Expires:202207032145;;610072
FZUS63 KMQT 031339
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
939 AM EDT Sun Jul 3 2022

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...Broad sfc high pressure of 30.2 inches will drift 
over the Great Lakes region today. As the high moves to the Mid- 
Atlantic states tonight, a 29.8 inch low pressure trough will 
develop northeast across the Northern Plains toward the Upper 
Mississippi Valley. This trough will develop farther into the 
northern Great Lakes on Monday. As the trough then aligns from the
Central Plains to the Lower Great Lakes region during Tuesday, a 
broad 30.1 inch high pressure will build southeast across northern
Ontario. As this high shifts toward southern Quebec on Wednesday,
a 29.9 inch low pressure trough will move east to the Dakotas. 
This trough will cross Lake Superior on Thursday or Friday. In its
wake, 30.2 inch high pressure will build southeast to northern 
Ontario. 

&&


LSZ261-032145-
MAFOR 0315/
Superior West 12200 12210 14116. A chance of thunderstorms
overnight and Monday morning. Waves 2 feet or less. 

Superior North Central 11600 11500 13310 12316 11320. Waves 2
feet or less this afternoon and tonight. Waves 1 to 3 feet Monday
morning. 

Superior South Central 11800 11200 12310 14316. Waves 2 feet or
less this afternoon and tonight. Waves 1 to 3 feet Monday
morning. 

Superior East 11600 11700 11200 12300 13316. Waves 1 to 2 feet. 

$$

WFO MQT

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

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