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Marine Forecast
FZUS63 KLOT 271950

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
250 PM CDT Tue Jun 27 2017


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 30.2 inch high is centered over Indiana and its 
ridge axis extends north over the lake. The high will continue 
east across the Ohio Valley and reach the mid Atlantic coast 
Wednesday afternoon. A 29.4 inch low over southern Saskatchewan 
will expand south and form a 29.5 inch low over Minnesota 
Wednesday evening. The low will stall over Lake Superior early 
Thursday morning, and then reach Quebec early Friday morning. Its 
cold front will pass over the lake Thursday. A second low will 
form over the southern plains early Thursday morning, and it will 
pass over the lake at 29.7 inches Friday.

MAFOR 2721/
MICHIGAN NORTH 13420 12520 12440 11446 19456. Chance of 
thunderstorms Wednesday. Waves 2 to 4 feet tonight. Waves 2 to 4 
feet building to 6 to 9 feet occasionally to 12 feet Wednesday. 

MICHIGAN SOUTH 14420 11430 13440. Chance of showers Wednesday. 
Waves 2 to 4 feet tonight. Waves 3 to 5 feet building to 5 to 8 
feet occasionally to 10 feet Wednesday. 



Experimental modernized open lake forecast is available online at

Graphical marine forecasts are available online at:

US Forecasts are Public Domain and derived from the
National Weather Service - (IWIN) and the National Oceanic Atmospheric Administration (NOAA)
Canadian forecasts are obtained from and are copyright of Environment Canada.

All weather information provided by should be used with caution.
We cannot guarantee that the data provided here is 100% accurate or up to date!

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