Great Lakes Forecast
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000
FZUS63 KLOT 141508
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
908 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...Low pressure of 30.1 inches dropping southeast from
Manitoba will move to northern Illinois by Monday morning and
drift across the south end of the lake during the day. The low
will continue 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.

LMZ261-362-364-366-563-565-567-868-142215-
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-
908 AM CST Sun Jan 14 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Southwest winds 15 to 25 kt becoming south to
30 kt. Chance of snow. Waves 2 to 4 ft building to 4 to 7 ft
occasionally to 9 ft.
.TONIGHT...South winds to 30 kt becoming southeast. Snow. Waves
6 to 9 ft occasionally to 12 ft building to 7 to 10 ft
occasionally to 13 ft.
.MONDAY...Southeast winds to 30 kt becoming east 15 to 25 kt.
Freezing spray in the morning. Snow in the morning...then snow
likely in the afternoon. Waves 7 to 10 ft occasionally to 13 ft
subsiding to 4 to 6 ft occasionally to 8 ft.
.MONDAY NIGHT...East winds to 30 kt becoming northeast. Chance of
snow. Waves 4 to 6 ft occasionally to 8 ft.
.TUESDAY...North winds to 30 kt diminishing to 15 to 25 kt.
Chance of snow in the morning. Waves 4 to 6 ft occasionally to
8 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
5 to 8 ft occasionally to 10 ft.
.THURSDAY...West winds to 30 kt becoming southwest. Waves 5 to
8 ft occasionally to 10 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-142215-
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-
908 AM CST Sun Jan 14 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Southwest winds 10 to 20 kt becoming south to
30 kt. Chance of snow. Waves 2 to 4 ft building to 4 to 7 ft
occasionally to 9 ft.
.TONIGHT...South winds to 30 kt. Freezing spray in the evening.
Snow. Waves 6 to 9 ft occasionally to 12 ft building to 7 to
10 ft occasionally to 13 ft.
.MONDAY...South winds to 30 kt becoming southwest 15 to 25 kt.
Snow. Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to
6 ft occasionally to 8 ft.
.MONDAY NIGHT...North winds to 30 kt becoming northwest. Freezing
spray. Snow likely. Waves 4 to 6 ft occasionally to 8 ft.
.TUESDAY...North winds to 30 kt. Freezing spray in the morning.
Snow likely in the morning...then chance of snow in the
afternoon. Waves 4 to 6 ft occasionally to 8 ft.
.TUESDAY NIGHT...North winds 15 to 25 kt becoming northwest.
Chance of snow. Waves 4 to 6 ft occasionally to 8 ft.
.WEDNESDAY...West winds 15 to 25 kt increasing to 30 kt. Waves
3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.
.THURSDAY...Southwest winds to 30 kt. Waves 5 to 8 ft
occasionally to 10 ft.

$$

LMZ761-142215-
MAFOR 1416/
MICHIGAN NORTH 12530 11440 13447 12347. Chance of snow today.
Waves 3 to 5 feet building to 5 to 8 feet occasionally to 10 feet
today. Waves 6 to 9 feet occasionally to 12 feet building to 8 to
11 feet occasionally to 14 feet tonight. Waves 7 to 10 feet
occasionally to 13 feet Monday morning.

MICHIGAN SOUTH 11530 11430 11440 14447 11447. Chance of snow
today. Waves 2 to 4 feet building to 4 to 7 feet occasionally to
9 feet today. Waves 7 to 10 feet occasionally to 13 feet tonight
and Monday morning.

$$

Lenning

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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