Expires:202001181045;;114085
FZUS63 KMQT 180235
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
935 PM EST Fri Jan 17 2020

For waters beyond 5 nautical miles of shore on Lake Superior.

Waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. Occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.SYNOPSIS...High pressure of 30.8 inches exiting east into Quebec
this evening will give way to a 29.8 inch low pressure 
approaching the Upper Great Lakes from the Central Plains. The low
will deepen to 29.5 inches as it transits Lake Michigan during 
the day Saturday. The low will continue its northeastward track 
and exit the region overnight Saturday. High pressure of 30.8 
inches will then build into the northern Dakotas Sunday morning, 
then slowly migrate southeast into South Dakota by Monday. Tuesday
this high will continue drifting southeast into the Ohio Valley 
as it weakens to 30.5 inches. 


LSZ261-181045-
MAFOR 1804/
Superior West 13347 11337 11317 11727 11847 11747. Waves 3 to 6
feet building to 4 to 7 feet overnight then subsiding to 1 to 3 
feet Saturday. Waves 3 to 6 feet building to 4 to 7 feet Saturday 
evening. 

Superior North Central...GALE WARNING IN EFFECT...11340 14347
11257 12147. Waves 3 to 6 feet building to 5 to 9 feet overnight.
Waves 6 to 10 feet Saturday and Saturday evening. 

Superior South Central...GALE WARNING IN EFFECT...14357 11347 
11237 11127 11137. Waves 5 to 8 feet overnight subsiding to 3 to 
6 feet Saturday. Waves 3 to 6 feet Saturday evening. 

Superior East...GALE WARNING IN EFFECT...11340 11347 13357 11247
11237 11137. Waves 3 to 5 feet building to 7 to 10 feet 
overnight then subsiding to 5 to 8 feet Saturday. Waves 3 to 6 
feet Saturday evening. 

$$

JP

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

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