Great Lakes Forecast
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000
FZUS63 KLOT 110245
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
845 PM CST Sat Feb 10 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 30.5 inches over the northern Plains
will build over the mid Missouri Valley and into the central
Plains tonight into Sunday. Low pressure of 29.8 inches will move
across Ontario Sunday. Another high pressure of 30.6 inches will
build across the upper midwest and Great Lakes region early next
week.

LMZ261-362-364-366-563-565-567-868-111015-
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-
845 PM CST Sat Feb 10 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...Light and variable winds. Chance of flurries
overnight. Waves less than 1 ft.
.SUNDAY...Southwest winds 10 to 15 kt becoming west 15 to 25 kt.
Chance of snow in the morning...then chance of flurries in the
afternoon. Waves 1 to 3 ft building to 3 to 5 ft.
.SUNDAY NIGHT...West winds to 30 kt becoming northwest 15 to
25 kt. Waves 4 to 7 ft occasionally to 9 ft.
.MONDAY...Northwest winds 10 to 20 kt becoming west 10 to 15 kt.
Waves 4 to 7 ft occasionally to 9 ft.
.MONDAY NIGHT...West winds 10 to 15 kt becoming southwest. Waves
4 to 6 ft occasionally to 8 ft.
.TUESDAY...South winds 15 to 25 kt increasing to 30 kt. Waves
4 to 7 ft occasionally to 9 ft.
.TUESDAY NIGHT...Southwest winds to 30 kt. Waves 5 to 8 ft
occasionally to 10 ft.
.WEDNESDAY...Southwest winds to 30 kt. Waves 6 to 9 ft
occasionally to 12 ft.
.THURSDAY...Northwest winds to 30 kt becoming north. Waves 7 to
10 ft occasionally to 13 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-111015-
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-
845 PM CST Sat Feb 10 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...Northeasterly winds 10 to 15 kt. Snow
developing overnight. Waves 1 to 3 ft.
.SUNDAY...North winds 10 to 20 kt becoming west. Snow ending.
Waves 2 to 4 ft.
.SUNDAY NIGHT...West winds to 30 kt becoming northwest 15 to
25 kt. Waves 4 to 6 ft occasionally to 8 ft.
.MONDAY...North winds 10 to 20 kt diminishing to 10 to 15 kt.
Waves 3 to 5 ft subsiding to 1 to 3 ft.
.MONDAY NIGHT...Northeast winds 5 to 10 kt veering to east. Waves
1 to 3 ft.
.TUESDAY...Southeast winds 15 to 25 kt becoming south. Waves 3 to
5 ft.
.TUESDAY NIGHT...Southwest winds 15 to 25 kt. Waves 3 to 5 ft.
.WEDNESDAY...Southwest winds 15 to 25 kt increasing to 30 kt.
Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
.THURSDAY...Northwest winds 15 to 25 kt increasing to 30 kt.
Waves 4 to 7 ft occasionally to 9 ft.

$$
LMZ761-111015-
MAFOR 1104/
MICHIGAN NORTH 13900 11500 11510 12630 11640. Waves less than 1
ft tonight and 1 to 3 ft building to 3 to 5 ft Sunday.

MICHIGAN SOUTH 11110 19710 12117 19717 12820 11720 11620 11640.
Waves 1 to 3 ft tonight and 2 to 4 ft Sunday.

$$

- Izzi

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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