Great Lakes Forecast
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000
FZUS63 KMKX 190243
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
843 PM CST Sun Nov 18 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 30.3 inches extending from Oklahoma to northern
Illinois will weaken and slide into Texas by Monday morning, as
low pressure of 30.0 inches moves through the western Great Lakes.
West winds will become northerly on Monday as a front moves down
the lake, and another high pressure area of 30.4 inches moves
south through the Missouri River Valley.

That high will settle into Arkansas Tuesday night, with low
pressure of 29.9 inches moving across Lake Superior. Gusty west
winds are expected Tuesday night across the lake, becoming
northerly by Wednesday morning. A few gales will be possible
during this time.

Brisk southerly flow is then expected to return to Lake Michigan
for Thursday and Friday, as high pressure of 30.6 inches moves
into New England, and low pressure of 29.5 inches develops over
the northern Great Plains. Southerly gales look to be possible
during this time.

LMZ261-362-364-366-563-565-567-868-191015-
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-
843 PM CST Sun Nov 18 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...West winds 10 to 20 kt. Chance of snow showers
overnight. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.MONDAY...West winds 10 to 20 kt becoming northwest late in the
morning, then becoming north 15 to 25 kt early in the afternoon
increasing to 30 kt late. Snow showers in the morning, then snow
showers likely in the afternoon. Waves 2 to 4 ft building to 3 to
5 ft.
.MONDAY NIGHT...North winds to 30 kt diminishing to 10 to 20 kt.
Chance of snow and rain showers in the evening. Waves 4 to 7 ft
occasionally to 9 ft.
.TUESDAY...Northwest winds 10 to 20 kt becoming southwest to
30 kt in the afternoon. Waves 4 to 6 ft occasionally to 8 ft.
.TUESDAY NIGHT...West winds to 30 kt becoming northwest. Chance
of snow and rain in the evening. Waves 6 to 9 ft occasionally to
12 ft.
.WEDNESDAY...North winds to 30 kt diminishing to 10 to 20 kt in
the afternoon. Waves 4 to 7 ft occasionally to 9 ft subsiding to
4 to 6 ft occasionally to 8 ft.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 kt becoming southeast
10 to 20 kt. Waves 2 to 4 ft.
.THURSDAY...Southeast winds to 30 kt becoming south. Waves 4 to
6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to
10 ft.
.FRIDAY...South gales to 35 kt. Chance of rain. Waves 8 to 11 ft
occasionally to 14 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-191015-
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-
843 PM CST Sun Nov 18 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...West winds 10 to 20 kt becoming southwest.
Waves 2 to 4 ft.
.MONDAY...Southwest winds 15 to 25 kt becoming northwest 10 to
20 kt. Chance of snow showers in the morning, then chance of rain
and snow showers in the afternoon. Waves 3 to 5 ft.
.MONDAY NIGHT...Northwest winds to 30 kt becoming north 15 to
25 kt. Chance of rain and snow showers in the evening, then
chance of snow and rain showers overnight. Waves 3 to 5 ft
building to 6 to 9 ft occasionally to 12 ft.
.TUESDAY...North winds 10 to 20 kt becoming west 15 to 25 kt.
Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
.TUESDAY NIGHT...West gales to 35 kt. Waves 6 to 9 ft
occasionally to 12 ft.
.WEDNESDAY...Northwest winds to 30 kt becoming north 10 to 20 kt
in the afternoon. Waves 5 to 8 ft occasionally to 10 ft subsiding
to 4 to 6 ft occasionally to 8 ft.
.WEDNESDAY NIGHT...Northeast winds 10 to 20 kt becoming
southeast. Waves 3 to 5 ft.
.THURSDAY...Southeast winds 15 to 25 kt becoming south to 30 kt.
Waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft
occasionally to 10 ft.
.FRIDAY...South winds to 30 kt increasing to gales to 35 kt.
Chance of rain. Waves 6 to 9 ft occasionally to 12 ft.

$$

LMZ761-191015-
MAFOR 1904/
MICHIGAN NORTH 12620 12627 11727 11837 11847 11840. Chance of
snow showers overnight. Chance of snow and rain showers Monday
evening. Waves 2 to 4 ft overnight. Waves 2 to 4 ft building to 4
to 6 ft occasionally to 8 ft Monday. Waves 4 to 7 ft occasionally
to 9 ft building to 5 to 8 ft occasionally to 10 ft Monday
evening.

MICHIGAN SOUTH 11620 12520 12530 11630 11720 11847. Chance of
snow showers Monday morning, then chance of rain and snow showers
Monday afternoon. Chance of rain and snow showers Monday evening.
Waves 2 to 4 ft overnight. Waves 3 to 5 ft Monday. Waves 3 to 5 ft
building to 4 to 6 ft occasionally to 8 ft Monday evening.

$$
MBK

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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