NATIONAL WEATHER SERVICE MARQUETTE MI
10:10 AM Tuesday August 4
W2SYNOPSIS, A 300 INCH HIGH PRESSURE RIDGE OVER CENTRAL CANADA WILL CONTINUE TO BUILD AND PERSIST ACROSS THE UPPER GREAT LAKES THROUGH WEDNESDAY.W2 BY THURSDAY, LOW PRESSURE OF 297 INCHES WILL DEVELOP OVER THE HIGH PLAINS AND MOVE EASTWARD THROUGH THE LOWER LAKES TO THE MID ATLANTIC COAST BY SATURDAY.W2 HIGH PRESSURE RIDGING OF 299 INCHES WILL REMAIN ACROSS THE UPPER GREAT LAKES DURING THIS TIME.W2 LSZ162-042215.W2 LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5 NORTHM.W2 rest of today, west winds less than 10 knots backing south by mid afternoon.W2 waves calm to 2 feet.W2 tonight, south winds less than 10 knots backing north after midnight.W2 waves calm to 2 feet.W2 wednesday, east winds 5 to 15 knots.W2 waves calm to 2 feet.W2 wednesday night, east winds 5 to 15 knots.W2 a slight chance of showers.W2 waves calm to 2 feet.W2 thursday, east winds 10 to 20 knots.W2 a chance of showers.W2 waves building to 1 to 3 feet.W2 thursday night, northeast winds 10 to 20 knots veering east after midnight.W2 waves building to 2 to 4 feet, then subsiding to 1 to 3 feet.W2 friday, east winds 10 to 20 knots diminishing to 5 to 15 knots.W2 a chance of showers.W2 waves subsiding to calm to 2 feet.W2 saturday, east winds 5 to 15 knots backing northeast.W2 waves calm to 2 feet.W2