Great Lakes Forecast
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000
FZUS63 KLOT 240146
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
846 PM CDT Wed May 23 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 30.2 inches over Lower Michigan this
evening will shift to the eastern lakes by Thursday and to the
mid Atlantic Coast Thursday night. Low pressure of 29.5 inches
will move from Manitoba Thursday night into the Upper Midwest
Saturday, then to Lake Michigan Sunday at 29.8 inches.

LMZ261-362-364-366-563-565-567-868-240930-
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-
846 PM CDT Wed May 23 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...South winds 10 to 15 kt. Areas of dense fog,
especially north. Waves 1 to 3 ft.
.THURSDAY...South winds 10 to 15 kt increasing to 10 to 20 kt.
Areas of dense fog in the morning, then patchy fog in the
afternoon. Waves building to 2 to 4 ft.
.THURSDAY NIGHT...South winds 10 to 20 kt increasing to 15 to
25 kt. Waves 2 to 4 ft.
.FRIDAY...South winds 15 to 25 kt diminishing to 10 to 20 kt.
Chance of showers and thunderstorms in the afternoon. Waves 3 to
5 ft.
.FRIDAY NIGHT...Southwest winds 10 to 20 kt. Chance of showers
and thunderstorms. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.SATURDAY...Southwest winds 10 to 15 kt becoming south. Chance of
showers and thunderstorms. Waves 1 to 3 ft.
.SATURDAY NIGHT...South winds 10 to 15 kt. Waves 1 to 2 ft.
.SUNDAY...Southwest winds 5 to 10 kt. Waves 1 to 2 ft.
.MONDAY...North winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-240930-
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-
846 PM CDT Wed May 23 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.REST OF TONIGHT...Southeast winds 5 to 10 kt. Patchy dense fog.
Waves 1 to 2 ft.
.THURSDAY...South winds 5 to 10 kt becoming southeast. Patchy
dense fog in the morning, then patchy fog in the afternoon. Waves
1 to 3 ft.
.THURSDAY NIGHT...Southeast winds 10 to 15 kt becoming south
10 to 20 kt. Waves 1 to 3 ft.
.FRIDAY...South winds 10 to 20 kt. Waves 2 to 4 ft.
.FRIDAY NIGHT...South winds 10 to 20 kt becoming southwest.
Chance of showers and thunderstorms. Waves 2 to 4 ft.
.SATURDAY...Southwest winds 10 to 15 kt becoming south. Waves
1 to 3 ft.
.SATURDAY NIGHT...South winds 10 to 15 kt becoming southwest.
Waves 1 to 2 ft.
.SUNDAY...Southwest winds 5 to 10 kt becoming south 10 to 15 kt.
Waves 1 to 2 ft.
.MONDAY...North winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.

$$
LMZ761-240930-
MAFOR 2403/
MICHIGAN NORTH 14414 13420 11430. Waves 1 to 3 ft overnight.
Waves 2 to 4 ft Thursday. Waves 3 to 5 ft Thursday evening.

MICHIGAN SOUTH 11314 13300 19304 12410 12310. Waves 1 to 3 ft.

$$

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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