Great Lakes Forecast
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000
FZUS63 KLOT 110822
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
222 AM CST Sat Nov 11 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 30.7 inches centered over Lake
Ontario will shift to New England tonight. A weak trough of low
pressure averaging 30.1 inches and an associated cold front will
cross the lake late Saturday night and Sunday. Another area of
high pressure of 30.4 inches will build across the Great Lakes
Sunday night and Monday.

LMZ261-362-364-366-563-565-567-868-111645-
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-
222 AM CST Sat Nov 11 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...South gales to 35 kt diminishing to 30 kt. Snow and rain
likely this morning...then chance of rain and snow this
afternoon. Waves 8 to 12 ft occasionally to 16 ft.
.TONIGHT...Southwest winds to 30 kt diminishing to 15 to 25 kt
late in the evening...then becoming west 10 to 20 kt late. Rain
in the evening...then chance of rain overnight. Waves 7 to 10 ft
occasionally to 13 ft subsiding to 4 to 7 feet occasionally to
9 feet.
.SUNDAY...Northwest winds 5 to 10 kt increasing to 10 to 15 kt.
Waves 3 to 5 ft subsiding to 2 to 4 ft.
.SUNDAY NIGHT...Northwest winds 10 to 15 kt. Waves 1 to 3 ft.
.MONDAY...Northwest winds 10 to 15 kt becoming west. Waves 1 to
3 ft.
.MONDAY NIGHT...Southwest winds 10 to 15 kt becoming south 10 to
20 kt. Waves 1 to 2 ft.
.TUESDAY...South winds 15 to 25 kt. Waves 2 to 4 ft building to
4 to 6 ft occasionally to 8 ft.
.WEDNESDAY...Southwest winds to 30 kt becoming west 15 to 25 kt.
Rain showers. Waves 8 to 11 ft occasionally to 14 ft subsiding to
6 to 9 ft occasionally to 12 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-111645-
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-
222 AM CST Sat Nov 11 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...South winds to 30 kt. Waves 8 to 11 ft occasionally to
14 ft.
.TONIGHT...South winds to 30 kt diminishing to 15 to 25 kt late
in the evening...then becoming west 10 to 15 kt late. Chance of
rain. Waves 6 to 9 ft occasionally to 12 ft subsiding to 3 to 5
ft.
.SUNDAY...Southwest winds 5 to 10 kt veering to northwest 10 to
15 kt. Rain likely in the morning...then chance of rain in the
afternoon. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.SUNDAY NIGHT...Northwest winds 10 to 20 kt. Waves 2 to 4 ft.
.MONDAY...Northwest winds 10 to 15 kt. Waves 2 to 4 ft.
.MONDAY NIGHT...Southwest winds 10 to 15 kt becoming south 10 to
20 kt. Waves 1 to 2 ft.
.TUESDAY...South winds 15 to 25 kt. Waves 2 to 4 ft building to
4 to 6 ft occasionally to 8 ft.
.WEDNESDAY...Southwest winds to 30 kt becoming west. Showers.
Waves 7 to 10 ft occasionally to 13 ft subsiding to 6 to 9 ft
occasionally to 12 ft.

$$

LMZ761-111645-
MAFOR 1110/
MICHIGAN NORTH...Gale Warning in effect...14457 11446 12536
11620. Chance of rain after midnight tonight. Waves 8 to 12 feet
occasionally to 16 feet today. Waves 7 to 10 feet occasionally to
13 feet subsiding to 4 to 7 feet occasionally to 9 feet tonight.

MICHIGAN SOUTH 15440 11430 11520. Chance of rain tonight. Waves 8
to 11 feet occasionally to 14 feet today. Waves 6 to 9 feet
occasionally to 12 feet subsiding to 3 to 5 feet tonight.

$$

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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