Great Lakes Forecast
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000
FZUS63 KMKX 151949
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
249 PM CDT Mon Oct 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 30.4 inches is situated over the southern Plains
tonight. Low pressure of 29.5 inches will move through northern
Ontario tonight and Tuesday and drag a cold front across Lake
Michigan. Southwest gales are expected late tonight, then west to
northwest gales on Tuesday, along with high waves. High pressure
of 30.4 inches will spread into Iowa on Wednesday and into the
Ohio River Valley on Thursday. Low pressure around 29.4 inches
will slide through northern Ontario, with the associated cold
front tracking across Lake Michigan Friday night.

LMZ261-362-364-366-563-565-567-868-160330-
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-
249 PM CDT Mon Oct 15 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

.TONIGHT...West winds to 30 kt becoming southwest gales to 35 kt
late. Waves 5 to 8 ft occasionally to 10 ft.
.TUESDAY...Southwest gales to 35 kt becoming west to 30 kt.
Slight chance of rain showers in the morning, then chance of rain
showers in the afternoon. Waves 7 to 10 ft occasionally to 13 ft
subsiding to 5 to 8 ft occasionally to 10 ft.
.TUESDAY NIGHT...Northwest winds to 30 kt. Chance of rain
showers. Waves 5 to 8 ft occasionally to 10 ft.
.WEDNESDAY...Northwest winds to 30 kt. Chance of rain showers in
the morning. Waves 4 to 7 ft occasionally to 9 ft.
.WEDNESDAY NIGHT...Northwest winds to 30 kt diminishing to 15 to
25 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft.
.THURSDAY...West winds 15 to 25 kt becoming southwest to 30 kt.
Waves 2 to 4 ft building to 5 to 8 ft occasionally to 10 ft.
.THURSDAY NIGHT...Southwest gales to 35 kt diminishing to 30 kt.
Waves 6 to 9 ft occasionally to 12 ft.
.FRIDAY...Southwest gales to 35 kt. Waves 7 to 10 ft occasionally
to 13 ft.
.SATURDAY...Northwest winds to 30 kt. Chance of rain showers.
Waves 4 to 6 ft occasionally to 8 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-160330-
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-
249 PM CDT Mon Oct 15 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

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

$$

LMZ761-160330-
MAFOR 1521/
MICHIGAN NORTH...GALE WARNING IN EFFECT...14640 12550 11650 11640.
Chance of showers early Tuesday afternoon. Waves 6 to 9 ft
occasionally to 12 ft subsiding to 4 to 7 ft occasionally to 9 ft,
then building to 8 to 11 ft occasionally to 14 ft Tuesday morning,
then subsiding to 6 to 9 ft occasionally to 12 ft Tuesday
afternoon.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...11640 12630 11640 13550
11640. Waves 5 to 8 ft occasionally to 10 ft building to 8 to 11
ft occasionally to 14 ft Tuesday.

$$


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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