Great Lakes Forecast
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937
FZUS63 KMKX 120834
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
234 AM CST Mon Nov 12 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...

Weak low pressure of 30.2 inches located just east of Lake
Superior will move into Ontario and southern Quebec as it weakens
today. Winds have become west northwest with the passage of an
associated cold front.

Strong high pressure of 30.8 inches over the Dakotas today will
move into the Southern Plains on Tuesday, and then shift into the
Ohio Valley on Wednesday. Winds will remain west to northwest
through Tuesday, and will become southwest by Wednesday.

LMZ261-362-364-366-563-565-567-868-121615-
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-
234 AM CST Mon Nov 12 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...Northwest winds 10 to 20 kt. Waves 2 to 4 ft.
.TONIGHT...Northwest winds 15 to 25 kt. Slight chance of snow
showers in the evening, then chance of snow showers overnight.
Waves 3 to 5 ft.
.TUESDAY...Northwest winds 10 to 20 kt becoming west 15 to 25 kt.
Chance of snow showers in the morning. Waves 4 to 6 ft
occasionally to 8 ft.
.TUESDAY NIGHT...West winds 15 to 25 kt becoming northwest. Waves
4 to 6 ft occasionally to 8 ft.
.WEDNESDAY...West winds 10 to 20 kt becoming southwest 15 to
25 kt. Waves 3 to 5 ft.
.WEDNESDAY NIGHT...Southwest winds to 30 kt. Waves 5 to 8 ft
occasionally to 10 ft building to 7 to 10 ft occasionally to
13 ft.
.THURSDAY...Southwest winds to 30 kt becoming south. Waves 7 to
10 ft occasionally to 13 ft.
.FRIDAY...West winds 15 to 25 kt becoming northwest to 30 kt.
Chance of rain and snow showers. Waves 4 to 6 ft occasionally to
8 ft building to 4 to 7 ft occasionally to 9 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-121615-
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-
234 AM CST Mon Nov 12 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...Northwest winds 10 to 20 kt. Slight chance of rain
showers this afternoon. Waves 3 to 5 ft.
.TONIGHT...Northwest winds 15 to 25 kt increasing to 30 kt.
Chance of rain and snow showers in the evening, then chance of
snow showers overnight. Waves 3 to 5 ft building to 4 to 7 ft
occasionally to 9 ft.
.TUESDAY...Northwest winds 10 to 20 kt. Chance of snow showers.
Waves 4 to 7 ft occasionally to 9 ft.
.TUESDAY NIGHT...Northwest winds 15 to 25 kt diminishing to 10 to
20 kt. Waves 4 to 6 ft occasionally to 8 ft.
.WEDNESDAY...West winds 10 to 15 kt becoming southwest 10 to
20 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.WEDNESDAY NIGHT...South winds 15 to 25 kt becoming southwest.
Waves 4 to 6 ft occasionally to 8 ft.
.THURSDAY...South winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 4 to 6 ft occasionally to 8 ft.
.FRIDAY...West winds to 30 kt. Waves 4 to 6 ft occasionally to
8 ft building to 5 to 8 ft occasionally to 10 ft.

$$

LMZ761-121615-
MAFOR 1210/
MICHIGAN NORTH 14720 11720 13730. Chance of snow showers after
midnight tonight. Waves 2 to 4 ft today. Waves 2 to 4 ft building
to 4 to 6 ft occasionally to 8 ft tonight.

MICHIGAN SOUTH 14720 11720 11730 12740. Chance of rain and snow
showers, then chance of snow and rain showers after midnight this
evening. Waves 2 to 4 ft building to 3 to 5 ft today. Waves 3 to
5 ft building to 4 to 7 ft occasionally to 9 ft tonight.

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

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



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