NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
8:43 PM Thursday July 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 298 INCHES OVER SOUTHERN JAMES BAY WILL DRIFT NORTH OVER THE NEXT FEW DAYS.W2 BROAD HIGH PRESSURE OF 301 INCHES OVER THE NORTHERN AND CENTRAL PLAINS WILL EXPAND OVER THE GREAT LAKES REGION INTO THE WEEKEND.W2 AS THIS OCCURS A WEAK COLD FRONT WILL MOVE SOUTH OVER THE LAKE EARLY SATURDAY.W2 THE HIGH WILL SHIFT TO THE EASTERN LAKES MONDAY AS LOW PRESSURE AROUND 297 INCHES DEVELOPS OVER THE NORTHERN TO CENTRAL PLAINS ON TUESDAY AND APPROACHES THE GREAT LAKES DURING THE MIDDLE OF NEXT WEEK.W2 LMZ261-362-364-366-563-565-567-868-010915.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, south winds 10 to 15 knots becoming southeast 5 to 10 knots.W2 patchy fog this evening, then areas of fog overnight.W2 waves 1 to 2 feet.W2 friday, varaible winds 5 to 10 knots becoming south in the afternoon.W2 areas of fog in the morning.W2 chance of showers and thunderstorms in the afternoon.W2 waves around 1 feet.W2 friday night, southeast winds 5 to 10 knots backing to northeast late.W2 slight chance of showers overnight.W2 waves 1 feet or less.W2 saturday, northeast winds 5 to 10 knots.W2 slight chance of showers in the morning.W2 waves 1 feet or less.W2 saturday night, south winds 5 to 10 knots.W2 waves 1 feet or less.W2 sunday, southwest winds 10 to 15 knots.W2 waves 1 to 2 feet.W2 sunday night, southwest winds 10 to 15 knots becoming west 5 to 10 knots.W2 chance of showers.W2 waves 1 to 2 feet.W2 monday, west winds 5 to 10 knots becoming southwest.W2 slight chance of showers and thunderstorms.W2 waves 1 to 2 feet.W2 tuesday, northeast winds 5 to 10 knots.W2 slight chance of showers.W2 waves 1 to 2 feet.W2