NATIONAL WEATHER SERVICE MARQUETTE MI
3:42 PM Tuesday September 30
W2SYNOPSIS, HIGH PRESSURE OF 302 INCHES OVER NORTHERN ONTARIO WILL MOVE EAST TO THE CANADIAN MARITIMES BY WEDNESDAY EVENING.W2 MEANWHILE, LOW PRESSURE OF 294 INCHES OVER WESTERN NEBRASKA WILL LIFT NORTH TO SOUTHERN MANITOBA WEDNESDAY MORNING AND TO HUDSON BAY THURSDAY MORNING.W2 A 297 INCH TROUGH ASSOCIATED WITH THE LOW WILL MOVE EAST, REACHING LAKE SUPERIOR THURSDAY.W2 EXPECT A 294 INCH LOW PRESSURE TO FORM ALONG THIS TROUGH OVER THE UPPER MISSISSIPPI VALLEY THURSDAY EVENING AND THEN DEEPEN TO 292 INCHES AS IT LIFTS NORTHEAST INTO NORTHERN ONTARIO FRIDAY AND TO HUDSON BAY FRIDAY NIGHT.W2 IN ITS WAKE, HIGH PRESSURE OF 302 INCHES OVER THE WESTERN PLAINS FRIDAY AFTERNOON WILL SETTLE OVER THE LOWER MISSISSIPPI VALLEY SATURDAY INTO SUNDAY AS A 295 INCH TROUGH EXTENDING FROM THE HUDSON BAY LOW LINGERS OVER NORTHERN ONTARIO.W2 LSZ162-010345.W2 LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5 NORTHM.W2 late this afternoon, east winds 10 to 20 knots.W2 waves 2 to 4 feet.W2 tonight, east winds 10 to 20 knots becoming south 5 to 15 knots after midnight.W2 isolated showers late.W2 waves subsiding to 1 to 3 feet.W2 wednesday, southeast winds 5 to 15 knots.W2 a chance of showers through early afternoon, then showers likely and a slight chance of thunderstorms by mid afternoon.W2 waves subsiding to calm to 2 feet.W2 wednesday night, south winds 5 to 15 knots veering southwest after midnight.W2 a slight chance of thunderstorms through midnight.W2 a chance of showers.W2 waves calm to 2 feet.W2 thursday, southwest winds less than 10 knots veering north by mid afternoon.W2 a chance of showers.W2 a slight chance of thunderstorms by mid afternoon.W2 waves calm to 2 feet.W2 thursday night, north winds 5 to 15 knots becoming northwest 10 to 20 knots after midnight.W2 showers.W2 waves building to 2 to 4 feet.W2 friday, west winds 15 to 25 knots becoming northwest 20 to 30 knots by mid afternoon.W2 a chance of rain showers through early afternoon, then rain showers likely by mid afternoon.W2 waves building to 4 to 7 feet.W2 friday night, northwest winds 20 to 30 knots.W2 a chance of rain showers.W2 waves 4 to 7 feet.W2 saturday, northwest winds 15 to 25 knots backing west.W2 a chance of rain showers.W2 waves subsiding to 1 to 3 feet.W2 sunday, west winds 10 to 20 knots.W2 waves 1 to 3 feet.W2