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.
Synopsis: HIGH PRESSURE OF 30.3 INCHES WILL MOVE ACROSS THE
GREAT LAKES REGION THIS AFTERNOON...AND CONTINUE EAST TO NEW
ENGLAND EARLY THIS WEEK. LOW PRESSURE OF 29.4 INCHES WILL MOVE
ACROSS THE UPPER MIDWEST MONDAY AND INTO ONTARIO TUESDAY...AS A
SECOND LOW PRESSURE AVERAGING 29.7 INCHES MOVES NORTHEAST ACROSS
THE OHIO VALLEY TUESDAY INTO TUESDAY NIGHT. THE LOW PRESSURE
CENTER ACROSS ONTRAIO WILL SLOWLY CONTINUE EAST THROUGH EASTERN
CANADA AND ULTIMATELY MERGE WITH DEEP LOW PRESSURE OFF THE
CANADIAN MARITIMES LATE IN THE WEEK. MEANWHILE...STRONG HIGH
PRESSURE OF 30.7 INCHES WILL MOVE INTO THE NORTHERN AND CENTRAL
PLAINS THURSDAY THROUGH FRIDAY WHILE SLOWLY WEAKENING.
South winds 10 to 15 kt increasing to 10 to 20 kt. Rain and snow this afternoon. Waves 1 to 3 ft building to 2 to 4 ft.
Southwest winds 15 to 25 kt becoming west 10 to 20 kt. Rain and snow likely in the evening. Waves 3 to 5 ft occasionally to 7 ft.
West winds 10 to 20 kt becoming south. Waves 2 to 4 ft.
South winds 15 to 25 kt becoming southeast 10 to 20 kt. Waves 2 to 4 ft.
Southeast winds 10 to 15 kt backing to northwest 10 to 20 kt. Waves 1 to 3 ft.
Northwest winds 15 to 25 kt becoming west to 30 kt. Waves 3 to 5 ft occasionally to 7 ft building to 4 to 6 ft occasionally to 8 ft.
West winds to 30 kt. Waves 4 to 6 ft occasionally to 8 ft.
West winds to 30 kt increasing to gales to 35 kt. Chance of snow. Waves 6 to 9 ft occasionally to 11 ft.