Great Lakes Forecast
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FZUS63 KMKX 190842
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
242 AM CST Mon Nov 19 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...

West winds will become northerly today as weak low pressure of
30.0 inches drags a front down the lake. The winds will pick up
later today and into tonight as a 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 29.8
inches moving across the northern Great Lakes. Gusty west winds
are expected later Tuesday into Tuesday night across the lake. A
few gales will be possible during this time.

Brisk southerly flow is then expected to return to Lake Michigan
for later Thursday into Friday night, 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
possible during this time.

LMZ261-362-364-366-563-565-567-868-191630-
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-
242 AM CST Mon Nov 19 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...West winds 10 to 20 kt becoming northwest early this
afternoon, then becoming north to 30 kt late. Snow this morning,
then chance of snow this afternoon. Waves 2 to 4 ft building to
4 to 6 ft occasionally to 8 ft.
.TONIGHT...North winds to 30 kt diminishing to 10 to 20 kt.
Chance of snow in the evening. Waves 5 to 8 ft occasionally to 10
ft building to 7 to 10 ft occasionally to 13 ft, then subsiding
to 5 to 8 ft occasionally to 10 ft.
.TUESDAY...Northwest winds 10 to 15 kt becoming west late in the
morning, then increasing to 10 to 20 kt early in the afternoon
increasing to 30 kt late. Chance of snow showers in the
afternoon. Waves 3 to 5 ft building to 4 to 6 ft occasionally to
8 ft.
.TUESDAY NIGHT...West winds to 30 kt becoming northwest. Chance
of snow and rain showers in the evening. Waves 5 to 8 ft
occasionally to 10 ft.
.WEDNESDAY...North winds 15 to 25 kt diminishing to 10 to 20 kt.
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. Waves 2 to 4 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 gales to 35 kt increasing to gales to 40 kt.
Waves 8 to 11 ft occasionally to 14 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-191630-
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-
242 AM CST Mon Nov 19 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...Southwest winds 10 to 20 kt becoming northwest. Chance
of snow this morning, then slight chance of rain and snow this
afternoon. Waves 2 to 4 ft.
.TONIGHT...Northwest winds to 30 kt becoming north 15 to 25 kt.
Chance of rain and snow. Waves 4 to 6 ft occasionally to 8 ft
building to 7 to 10 ft occasionally to 13 ft.
.TUESDAY...North winds 10 to 20 kt backing to west 15 to 25 kt.
Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
.TUESDAY NIGHT...West winds to 30 kt. Chance of rain showers
overnight. Waves 5 to 8 ft occasionally to 10 ft.
.WEDNESDAY...North winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft
occasionally to 8 ft.
.WEDNESDAY NIGHT...East winds 10 to 15 kt becoming southeast
10 to 20 kt. Waves 3 to 5 ft.
.THURSDAY...Southeast winds 15 to 25 kt becoming south. 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.
Waves 6 to 9 ft occasionally to 12 ft.

$$

LMZ761-191630-
MAFOR 1910/
MICHIGAN NORTH 11617 11627 11727 11830 13840 11830. Snow today
with a chance of snow this evening. Waves 2 to 4 ft building to 4
to 6 ft occasionally to 8 ft today. Waves 5 to 8 ft occasionally
to 10 ft building to 7 to 10 ft occasionally to 13 ft, then
subsiding to 5 to 8 ft occasionally to 10 ft tonight.


MICHIGAN SOUTH 11510 12520 11620 11720 13840. Chance of snow late
this morning into the afternoon. Chance of rain and snow tonight.
Waves 2 to 4 ft today. Waves 4 to 6 ft occasionally to 8 ft
building to 7 to 10 ft occasionally to 13 ft tonight.

$$

DDV

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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