NATIONAL WEATHER SERVICE MARQUETTE MI
9:47 PM Monday February 20
W2SYNOPSIS, A 294 INCH LOW PRESSURE OVER FAR NORTHWEST ONTARIO LATE THIS EVENING WILL DEEPEN TO 291 INCHES AS IT DRIFTS ACROSS SOUTHERN HUDSON BAY THROUGH TUESDAY NIGHT.W2 THIS LOW WILL DRIVE A 296 INCH TROUGH ACROSS LAKE SUPERIOR TONIGHT.W2 A LOW PRESSURE OF 295 INCHES OVER THE DAKOTAS TUESDAY NIGHT WILL CROSS THE UPPER GREAT LAKES WEDNESDAY NIGHT, THEN REACH QUEBEC THURSDAY EVENING.W2 IN ITS WAKE, A 300 INCH HIGH PRESSURE RIDGE WILL BUILD OVER THE UPPER GREAT LAKES THURSDAY AS LOW PRESSURE OF 292 INCHES ORGANIZES OVER THE CENTRAL PLAINS.W2 THIS LOW WILL TRACK NORTHEAST, REACHING LAKE MICHIGAN FRIDAY EVENING AND WESTERN QUEBEC SATURDAY AFTERNOON.W2 LSZ162-211100.W2 LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5 NORTHM.W2 rest of tonight, southwest winds 10 to 20 knots becoming west 15 to 25 knots after midnight.W2 numerous rain showers and isolated thunderstorms, ending overnight.W2 isolated thunderstorms.W2 waves 3 to 5 feet.W2 tuesday, southwest winds 10 to 20 knots diminishing to 5 to 15 knots in the afternoon.W2 isolated rain showers in the afternoon.W2 waves subsiding to calm to 2 feet.W2 tuesday night, southwest winds 5 to 15 knots veering west after midnight.W2 a slight chance of rain in the evening.W2 patchy fog.W2 waves calm to 2 feet.W2 wednesday, west winds 5 to 15 knots veering northeast in the afternoon.W2 a slight chance of rain in the morning, then rain likely in the afternoon.W2 waves calm to 2 feet.W2 wednesday night, northeast winds 10 to 20 knots becoming north 15 to 25 knots after midnight.W2 rain likely in the evening.W2 a chance of rain after midnight.W2 a chance of snow.W2 waves calm to 2 feet.W2 thursday, north winds 10 to 20 knots diminishing to 5 to 15 knots in the afternoon.W2 waves calm to 2 feet.W2 thursday night, northeast winds 5 to 15 knots increasing to 15 to 25 knots after midnight.W2 waves building to 2 to 4 feet.W2 friday, northeast winds 20 to 30 knots veering north.W2 a chance of snow.W2 freezing spray.W2 waves building to 6 to 9 feet, then subsiding to 4 to 7 feet.W2 saturday, north winds 20 to 30 knots becoming northwest 15 to 25 knots.W2 freezing spray.W2 a chance of snow.W2 waves subsiding to calm to 2 feet.W2