NATIONAL WEATHER SERVICE MARQUETTE MI
10:11 AM Saturday January 31
W2SYNOPSIS, A 305 INCH HIGH PRESSURE AREA STRETCHING FROM QUEBEC INTO THE LOWER MISSISSIPPI VALLEY WILL MOVE SOUTHEAST AND BECOME CENTERED OVER THE CAROLINA COAST TONIGHT.W2 A 301 INCH TROUGH OF LOW PRESSURE OVER WESTERN LAKE SUPERIOR WILL MOVE ACROSS LAKE SUPERIOR AND INTO SOUTHEASTERN ONTARIO BY THIS AFTERNOON.W2 A LARGE 309 INCH HIGH PRESSURE ACROSS WESTERN AND CENTRAL CANADA TODAY WILL SETTLE ACROSS THE NORTHERN AND CENTRAL PLAINS STATES AT 306 INCHES SUNDAY INTO SUNDAY NIGHT.W2 EXPECT A 305 INCH RIDGE EXTENDING FROM THIS HIGH ACROSS LAKE SUPERIOR SUNDAY MORNING TO SLOWLY WEAKEN TO 302 INCHES BY MONDAY AFTERNOON AS THE AREA OF HIGH PRESSURE DRIFTS ACROSS THE OHIO VALLEY, AND THEN THE MID ATLANTIC STATES TUESDAY.W2 A 299 INCH TROUGH WILL THEN CROSS THE UPPER GREAT LAKES ON TUESDAY.W2 LSZ162-312315.W2 LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5 NORTHM.W2 rest of today, north winds 10 to 20 knots.W2 isolated snow showers.W2 waves calm to 2 feet building to 1 to 3 feet.W2 tonight, northeast winds 15 to 25 knots.W2 a chance of snow showers.W2 waves building to 3 to 5 feet, then subsiding to 2 to 4 feet.W2 sunday, north winds 15 to 25 knots diminishing to 10 to 20 knots in the afternoon.W2 a slight chance of snow showers.W2 waves subsiding to 1 to 3 feet.W2 sunday night, north winds 10 to 20 knots backing northwest after midnight.W2 waves subsiding to calm to 2 feet.W2 monday, west winds 10 to 20 knots becoming southwest 15 to 25 knots in the afternoon.W2 waves building to 3 to 5 feet.W2 monday night, southwest winds 15 to 25 knots veering west after midnight.W2 waves subsiding to 1 to 3 feet.W2 tuesday, west winds 5 to 15 knots becoming northwest 10 to 20 knots.W2 a chance of snow showers.W2 waves subsiding to calm to 2 feet, then building to 1 to 3 feet.W2 wednesday, northwest winds 20 to 30 knots diminishing to 15 to 25 knots.W2 a chance of snow showers.W2 waves building to 2 to 4 feet, then subsiding to calm to 2 feet.W2