NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
8:57 AM Tuesday January 27
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, A WEAK TROUGH OF LOW PRESSURE OF 299 INCHES OVER THE LOWER OHIO VALLEY WILL CONTINUE TO MOVE OFF TO THE SOUTHEAST WHILE DEEP LOW PRESSURE LIFTS NORTH OFF THE NEW ENGLAND COAST.W2 HIGH PRESSURE RIDGE AVERAGING 303 INCHES WILL MOVE SOUTH ACROSS THE LAKE TODAY, BUILDING TO 304 INCHES AS IT CONTINUES INTO THE OHIO VALLEY TONIGHT.W2 BY EARLY WEDNESDAY, LOW PRESSURE OF 298 INCHES WILL DEVELOP OVER THE PLAINS, AND WILL DEEPEN SLIGHTLY TO 297 INCHES AS IT MOVES EAST TOWARD THE MID MISSISSIPPI VALLEY BY EVENING AND TO NEAR SOUTHERN LAKE MICHIGAN BY THURSDAY MORNING.W2 THE LOW WILL THEN LIFT OUT TO THE NORTHEAST ACROSS SOUTHWESTERN ONTARIO AND NORTHERN NEW ENGLAND THROUGH THURSDAY NIGHT, WHILE STRONG HIGH PRESSURE OF 307 INCHES SPREADS SOUTHEAST ACROSS THE UPPER MISSISSIPPI VALLEY.W2 THE HIGH WILL DRIFT ACROSS THE MIDWEST AND SOUTHERN GREAT LAKES REGION FRIDAY.W2 LMZ261-362-364-366-563-565-272245.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 today, northeast winds 10 to 15 knots diminishing to 5 to 10 knots.W2 chance of light freezing drizzle through mid morning.W2 waves 2 to 4 feet subsiding to 1 to 3 feet.W2 tonight, northeast winds less than 10 knots veering to south late in the evening, then becoming southwest 10 to 15 knots overnight.W2 waves 1 to 3 feet.W2 wednesday, southwest winds 10 to 20 knots becoming south 20 to 25 knots from late morning on.W2 a few gusts to 30 knots.W2 slight chance of snow in the afternoon.W2 waves 2 to 4 feet building to 5 to 8 feet occasionally to 10 feet in the afternoon.W2 wednesday night, south winds 20 to 25 knots.W2 a few gusts to 30 knots.W2 snow likely in the evening, then snow overnight.W2 waves 5 to 8 feet occasionally to 10 feet.W2 thursday, south winds 10 to 20 knots veering to northwest early, then increasing to northwest winds to 30 knots in the afternoon.W2 a few gale force gusts to 35 knots possible.W2 snow in the morning, then chance of snow in the afternoon.W2 waves building to 6 to 9 feet occasionally to 11 feet.W2 thursday night, north winds to 30 knots.W2 a few gale force gusts to 35 knots possible in the evening.W2 chance of snow showers.W2 waves 7 to 10 feet occasionally to 13 feet.W2 friday, north winds 20 to 25 knots becoming northwest 10 to 15 knots in the afternoon.W2 slight chance of snow showers.W2 waves subsiding to 4 to 6 feet occasionally to 8 feet in the afternoon.W2 saturday, southwest winds 10 to 20 knots becoming west.W2 chance of snow showers.W2 waves 2 to 4 feet.W2