Great Lakes Forecast
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FZUS63 KMKX 150904
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
304 AM CST Sat Dec 15 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 will be over the region today.
Another high pressure of 30.4 inches will move into the Central
Plains on Sunday, and into Minnesota Sunday night. Meanwhile, low
pressure of 29.2 inches will move across Hudson Bay Sunday into
Sunday night, dragging a cold front across the lake and turning
winds to the northwest.

High pressure of 30.3 inches will then settle into the Great Lakes
for Monday into Tuesday.

LMZ261-362-364-366-563-565-567-868-151630-
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-
304 AM CST Sat Dec 15 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...Northeast winds 10 to 20 kt becoming east 10 to 15 kt
late this morning, then becoming southeast early this afternoon
becoming south late. Waves 1 to 2 ft.
.TONIGHT...South winds 5 to 10 kt increasing to 10 to 20 kt.
Waves 1 to 2 ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming west. Waves 2 to
4 ft.
.SUNDAY NIGHT...West winds to 30 kt becoming northwest. Waves
4 to 6 ft occasionally to 8 ft.
.MONDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 4 to 6 ft occasionally to 8 ft.
.MONDAY NIGHT...Northwest winds 10 to 20 kt diminishing to 5 to
10 kt. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.TUESDAY...Southwest winds 10 to 20 kt becoming south to 30 kt.
Waves 1 to 3 ft building to 4 to 6 ft occasionally to 8 ft.
.WEDNESDAY...Southwest winds 15 to 25 kt. Waves 4 to 7 ft
occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft.

$$

LMZ669-671-673-675-151630-
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-
304 AM CST Sat Dec 15 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH TO WINTHROP HARBOR IL TO SOUTH
HAVEN MI...

.TODAY...Northeast winds 10 to 20 kt. Waves 1 to 3 ft.
.TONIGHT...Northeast winds 10 to 15 kt veering to southeast.
Waves 1 to 3 ft.
.SUNDAY...Southwest winds 10 to 15 kt becoming west 10 to 20 kt.
Waves 1 to 3 ft.
.SUNDAY NIGHT...Northwest winds 15 to 25 kt increasing to 30 kt.
Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.
.MONDAY...Northwest winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 4 to 6 ft occasionally to 8 ft.
.MONDAY NIGHT...Northwest winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.TUESDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 1 to 2 ft building to 3 to 5 ft.
.WEDNESDAY...Southwest winds 10 to 20 kt. Waves 3 to 5 ft.

$$

LMZ080-777-779-870-872-874-876-878-151630-
Lake Michigan from Michigan City IN to St. Joseph MI 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-
304 AM CST Sat Dec 15 2018

WINTHROP HARBOR IL TO SOUTH HAVEN MI SOUTH...

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING...

.TODAY...Northeast winds 10 to 20 kt. Patchy dense fog this
morning. Waves 2 to 4 ft.
.TONIGHT...Northeast winds 10 to 20 kt becoming east 5 to 10 kt.
Waves 1 to 3 ft.
.SUNDAY...South winds 10 to 15 kt veering to west 10 to 20 kt.
Waves 1 to 3 ft.
.SUNDAY NIGHT...Northwest winds to 30 kt. Waves 3 to 5 ft
building to 4 to 7 ft occasionally to 9 ft.
.MONDAY...Northwest 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.
.MONDAY NIGHT...North winds 10 to 20 kt becoming northwest 5 to
10 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.TUESDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 1 to 2 ft building to 3 to 5 ft.
.WEDNESDAY...Southwest winds 10 to 20 kt becoming south. Waves
4 to 6 ft occasionally to 8 ft.

$$

LMZ761-151630-
MAFOR 1510/
MICHIGAN NORTH 11120 11220 11210 12400 13410. Waves 1 to 3 feet.


MICHIGAN SOUTH 12120 19124 11220 12120 12110 11200. Waves 2 to 4
ft. Patchy dense fog this morning.

$$

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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