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Mt. Washington, NH
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FZUS63 KLOT 232026
OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
226 PM CST Tue Jan 23 2018
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...Low pressure of 29.3 inches over southeast Quebec will
shift to the Canadian maritimes later tonight. Weak high pressure
ridging of 30.3 inches will move across the western Great Lakes
Wednesday, and to the northeast U.S. on Friday, while strengthening
to 30.7 inches. Another low of 29.4 inches will develop in lee of
the northern Rockies Thursday night, moving to near James Bay by
Saturday morning. A cold front trailing from this low will push
across the lake by late Saturday. Yet another low may move over or
south of the southern portion of the lake Saturday evening.
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
226 PM CST Tue Jan 23 2018
SHEBOYGAN WI TO PENTWATER MI NORTH...
Tonight - North winds to 30 kt diminishing to 10 to 20 kt
overnight. Waves 7 to 10 ft occasionally to 13 ft subsiding to
4 to 6 ft occasionally to 8 ft.
.WEDNESDAY...North winds 10 to 15 kt. Waves 3 to 5 ft subsiding
to 1 to 2 ft.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 kt veering to
southwest. Waves 1 to 2 ft.
.THURSDAY...Southwest winds 10 to 15 kt becoming south 15 to
25 kt in the afternoon. Waves 1 ft or less building to 1 to 3 ft
in the afternoon.
.THURSDAY NIGHT...South winds to 30 kt. Waves 3 to 5 ft building
to 4 to 7 ft occasionally to 9 ft overnight.
.FRIDAY...South gales to 35 kt. Waves 7 to 10 ft occasionally to
13 ft building to 8 to 11 ft occasionally to 14 ft in the
.FRIDAY NIGHT...Southwest gales to 35 kt. Waves 8 to 11 ft
occasionally to 14 ft subsiding to 7 to 10 ft occasionally to
13 ft overnight.
.SATURDAY...Southwest winds to 30 kt becoming west 10 to 20 kt in
the afternoon. Waves 6 to 9 ft occasionally to 12 ft.
.SUNDAY...North winds 15 to 25 kt. Waves 3 to 5 ft.