Expires:202101241700;;402212
FZUS63 KMQT 240858
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
358 AM EST Sun Jan 24 2021

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...A 30.0 inch low pressure trough extending north to south 
across Minnesota will sweep across Lake Superior today. In its wake, 
a 30.4 inch high pressure ridge will build southeast toward the 
Upper Mississippi Valley tonight. This ridge will then reorient 
across southern Manitoba and northern Ontario on Monday as 29.5 inch 
low pressure develops over eastern Kansas and Missouri. As the low 
moves off the Mid-Atlantic Coast on Tuesday, a high pressure center 
of 30.5 inches will settle over southern Manitoba. This high will 
then build to 30.7 inches as it drifts to northern Ontario on 
Wednesday and Thursday. An associated southward extending ridge 
will cross Lake Superior on Thursday. 


LSZ261-241700-
MAFOR 2410/
Superior West 11537 12630 13730 11720 11810. Waves 2 to 5 feet.

Superior North Central 11437 12537 11630 14730. A chance of snow
showers tonight. Waves 2 to 4 feet building to 4 to 7 feet today.
Waves 3 to 6 feet tonight. 

Superior South Central 11437 11537 11530 13630 12730. A chance of
snow showers tonight. Waves 2 to 6 feet.

Superior East 13437 11527 12630 12730. A chance of snow showers
tonight. Waves 2 to 6 feet today building to 5 to 7 feet tonight.

$$

Rolfson

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

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