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Mt. Washington, NH
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FZUS63 KLOT 202045
OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
245 PM CST Mon Nov 20 2017
FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON Lake Michigan.
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.
.SYNOPSIS...High pressure of 30.2 inches across the southeastern
states will move to the east tonight while low pressure of 29.2
inches moves from southern Manitoba to Ontario tonight, and to
Quebec late Tuesday. Broad high pressure of 30.4 inches will build
across the central and northern Great Plains Tuesday and
gradually shift to the lower Mississippi Valley Thursday, while a
trough of low pressure averaging 29.7 inches moves across Ontario
and the Great Lakes.
Lake Michigan from Seul Choix Point to Rock Island Passage 5 NM
offshore to Mid Lake-
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 NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5 NM offshore to
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Lake Michigan from Rock Island Passage to Sturgeon Bay WI-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to
Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to
Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid
245 PM CST Mon Nov 20 2017
SHEBOYGAN WI TO PENTWATER MI NORTH...
Gale Warning - IN EFFECT THROUGH TUESDAY AFTERNOON...
Tonight - Southwest gales to 40 kt. Waves 8 to 11 ft
occasionally to 14 ft building to 12 to 16 ft occasionally to 21
.TUESDAY...West gales to 40 kt becoming northwest gales to 35 kt.
Chance of snow showers in the afternoon. Waves 10 to 14 ft
occasionally to 18 ft subsiding to 6 to 9 ft occasionally to
.TUESDAY NIGHT...Northwest winds to 30 kt. Waves 5 to 8 ft
occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
.WEDNESDAY...Northwest winds 10 to 20 kt becoming southwest.
Waves 3 to 5 ft subsiding to 1 to 3 ft.
.WEDNESDAY NIGHT...Southwest winds 15 to 25 kt increasing to
30 kt. Waves 3 to 5 ft.
.THURSDAY...West winds 15 to 25 kt. Waves 3 to 5 ft.
.THURSDAY NIGHT...Northwest winds 10 to 20 kt becoming west.
Waves 2 to 4 ft.
.FRIDAY...Southwest gales to 35 kt increasing to gales to 40 kt.
Chance of rain. Waves 5 to 8 ft occasionally to 10 ft building to
7 to 10 ft occasionally to 13 ft.
.SATURDAY...Northwest winds to 30 kt. Chance of snow and rain.
Waves 5 to 8 ft occasionally to 10 ft.