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National Weather Service Marine Forecast FZUS63 KLOT

FZUS63 KLOT 191359
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
859 AM CDT Tue Jun 19 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
A frontal boundary will remain stationary across
central Illinois and Indiana through Thursday. High pressure of
30.1 inches will extend from the far northern Great Plains to
southeast Ontario through the end of the week. A 29.6 inch low
will form over the Central Plains Wednesday and meander around
the Central Plains and Middle Mississippi Valley through Friday.
This low will finally move across the Great Lakes region on
Saturday.

LMZ261-362-364-366-563-565-567-868-192115-
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-
859 AM CDT Tue Jun 19 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

REST OF TODAY
Northeast winds 10 to 15 kt. Chance of showers
and thunderstorms. Waves 1 to 2 ft.

TONIGHT
Northeast winds 10 to 15 kt diminishing to 5 to 10 kt.
Waves 1 to 2 ft.

WEDNESDAY
North winds 5 to 10 kt increasing to 10 to 15 kt.
Waves 1 to 2 ft.

WEDNESDAY NIGHT
North winds 10 to 15 kt becoming northeast.
Waves 1 to 3 ft.

THURSDAY
Northeast winds 10 to 15 kt. Waves 1 to 3 ft.

THURSDAY NIGHT
Northeast winds 10 to 15 kt becoming east.
Waves 1 to 3 ft.

FRIDAY
East winds 10 to 15 kt becoming northeast. Waves 1 to
2 ft.

SATURDAY
Northeast winds 10 to 20 kt becoming north. Chance
of showers and thunderstorms. Waves 1 to 3 ft.



LMZ080-669-671-673-675-777-779-870-872-874-876-878-192115-
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-
859 AM CDT Tue Jun 19 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

REST OF TODAY
Northeast winds 10 to 15 kt increasing to 10 to
20 kt. Chance of showers and thunderstorms. Waves 2 to 4 ft.

TONIGHT
Northeast winds 10 to 20 kt. Chance of showers and
thunderstorms. Waves 2 to 4 ft.

WEDNESDAY
Northeast winds 10 to 15 kt becoming north. Waves
2 to 4 ft.

WEDNESDAY NIGHT
Northeast winds 10 to 15 kt. Waves 1 to 3 ft.

THURSDAY
East winds 10 to 20 kt becoming northeast 10 to 15
kt. Waves 1 to 3 ft.

THURSDAY NIGHT
Northeast winds 10 to 20 kt becoming east.
Waves 2 to 4 ft.

FRIDAY
East winds 10 to 20 kt. Chance of showers. Waves 3 to
5 ft.

SATURDAY
Northwest winds 10 to 20 kt. Waves 2 to 4 ft.


LMZ761-192115-
MAFOR 1915/
MICHIGAN NORTH 15110 12100. Chance of showers and thunderstorms
this afternoon. Waves 1 to 2 ft.

MICHIGAN SOUTH 11110 15120 11110. Chance of showers and
thunderstorms this afternoon. Chance of showers and thunderstorms
late tonight. Waves 2 to 4 ft.



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

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