Great Lakes Forecast
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000
FZUS63 KLOT 140800
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
200 AM CST Sun Jan 14 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...High pressure of 30.7 inches over the Ohio Valley
tonight will then become elongated from the Upper Ohio Valley to
New England Sunday, as low pressure of 30.1 inches drops southeast
from Manitoba. This low will move to southern Wisconsin by Monday
morning, slowing as it drifts east across the lake during the
day. The low will continue east to Lake Huron by early Tuesday,
filling slightly to 30.2 inches. Another strong high pressure of
30.9 inches will push south across the Plains, weakening to 30.7
inches as it reaches the lower Missouri Valley by Wednesday
morning. The high will weaken further to 30.4 inches over the
southeast USA late week.

LMZ261-362-364-366-563-565-567-868-141800-
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
Mid Lake-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to
Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid
Lake-
200 AM CST Sun Jan 14 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...Southwest winds 10 to 20 kt increasing to south winds to
30 kt late. Chance of snow showers. Waves 1 to 3 ft building to 5
to 8 ft occasionally to 10 ft.
.TONIGHT...South winds to 30 kt. Occasional gale force gusts to
35 kt. Freezing spray. Snow. Waves 6 to 9 ft occasionally to 12 ft
building to 8 to 11 ft occasionally to 14 ft from late evening
on.
.MONDAY...Southeast winds to 30 kt becoming east 15 to 25 kt in
the afternoon. Freezing spray in the morning. Snow likely. Waves 6
to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft occasionally
to 8 ft.
.MONDAY NIGHT...Northeast winds to 30 kt. Chance of snow. Waves
4 to 6 ft occasionally to 8 ft.
.TUESDAY...North winds 15 to 25 kt. Chance of snow in the
morning. Waves 4 to 7 ft occasionally to 9 ft.
.TUESDAY NIGHT...North winds 15 to 25 kt becoming northwest 10 to
20 kt. Chance of snow. Waves 3 to 5 ft.
.WEDNESDAY...West winds to 30 kt. Waves 3 to 5 ft building to
4 to 7 ft occasionally to 9 ft in the afternoon.
.THURSDAY...Southwest winds to 30 kt. Waves 4 to 7 ft
occasionally to 9 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-141800-
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5 NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5 NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM
offshore to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid
Lake-
Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to
Mid Lake-
200 AM CST Sun Jan 14 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...Southwest winds 10 to 15 kt increasing to south winds to
30 kt late this afternoon. Chance of snow showers this
morning...then chance of snow this afternoon. Waves 1 to 3 ft
building to 5 to 8 ft occasionally to 10 ft.
.TONIGHT...South winds to 30 kt. Freezing spray. Snow. Waves 6 to
9 ft occasionally to 12 ft building to 7 to 10 ft occasionally to
13 ft from late evening on.
.MONDAY...South winds to 30 kt becoming southwest 15 to 25 kt.
Snow in the morning...then chance of snow in the afternoon. Waves
6 to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft
occasionally to 8 ft in the afternoon.
.MONDAY NIGHT...Northwest winds to 30 kt. Freezing spray. Chance
of snow. Waves 4 to 6 ft occasionally to 8 ft.
.TUESDAY...North winds 15 to 25 kt. Freezing spray in the
morning. Chance of snow. Waves 4 to 7 ft occasionally to 9 ft.
.TUESDAY NIGHT...Northwest winds 15 to 25 kt. Chance of snow.
Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft overnight.
.WEDNESDAY...West winds to 30 kt. Chance of snow. Waves 3 to 5 ft
building to 4 to 6 ft occasionally to 8 ft in the afternoon.
.THURSDAY...Southwest winds to 30 kt. Waves 5 to 8 ft
occasionally to 10 ft.

$$

LMZ761-141800-
MAFOR 1410/
MICHIGAN NORTH 11610 11520 12530 11440 11457 12447. Chance of
snow showers today. Waves 2 to 4 ft building to 6 to 9 ft
occasionally to 11 ft by this evening, and to 8 to 11 ft
occasionally to 14 ft overnight.

MICHIGAN SOUTH 10610 11510 11527 11530 11430 14447. Chance of
snow showers this morning. Chance of snow this afternoon. Waves 2
to 4 ft building to 5 to 8 ft occasionally to 10 ft today. Waves 6
to 9 ft occasionally to 11 ft building to 7 to 10 ft occasionally
to 13 ft tonight.

$$

KMD

Experimental modernized open lake forecast is available online at
weather.gov/lot/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes


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