3:58 PM Saturday April 29
W2 SYNOPSIS, A 304 INCH RIDGE OVER THE UPPER GREAT LAKES TONIGHT WILL MOVE OVER EASTERN ONTARIO AND WESTERN QUEBEC ON SUNDAY AND STRENGTHEN TO 305 INCHES AS A 294 INCH LOW DEVELOPS IN THE CENTRAL PLAINS.W2 ON MONDAY, THIS LOW WILL DEEPEN TO 291 INCHES AS IT LIFTS NORTHEAST ACROSS WISCONSIN AND INTO CENTRAL UPPER MICHIGAN.W2 THE LOW WILL WEAKEN TO AROUND 292 INCHES AS IT CONTINUES TO LIFT NORTHEAST INTO QUEBEC ON TUESDAY, LEAVING A TROUGH AVERAGING 295 INCHES OVER THE UPPER GREAT LAKES.W2 THE PRESSURE GRADIENT WILL THEN RELAX ACROSS THE UPPER GREAT LAKES AS A WEAK HIGH PRESSURE OF 302 INCHES MOVES IN.W2 THIS HIGH BUILDS TO 303 INCHES ON THURSDAY, WHILE A LOW OF 296 INCHES LIFTS ACROSS THE LOWER MISSISSIPPI RIVER VALLEY INTO THE TENNESSEE VALLEY.W2 LSZ162-300400.W2 LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5 NORTHM.W2 , gale warning in effect from sunday evening through monday afternoon, late this afternoon, east winds 5 to 15 knots.W2 waves calm to 2 feet.W2 tonight, northeast winds 5 to 15 knots increasing to 10 to 20 knots after midnight.W2 waves building to 1 to 3 feet.W2 sunday, northeast winds 15 to 25 knots increasing to 20 to 30 knots by mid afternoon.W2 scattered rain showers by mid afternoon.W2 waves building to 3 to 6 feet occasionally to 8 feet.W2 sunday night, northeast gales to 40 knots.W2 snow likely through midnight.W2 rain.W2 a chance of snow after midnight.W2 waves building to 6 to 9 feet occasionally to 11 feet.W2 monday, northeast gales to 40 knots diminishing to 20 to 30 knots by mid afternoon.W2 rain showers, possibly mixed with snow showers.W2 waves building to 7 to 10 feet occasionally to 13 feet, then subsiding to 4 to 7 feet occasionally to 9 feet.W2 monday night, north winds 15 to 25 knots.W2 rain showers and snow showers likely through midnight, then a chance of rain and snow showers after midnight.W2 waves subsiding to 2 to 4 feet.W2 tuesday, north winds 10 to 20 knots backing northwest by mid afternoon.W2 a chance of snow showers through early afternoon.W2 a chance of rain showers.W2 waves subsiding to calm to 2 feet.W2 tuesday night, west winds 5 to 15 knots backing southwest after midnight.W2 waves calm to 2 feet.W2 wednesday, southwest winds 5 to 15 knots.W2 waves calm to 2 feet.W2 thursday, southwest winds 10 to 20 knots veering north.W2 waves calm to 2 feet.W2