Great Lakes Forecast
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000
FZUS63 KLOT 190153
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
853 PM CDT Mon Jun 18 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 cold front pushing south of Lake Michigan late this
evening will become stationary across central Illinois and
Indiana Tuesday 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, meander around the Central
Plains and Middle Mississippi Valley through Friday. The low will
finally eject newd toward southern Lake Michigan by Friday night
or Saturday morning.

LMZ261-362-364-366-563-565-567-868-190915-
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-
853 PM CDT Mon Jun 18 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...North winds 10 to 15 kt becoming northeast.
Slight chance of showers and thunderstorms overnight. Waves 1 to 3
ft.
.TUESDAY...Northeast winds 10 to 15 kt. Slight chance of showers
and thunderstorms in the afternoon. Waves 1 to 3 ft.
.TUESDAY NIGHT...Northeast winds 5 to 10 kt. Waves 1 to 2 ft.
.WEDNESDAY...Northeast winds 5 to 10 kt becoming north. 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...East winds 10 to 15 kt. 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 2 to 4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-190915-
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-
853 PM CDT Mon Jun 18 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...North gales to 35 kt diminishing to 10 to
20 kt. Chance of showers and thunderstorms this evening, then
slight chance of showers and thunderstorms overnight. Waves 2 to
4 ft subsiding to 1 to 3 ft.
.TUESDAY...Northeast winds 10 to 15 kt. Slight chance of showers
and thunderstorms in the morning, then chance of showers and
thunderstorms in the afternoon. Waves 1 to 3 ft.
.TUESDAY NIGHT...Northeast winds 10 to 15 kt. Chance of showers
and thunderstorms. Waves 1 to 3 ft.
.WEDNESDAY...Northeast winds 10 to 15 kt. Chance of showers and
thunderstorms in the morning. Waves 1 to 3 ft.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 kt. Waves 1 to 3 ft.
.THURSDAY...Northeast winds 10 to 15 kt. Waves 1 to 3 ft.
.THURSDAY NIGHT...Northeast winds 10 to 20 kt becoming east.
Waves 3 to 5 ft.
.FRIDAY...East winds 10 to 20 kt. Chance of showers and
thunderstorms. Waves 3 to 5 ft.
.SATURDAY...North winds 10 to 20 kt. Chance of showers and
thunderstorms. Waves 2 to 4 ft.

$$
LMZ761-190915-
MAFOR 1903/
MICHIGAN NORTH 12810 14110 11110 11100. Waves 1 to 3 ft.

MICHIGAN SOUTH 12820 15110. Chance of showers and thunderstorms
late this evening, Tuesday, and Tuesday evening. Waves 2 to 4 ft
subsiding to 1 to 3 ft overnight. Waves 1 to 3 ft Tuesday and
Tuesday evening.

$$

BMD

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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