NATIONAL WEATHER SERVICE MARQUETTE MI
3:55 PM Wednesday August 24
W2SYNOPSIS, A 297 INCH TROUGH CROSSING LAKE SUPERIOR THIS AFTERNOON AND EVENING WILL PRECEDE A SECONDARY 299 INCH TROUGH THAT WILL CROSS LAKE SUPERIOR THURSDAY NIGHT.W2 302 INCH HIGH PRESSURE WILL DRIFT EASTWARD ACROSS THE GREAT LAKES REGION FRIDAY THROUGH SATURDAY.W2 LOW PRESSURE OF 299 INCHES DEVELOPING OVER THE CENTRAL PLAINS FRIDAY NIGHT WILL TRACK NORTHEASTWARD ACROSS LAKE SUPERIOR SATURDAY NIGHT INTO SUNDAY MORNING.W2 HIGH PRESSURE OF 301 INCHES WILL THEN DRIFT ACROSS THE UPPER GREAT LAKES ON MONDAY WHILE A 299 INCH TROUGH FORMS OVER THE NORTHERN PLAINS.W2 LSZ162-250400.W2 LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5 NORTHM.W2 late this afternoon, southwest winds 10 to 20 knots.W2 waves calm to 2 feet.W2 tonight, west winds 10 to 20 knots.W2 waves building to 1 to 3 feet, then subsiding to calm to 2 feet.W2 thursday, west winds 15 to 25 knots.W2 waves building to 3 to 5 feet.W2 thursday night, northwest winds 15 to 25 knots diminishing to 10 to 20 knots after midnight.W2 waves subsiding to calm to 2 feet.W2 friday, north winds 5 to 15 knots veering south by mid afternoon.W2 waves calm to 2 feet.W2 friday night, south winds 5 to 15 knots.W2 waves calm to 2 feet.W2 saturday, south winds 5 to 15 knots backing east by mid afternoon.W2 a chance of showers.W2 waves calm to 2 feet.W2 saturday night, northeast winds 5 to 15 knots backing north after midnight.W2 a chance of showers.W2 waves calm to 2 feet.W2 sunday, west winds 5 to 15 knots backing south.W2 waves calm to 2 feet.W2 monday, south winds 5 to 15 knots veering southwest.W2 waves calm to 2 feet.W2