Great Lakes Forecast
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000
FZUS63 KMKX 190835
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
235 AM CST Sat Jan 19 2019

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...

Low pressure of 29.5 inches will move from the southern Plains
into the Ohio Valley today. This will bring gusty north to
northeast winds to Lake Michigan that linger through the
weekend. Isolated gales are possible today along with an
increasing threat for freezing spray through the weekend. Heavy
freezing spray is expected across the northern half of Lake
Michigan today into Sunday morning.

High pressure of 30.6 inches will move across Ontario later
Sunday into Sunday night, bringing lighter winds. South winds will
increase on Monday into Tuesday, ahead the next low of 29.6
inches approaching the region.

LMZ261-362-364-366-563-565-567-868-191615-
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-
235 AM CST Sat Jan 19 2019

SHEBOYGAN WI TO PENTWATER MI NORTH...

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 6 AM CST THIS
MORNING THROUGH SUNDAY MORNING...

.TODAY...Northeast winds 15 to 25 kt. Heavy freezing spray this
morning, then freezing spray this afternoon. Chance of snow this
morning, then slight chance of snow this afternoon. Waves 4 to
7 ft occasionally to 9 ft.
.TONIGHT...Northeast winds 15 to 25 kt becoming north. Freezing
spray in the evening, then heavy freezing spray overnight. Chance
of snow. Waves 5 to 8 ft occasionally to 10 ft.
.SUNDAY...North winds 15 to 25 kt diminishing to 10 to 20 kt.
Chance of snow in the morning. Heavy freezing spray. Waves 4 to
7 ft occasionally to 9 ft.
.SUNDAY NIGHT...Northeast winds 15 to 25 kt diminishing to 10 to
20 kt. Heavy freezing spray in the evening, then freezing spray
overnight. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft.
.MONDAY...Southeast winds 10 to 20 kt becoming south 15 to 25 kt.
Freezing spray. Waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft.
.MONDAY NIGHT...South winds to 30 kt. Freezing spray. Chance of
snow. Waves 7 to 10 ft occasionally to 13 ft.
.TUESDAY...South winds to 30 kt. Freezing spray. Chance of snow
and light freezing rain. Waves 7 to 10 ft occasionally to 13 ft
subsiding to 6 to 9 ft occasionally to 12 ft.
.WEDNESDAY...Northwest winds to 30 kt diminishing to 10 to 20 kt.
Freezing spray. Waves 4 to 6 ft occasionally to 8 ft subsiding to
3 to 5 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-191615-
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-
235 AM CST Sat Jan 19 2019

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...Northeast winds to 30 kt. Freezing spray. Snow this
morning, then chance of snow this afternoon. Waves 7 to 10 ft
occasionally to 13 ft.
.TONIGHT...Northeast winds to 30 kt becoming north. Freezing
spray. Chance of snow. Waves 7 to 10 ft occasionally to 13 ft.
.SUNDAY...North winds 10 to 20 kt. Chance of snow in the morning.
Freezing spray. Waves 5 to 8 ft occasionally to 10 ft subsiding
to 4 to 7 ft occasionally to 9 ft.
.SUNDAY NIGHT...Northeast winds 15 to 25 kt becoming east 10 to
20 kt. Freezing spray. Waves 4 to 7 ft occasionally to 9 ft
subsiding to 4 to 6 ft occasionally to 8 ft.
.MONDAY...Southeast winds 10 to 20 kt increasing to 15 to 25 kt.
Freezing spray. Waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft.
.MONDAY NIGHT...Southeast winds to 30 kt becoming south. Freezing
spray. Waves 7 to 10 ft occasionally to 13 ft.
.TUESDAY...South winds to 30 kt increasing to gales to 35 kt.
Light freezing rain and rain. Waves 7 to 10 ft occasionally to
13 ft subsiding to 6 to 9 ft occasionally to 12 ft.
.WEDNESDAY...Northwest winds to 30 kt diminishing to 10 to 20 kt.
Freezing spray. Waves 4 to 7 ft occasionally to 9 ft.

$$

LMZ761-191615-
MAFOR 1910/
MICHIGAN NORTH 11122 11132 14130 12832. Chance of snow this
morning and tonight. Waves 4 to 7 ft occasionally to 9 ft today.
Waves 5 to 8 ft occasionally to 10 ft tonight.

MICHIGAN SOUTH 13147 14140 11842. Chance of snow this afternoon
and tonight. Waves 6 to 9 ft occasionally to 12 ft building to 7
to 10 ft occasionally to 13 ft today. Waves 7 to 10 ft
occasionally to 13 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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