Great Lakes Forecast
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000
FZUS63 KMKX 160746
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
246 AM CDT Tue Oct 16 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 30.4 inches is situated over the southern Plains
tonight. Low pressure of 29.5 inches will move through Ontario,
Canada today and drag a cold front across Lake Michigan late
this afternoon and evening. West to southwest gales are expected
today, then gusty northwest winds tonight. High pressure of 30.4
inches will spread into Iowa on Wednesday and into the Ohio River
Valley on Thursday. Another low pressure around 29.4 inches will
slide through northern Ontario, with the associated cold front
tracking across Lake Michigan Friday night.

LMZ261-362-364-366-563-565-567-868-161530-
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-
246 AM CDT Tue Oct 16 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Southwest gales to 40 kt becoming west to 30 kt. Slight
chance of rain showers this morning, then chance of rain showers
this afternoon. Waves 8 to 11 ft occasionally to 14 ft subsiding
to 6 to 9 ft occasionally to 12 ft.
.TONIGHT...Northwest winds to 30 kt. Chance of rain showers.
Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft.
.WEDNESDAY...Northwest winds to 30 kt. Chance of rain showers in
the morning. Waves 5 to 8 ft occasionally to 10 ft subsiding to
4 to 7 ft occasionally to 9 ft.
.WEDNESDAY NIGHT...Northwest winds to 30 kt diminishing to 10 to
20 kt overnight. Waves 4 to 6 ft occasionally to 8 ft.
.THURSDAY...West winds 10 to 20 kt becoming southwest to 30 kt in
the afternoon. Waves 2 to 4 ft building to 5 to 8 ft occasionally
to 10 ft.
.THURSDAY NIGHT...Southwest winds to 30 kt. Waves 6 to 9 ft
occasionally to 12 ft.
.FRIDAY...Southwest gales to 35 kt. Chance of showers. Waves 6 to
9 ft occasionally to 12 ft building to 7 to 10 ft occasionally to
13 ft.
.SATURDAY...Northwest winds to 30 kt. Rain showers likely. Waves
5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-161530-
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-
246 AM CDT Tue Oct 16 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Southwest gales to 35 kt becoming west. Waves 6 to 9 ft
occasionally to 12 ft building to 8 to 11 ft occasionally to
14 ft.
.TONIGHT...West winds to 30 kt becoming northwest. Waves 6 to
9 ft occasionally to 12 ft.
.WEDNESDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 6 to 9 ft occasionally to 12 ft.
.WEDNESDAY NIGHT...Northwest winds 15 to 25 kt diminishing to
10 to 20 kt. Waves 4 to 7 ft occasionally to 9 ft.
.THURSDAY...Northwest winds 10 to 15 kt becoming southwest 10 to
20 kt. Waves 3 to 5 ft.
.THURSDAY NIGHT...Southwest winds to 30 kt. Waves 4 to 6 ft
occasionally to 8 ft.
.FRIDAY...Southwest winds to 30 kt increasing to gales to 35 kt.
Chance of rain showers. Waves 4 to 7 ft occasionally to 9 ft
building to 5 to 8 ft occasionally to 10 ft.
.SATURDAY...Northwest winds to 30 kt increasing to gales to
35 kt. Waves 7 to 10 ft occasionally to 13 ft subsiding to 6 to
9 ft occasionally to 12 ft.

$$

LMZ761-161530-
MAFOR 1609/
MICHIGAN NORTH...GALE WARNING IN EFFECT...13550 12640 13740.
Chance of showers this afternoon. Chance of rain showers tonight.
Waves 6 to 9 ft occasionally to 12 ft building to 8 to 11 ft
occasionally to 14 ft, then subsiding to 6 to 9 ft occasionally
to 12 ft today. Waves 5 to 8 ft occasionally to 10 ft subsiding
to 4 to 7 ft occasionally to 9 ft tonight.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...14550 12640 12740.
Waves 4 to 7 ft occasionally to 9 ft building to 8 to 11 ft
occasionally to 14 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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