Great Lakes Forecast
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FZUS63 KLOT 151343
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
843 AM CDT Sun Jul 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...Low pressure of 29.4 inches over northern Manitoba
will move to Quebec by Monday night. A cold front trailing south
from this low will move across the lake Monday with a secondary
cold moving south down the lake Monday night. In the wake of the
front, high pressure of 30.2 inches will build southeast from the
northern and central Plains Monday night into the western Great
Lakes region Tuesday night. This high will continue slowly
eastward, reaching New England by Thursday morning.

LMZ261-362-364-366-563-565-567-868-152115-
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-
843 AM CDT Sun Jul 15 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

...DENSE FOG ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON...

.REST OF TODAY...South winds 5 to 15 kt becoming southwest. Areas
of dense fog through mid afternoon, then areas of fog. Waves 1 ft
or less.
.TONIGHT...Southwest winds 10 to 15 kt increasing to 10 to 20 kt
by midnight, then becoming southwest 10 to 15 kt late. Areas of
fog in the evening. Chance of showers and thunderstorms overnight.
Waves 1 to 2 ft.
.MONDAY...Northwest winds 10 to 15 kt increasing to 10 to 20 kt,
then becoming west 10 to 15 kt late. Waves 1 to 2 ft.
.MONDAY NIGHT...Northwest winds 10 to 20 kt becoming north. Waves
1 to 3 ft building to 2 to 4 ft.
.TUESDAY...North winds 10 to 20 kt. Waves 2 to 4 ft.
.TUESDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 2 to 4 ft.
.WEDNESDAY...North winds 10 to 15 kt backing to southwest. Waves
1 to 2 ft.
.THURSDAY...South winds 10 to 20 kt. Waves 1 to 3 ft building to
2 to 4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-152115-
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-
843 AM CDT Sun Jul 15 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Southeast winds 5 to 10 kt becoming east 5 to 15
kt. Waves 1 ft or less.
.TONIGHT...Southeast winds 10 to 15 kt becoming southwest. Slight
chance of showers and thunderstorms overnight. Waves 1 ft or
less.
.MONDAY...West winds 10 to 15 kt veering to northwest 10 to 20
kt. Chance of showers and thunderstorms in the morning. Waves 1 to
3 ft.
.MONDAY NIGHT...Northwest winds 15 to 25 kt becoming north. Waves
1 to 3 ft building to 3 to 5 ft.
.TUESDAY...North winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 4 to 6 ft occasionally to 8 ft.
.TUESDAY NIGHT...Northeast winds 15 to 25 kt diminishing to 10 to
20 kt. Waves 4 to 6 ft occasionally to 8 ft.
.WEDNESDAY...Northeast winds 10 to 15 kt. Waves 2 to 4 ft
subsiding to 1 to 2 ft.
.THURSDAY...South winds 10 to 20 kt becoming southeast. Waves
2 to 4 ft.

$$
LMZ761-152115-
MAFOR 1515/
MICHIGAN NORTH 11404 11504 11503 11513 11410 12510 11710. Chance
of showers and thunderstorms overnight. Waves 1 to 3 ft.

MICHIGAN SOUTH 11300 13310 12410 11510 11610. Chance of showers
and thunderstorms Monday morning. Waves 1 ft or less.

$$

Kluber

Experimental modernized open lake forecast is available online at
weather.gov/lot/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes



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