NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
8:50 PM Sunday August 31
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 NORTHWEST MINNESOTA WILL MOVE NORTHEAST THROUGH ONTARIO TONIGHT, WITH A TRAILING COLD FRONT MOVING ACROSS LAKE MICHIGAN MONDAY AND MONDAY NIGHT AS THE LOW DEEPENS TO 293 INCHES NORTH OF THE LAKES.W2 THE LOW WILL CONTINUE TO MOVE NORTHEAST ACROSS JAMES BAY MONDAY NIGHT, WHILE THE COLD FRONT CLEARS THE SOUTH END OF THE LAKE AND A WEAK AREA OF HIGH PRESSURE OF 300 INCHES MOVES ACROSS ILLINOIS AND INDIANA.W2 THE HIGH WILL CONTINUE TO DRIFT INTO THE UPPER OHIO VALLEY AND EASTERN LAKES BY TUESDAY NIGHT, AS ANOTHER LOW OF 296 INCHES DEVELOPS OVER THE NORTHERN PLAINS.W2 THIS LOW WILL ALSO MOVE NORTHEAST INTO ONTARIO WEDNESDAY AND THURSDAY, WITH ANOTHER COLD FRONT TRAILING ACROSS LAKE MICHIGAN THURSDAY NIGHT INTO EARLY FRIDAY.W2 LMZ261-362-364-366-563-565-567-868-011015.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 rest of tonight, southeast winds 10 to 15 knots becoming south 15 to 25 knots overnight.W2 areas of dense fog.W2 waves 2 feet or less building to 2 to 4 feet overnight.W2 monday, south winds to 30 knots becoming southwest 15 to 25 knots.W2 a chance of showers and thunderstorms in the morning.W2 showers and thunderstorms likely in the afternoon.W2 waves building to 4 to 6 feet occasionally to 8 feet.W2 monday night, west winds 15 to 25 knots.W2 chance of showers and thunderstorms in the evening.W2 waves 4 to 6 feet occasionally to 8 feet subsiding to 2 to 4 feet overnight.W2 tuesday, west winds 10 to 15 knots becoming southwest.W2 waves 1 to 2 feet.W2 tuesday night, southwest winds 10 to 15 knots.W2 waves 1 to 3 feet.W2 wednesday, southwest winds 15 to 25 knots.W2 waves building to 3 to 5 feet occasionally to 7 feet.W2 wednesday night, south winds 15 to 25 knots.W2 chance of showers and thunderstorms.W2 waves 3 to 5 feet occasionally to 7 feet.W2 thursday, south winds 15 to 25 knots.W2 chance of showers and thunderstorms.W2 waves 3 to 5 feet occasionally to 7 feet.W2 friday, west winds 15 to 25 knots becoming northwest.W2 chance of showers and thunderstorms.W2 waves 2 to 4 feet.W2