Great Lakes Forecast
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000
FZUS63 KMKX 190745
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
245 AM CDT Wed Jun 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...

A cold front will slowly slide down Lake Michigan through late
morning. Areas of fog will be possible over the south part of the
lake this morning. High pressure of 29.9 inches will cross Lake
Superior today. Northerly winds will prevail today and Thursday
with gusts approaching 20 knots. This increase in winds is due to
low pressure of 29.4 inches passing through central Illinois and
Indiana Wednesday night into Thursday. High pressure of 30.0
inches will then move over the region Thursday night into Friday.
Low pressure around 29.7 inches will cross Lake Michigan Saturday
night into Sunday.

LMZ261-362-364-366-563-565-567-868-191515-
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-
245 AM CDT Wed Jun 19 2019

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...North winds 10 to 20 kt. Waves 1 to 3 ft.
.TONIGHT...North winds 10 to 20 kt becoming northeast. Waves 2 to
4 ft.
.THURSDAY...Northeast winds 10 to 20 kt becoming north. Waves
2 to 4 ft.
.THURSDAY NIGHT...North winds 10 to 20 kt becoming northeast less
than 10 kt overnight. Waves 1 to 3 ft subsiding to 1 to 2 ft.
.FRIDAY...East winds 5 to 10 kt. Waves 1 ft or less.
.FRIDAY NIGHT...East winds 5 to 10 kt becoming southeast. Chance
of showers. Waves 1 to 2 ft.
.SATURDAY...Southeast winds 10 to 20 kt. Chance of showers. Waves
2 to 4 ft.
.SUNDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers. Waves 2 to 4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-191515-
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-
245 AM CDT Wed Jun 19 2019

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...North winds 10 to 20 kt. Chance of showers and slight
chance of thunderstorms. Waves 1 to 3 ft.
.TONIGHT...North winds 10 to 20 kt. Chance of showers. Waves 2 to
4 ft.
.THURSDAY...North winds 10 to 20 kt. Chance of showers in the
morning. Waves 2 to 4 ft.
.THURSDAY NIGHT...North winds 10 to 20 kt diminishing to less
than 10 kt overnight. Waves 1 to 3 ft.
.FRIDAY...Southeast winds 5 to 10 kt increasing to 10 to 15 kt.
Waves 1 to 2 ft.
.FRIDAY NIGHT...East winds 10 to 15 kt becoming southeast 10 to
20 kt. Showers likely. Waves 1 to 2 ft building to 1 to 3 ft.
.SATURDAY...Southeast winds 10 to 20 kt increasing to 15 to
25 kt. Showers likely with a chance of thunderstorms. Waves 2 to
4 ft.
.SUNDAY...South winds 10 to 20 kt becoming southwest. Chance of
showers. Waves 2 to 4 ft.

$$

LMZ761-191515-
MAFOR 1909/
MICHIGAN NORTH 13810 14820 11120. Waves 1 to 3 ft today. Waves 2
to 4 ft tonight.

MICHIGAN SOUTH 13810 14820 11820. Chance of showers. Waves 1 to 3
ft today. Waves 2 to 4 ft tonight.

$$


Cronce

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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