NATIONAL WEATHER SERVICE MARQUETTE MI
10:04 AM Tuesday September 2
W2SYNOPSIS, A 300 INCH HIGH PRESSURE OVER THE MID MISSISSIPPI RIVER VALLEY TODAY WILL SHIFT EAST INTO THE MID ATLANTIC STATES TONIGHT AND WEDNESDAY.W2 MEANWHILE, A 295 INCH LOW PRESSURE CENTER IN MONTANA WILL SHIFT EAST INTO THE DAKOTAS ON WEDNESDAY BEFORE MOVING NORTHEAST TO JAMES BAY BY FRIDAY MORNING.W2 AS THAT OCCURS, IT WILL DRAG A COLD FRONT AVERAGING 296 INCHES ACROSS THE UPPER GREAT LAKES ON THURSDAY NIGHT.W2 IN ITS WAKE, A 303 INCH HIGH PRESSURE SYSTEM WILL MOVE OVER THE NORTHERN PLAINS ON FRIDAY AND SHIFT EAST ACROSS THE GREAT LAKES REGION ON SATURDAY AND SUNDAY.W2 LSZ162-022215.W2 LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5 NORTHM.W2 rest of today, southwest winds 10 to 20 knots.W2 waves calm to 2 feet, then building to 1 to 3 feet.W2 tonight, southwest winds 5 to 15 knots.W2 a slight chance of thunderstorms through midnight.W2 a slight chance of showers.W2 waves subsiding to calm to 2 feet.W2 wednesday, southwest winds 5 to 15 knots backing south by mid afternoon.W2 a slight chance of showers and thunderstorms by mid afternoon.W2 waves calm to 2 feet.W2 wednesday night, east winds 5 to 15 knots.W2 patchy fog.W2 a chance of showers and thunderstorms.W2 waves calm to 2 feet.W2 thursday, south winds 5 to 15 knots veering southwest by mid afternoon.W2 patchy fog through early afternoon.W2 a chance of showers and thunderstorms.W2 waves calm to 2 feet.W2 thursday night, west winds 15 to 25 knots becoming northwest 20 to 30 knots after midnight.W2 waves building to 4 to 7 feet, then subsiding to 3 to 6 feet.W2 friday, northwest winds 15 to 25 knots becoming west 10 to 20 knots.W2 waves subsiding to calm to 2 feet.W2 saturday, west winds 10 to 20 knots diminishing to 5 to 15 knots.W2 waves calm to 2 feet.W2