NATIONAL WEATHER SERVICE MARQUETTE MI
3:42 PM Thursday October 30
W2SYNOPSIS, WEAK LOW PRESSURE OF 300 INCHES WILL DRIFT ACROSS THE UPPER GREAT LAKES THIS EVENING AND DEEPEN TO 298 INCHES BY FRIDAY MORNING AS IT REACHES THE LOWER GREAT LAKES.W2 IN ITS WAKE, 306 INCH HIGH PRESSURE STRETCHING FROM SOUTHERN CANADA THROUGH THE NORTHERN PLAINS WILL PUSH ACROSS THE UPPER GREAT LAKES FRIDAY NIGHT THROUGH SATURDAY WHILE WEAKENING TO 304 INCHES.W2 THE HIGH WILL MOVE EAST OF THE AREA ON SUNDAY AS A LOW PRESSURE TROUGH OF 296 INCHES FORMS OVER THE NORTHERN PLAINS.W2 THIS LOW WILL LIFT NORTHEAST INTO CANADA ON MONDAY WHILE SWEEPING A 298 INCH TROUGH ACROSS THE UPPER GREAT LAKES REGION ON MONDAY NIGHT THROUGH TUESDAY.W2 LSZ162-310345.W2 LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5 NORTHM.W2 , gale warning in effect from 8 pm /7 pm / this evening through friday morning, late this afternoon, northwest winds 15 to 25 knots.W2 isolated rain and snow showers.W2 waves 1 to 3 feet building to 2 to 4 feet.W2 tonight, north gales to 35 knots.W2 isolated snow showers, possibly mixed with rain in the evening.W2 waves building to 7 to 11 feet.W2 friday, north winds 15 to 25 knots diminishing to 5 to 15 knots by mid afternoon.W2 isolated snow showers through early afternoon.W2 waves subsiding to 5 to 8 feet, then building to 6 to 9 feet.W2 friday night, north winds 5 to 15 knots becoming south less than 10 knots after midnight.W2 waves subsiding to calm to 2 feet.W2 saturday, southwest winds 5 to 15 knots becoming south 10 to 20 knots by mid afternoon.W2 waves calm to 2 feet.W2 saturday night, south winds 10 to 20 knots.W2 waves building to 2 to 4 feet.W2 sunday, south winds 10 to 20 knots.W2 waves subsiding to 1 to 3 feet.W2 sunday night, south winds 10 to 20 knots.W2 waves 1 to 3 feet.W2 monday, south winds 10 to 20 knots veering west.W2 waves subsiding to calm to 2 feet, then building to 2 to 4 feet.W2 tuesday, west winds 15 to 25 knots diminishing to 10 to 20 knots.W2 waves subsiding to 1 to 3 feet.W2