NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
8:43 PM Sunday September 21
W2 WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS, WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES, ALONG WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL OCCASIONALLY BE ENCOUNTERED.W2 SYNOPSIS, LOW PRESSURE OF 295 INCHES OVER FAR SOUTHERN QUEBEC WILL LIFT NORTHEAST THROUGH EASTERN QUEBEC THROUGH MONDAY AFTERNOON WHILE DEEPENING TO 292 INCHES.W2 MEANWHILE, A LARGE AREA OF HIGH PRESSURE OF 303 INCHES OVER THE CENTRAL PLAINS WILL QUICKLY MOVE EAST, WITH THE CENTER OF THE HIGH SLIDING JUST SOUTH OF THE LAKE MONDAY AFTERNOON AND EVENING.W2 THE HIGH WILL THEN SETTLE OVER THE OHIO VALLEY TO NEW ENGLAND, AND REMAIN OVER THE NORTHEASTERN CONUS INTO NEXT WEEKEND.W2 MEANWHILE, A TROUGH OF LOW PRESSURE AVERAGING 299 INCHES WILL DEVELOP OVER THE FOOTHILLS OF THE ROCKIES ON MONDAY, BUT WILL MAKE LITTLE OR NO EASTWARD PROGRESS INTO NEXT WEEKEND.W2 LMZ261-362-364-366-563-565-220945.W2 LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NAUTICAL MILES OFFSHORE TO MID LAKE.W2 LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH FOX ISLAND 5 NAUTICAL MILES OFFSHORE.W2 LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NAUTICAL MILES OFFSHORE TO MID LAKE.W2 LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NAUTICAL MILES OFFSHORE TO MID LAKE.W2 LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI.W2 LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NAUTICAL MILES OFFSHORE TO MID LAKE.W2 two rivers wi to manistee mi north rest of tonight, north winds to 20 to 30 knots becoming northwest winds 10 to 20 knots in the pre dawn hours.W2 waves 6 to 9 feet occasionally to 11 feet, subsiding to 5 to 8 feet occasionally to 10 feet.W2 monday, northwest winds 10 to 20 knots backing to southwest 15 to 25 knots.W2 waves 4 to 7 feet occasionally to 9 feet subsiding to 2 to 4 feet in the afternoon.W2 monday night, southwest winds 15 to 25 knots becoming west.W2 waves 3 to 5 feet occasionally to 7 feet.W2 tuesday, west winds 10 to 15 knots becoming southwest.W2 waves 2 to 4 feet.W2 tuesday night through friday, south winds 10 to 15 knots.W2 waves 1 to 3 feet.W2