursday night, southwest winds 5 to 15 knots.W2 waves calm to 2 feet.W2 friday, southwest winds 5 to 15 knots.W2 waves calm to 2 feet.W2 friday night, southwest winds 10 to 20 knots veering west after midnight.W2 waves building to 1 to 3 feet.W2 saturday, west winds 10 to 20 knots diminishing to 5 to 15 knots.W2 waves subsiding to calm to 2 feet.W2 sunday, southeast winds 5 to 15 knots veering south.W2 waves calm to 2 feet.W2