Great Lakes Forecast
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000
FZUS63 KMKX 121415
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
915 AM CDT Wed Jun 12 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 broad area of low pressure of 29.9 inches over Wisconsin and
northwest Illinois will deepen to 29.7 inches over northern
Indiana this evening. The low will further strengthen to 29.6
inches as it reaches southern Ontario early Thursday afternoon.
Northerly winds will pick up behind the low tonight into Thursday,
with winds possibly hitting gale force across the southern half
of the lake. These winds will build high waves in the south.

Winds will ease later Thursday into Thursday night as high
pressure passes by to the south. Southerly winds will then pick
back up later Friday into Friday night ahead of another
approaching low.

LMZ261-362-364-366-563-565-567-868-122115-
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-
915 AM CDT Wed Jun 12 2019

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...South winds 5 to 10 kt veering to northwest.
Periods of rain showers late this morning, then periods of rain
showers with isolated thunderstorms this afternoon. Waves 1 to
2 ft.
.TONIGHT...North winds 10 to 20 kt increasing to 30 kt. Numerous
rain showers with isolated thunderstorms in the evening, then
chance of rain showers overnight. Waves 1 to 3 ft building to
3 to 5 ft.
.THURSDAY...North winds to 30 kt diminishing to 15 to 25 kt.
Chance of rain showers in the morning. Waves 4 to 7 ft
occasionally to 9 ft.
.THURSDAY NIGHT...Northwest winds 10 to 20 kt becoming west 10 to
15 kt. Waves 3 to 5 ft subsiding to 1 to 3 ft.
.FRIDAY...Southwest winds 10 to 20 kt increasing to 30 kt in the
afternoon. Chance of showers. Waves 2 to 4 ft building to 4 to
6 ft occasionally to 8 ft.
.FRIDAY NIGHT...Southwest winds to 30 kt diminishing to 15 to
25 kt. Chance of showers. Waves 4 to 6 ft occasionally to 8 ft.
.SATURDAY...Southwest winds 10 to 20 kt. Chance of showers and
thunderstorms. Waves 3 to 5 ft.
.SUNDAY...Northeast winds 10 to 15 kt becoming north. Waves 1 to
2 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-122115-
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-
915 AM CDT Wed Jun 12 2019

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
AFTERNOON...

.REST OF TODAY...South winds 10 to 20 kt diminishing to 10 to
15 kt. Scattered showers late this morning, then scattered
showers with isolated thunderstorms this afternoon. Waves 1 to
3 ft.
.TONIGHT...Northwest winds 10 to 15 kt becoming north to 30 kt
from late evening on. Periods of showers with isolated
thunderstorms in the evening, then showers overnight. Waves 1 to
2 ft building to 5 to 8 ft occasionally to 10 ft.
.THURSDAY...North gales to 35 kt becoming northwest to 30 kt.
Chance of rain showers in the morning. Waves 7 to 10 ft
occasionally to 13 ft.
.THURSDAY NIGHT...Northwest winds 10 to 20 kt becoming west.
Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft.
.FRIDAY...Southwest winds 10 to 20 kt increasing to 30 kt in the
afternoon. Waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft.
.FRIDAY NIGHT...Southwest winds 15 to 25 kt. Chance of showers.
Waves 4 to 6 ft occasionally to 8 ft.
.SATURDAY...Southwest winds 10 to 20 kt. Showers likely with a
chance of thunderstorms. Waves 4 to 6 ft occasionally to 8 ft.
.SUNDAY...Northwest winds 10 to 15 kt becoming north. Waves 1 to
2 ft.

$$

LMZ761-122115-
MAFOR 1215/
MICHIGAN NORTH 12406 11716 11826 12836 12840. Chance of showers
Thursday morning. Waves 1 to 3 ft this afternoon. Waves 2 to 4 ft
building to 4 to 6 ft occasionally to 8 ft tonight. Waves 4 to 7
ft occasionally to 9 ft Thursday morning.

MICHIGAN SOUTH 12410 11516 11726 13846 11850. Scattered showers
late this morning. Chance of showers Thursday morning. Waves 1 to
3 ft this afternoon. Waves 1 to 3 ft building to 5 to 8 ft
occasionally to 10 ft tonight. Waves 7 to 10 ft occasionally to
13 ft Thursday morning.

$$


Gehring

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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