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Marine Forecast
Expires:201710200930;;113724
FZUS63 KLOT 200138
GLFLM 

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
838 PM CDT Thu Oct 19 2017

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...Expansive high pressure of 30.3 inches will remain 
over the eastern Ohio Valley and mid Atlantic Coast through 
Friday, and then gradually shift to the east through the weekend. 
Meanwhile, a strong low averaging 29.1 inches over Hudson Bay will
move to Quebec tonight. Another strong low pressure will move 
across the Canadian Prairies on Friday and Saturday and to Hudson 
Bay on Sunday, with its trailing cold front crossing the lake by 
Sunday.

LMZ761-200930-
MAFOR 2003/
MICHIGAN NORTH 13520 12530 11430 12440. Waves 3 to 6 feet
occasionally to 8 ft overnight. Waves 3 to 6 feet occasionally to
8 ft building to 4 to 7 feet occasionally to 9 feet Friday. Waves
4 to 7 feet occasionally to 9 feet Friday evening. 

MICHIGAN SOUTH 13420 14430 11430. Waves 2 to 4 feet overnight.
Waves building to 4 to 6 feet occasionally to 8 feet Friday. 
Waves 4 to 6 feet occasionally to 8 feet Friday evening. 

$$

JEE

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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We cannot guarantee that the data provided here is 100% accurate or up to date!


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