NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
8:46 AM Wednesday March 1
W2 WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS, WHICH IS THE AVERAGE OF THE HIGHEST 1/3 OF THE WAVE, ALONG WITH THE AVERAGE HEIGHT OF THE HIGHEST 10% OF THE WAVES WHICH WILL OCCASIONALLY BE ENCOUNTERED.W2 SYNOPSIS, LOW PRESSURE OF 294 INCHES OVER THE CENTRAL GREAT LAKES WILL MOVE NORTHEAST TO SOUTHERN QUEBEC BY THIS EVENING, AND THEN DEEPEN TO 289 INCHES OVER NEW BRUNSWICK EARLY THURSDAY MORNING.W2 A WEAK LOW AVERAGING 301 INCHES WILL PASS SOUTH OF THE LAKE THURSDAY AFTERNOON AND EVENING.W2 HIGH PRESSURE RIDGE OF 306 INCHES WILL SPREAD OVER THE WESTERN GREAT LAKES FRIDAY AND THEN CONTINUE TO THE EASTERN GREAT LAKES FRIDAY NIGHT INTO SATURDAY, WHILE LOW PRESSURE AVERAGING 297 INCHES LIFTS NORTHEAST THROUGH THE NORTHERN PLAINS AND SOUTHERN CANADA SATURDAY NIGHT INTO SUNDAY.W2 LMZ261-362-364-366-563-565-567-868-012230.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 LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NAUTICAL MILES OFFSHORE TO MID LAKE.W2 LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NAUTICAL MILES OFFSHORE TO MID LAKE.W2 sheboygan wi to pentwater mi north, , gale warning in effect through this evening, rest of today, north gales to 35 knots increasing to gales to 40 knots.W2 snow showers.W2 waves 7 to 10 feet occasionally to 13 feet building to 8 to 11 feet occasionally to 14 feet.W2 tonight, north gales to 40 knots becoming northwest 10 to 20 knots overnight.W2 chance of snow showers in the evening.W2 waves 8 to 12 feet occasionally to 15 feet subsiding to 4 to 7 feet occasionally to 9 feet.W2 thursday, northwest winds 10 to 20 knots diminishing to 10 to 15 knots.W2 chance of snow showers in the afternoon.W2 waves 3 to 5 feet occasionally to 7 feet subsiding to 1 to 2 feet.W2 thursday night, northwest winds 15 to 25 knots becoming north to 30 knots.W2 chance of snow showers.W2 waves 1 to 3 feet building to 3 to 5 feet occasionally to 7 feet.W2 friday, northwest winds 15 to 25 knots becoming west 10 to 20 knots.W2 chance of snow showers.W2 waves 3 to 5 feet occasionally to 7 feet subsiding to 2 to 4 feet.W2 friday night, west winds 10 to 15 knots becoming southwest 10 to 20 knots.W2 chance of snow showers.W2 waves 1 to 2 feet.W2 saturday, south winds 15 to 25 knots.W2 waves 2 to 4 feet building to 3 to 5 feet occasionally to 7 feet.W2 sunday, south winds to 30 knots diminishing to 15 to 25 knots.W2 chance of rain showers.W2 waves 5 to 8 feet occasionally to 10 feet subsiding to 4 to 6 feet occasionally to 8 feet.W2