Expires:202404261600;;391818
FZUS63 KMQT 260753
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
353 AM EDT Fri Apr 26 2024

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 high pressure of 30.4 inches over Quebec and the 
Lower Great Lakes will build to 30.5 inches as it shifts to New 
England and the Maritime Provinces today. Meanwhile, low pressure of 
29.4 inches over western Kansas will deepen to 29.2 inches today as 
it lifts to eastern Nebraska. This low will continue to track 
northeast, weakening to 29.6 inches by the time it reaches northeast 
Lake Superior on Saturday evening. On Sunday, 30.5 inch high 
pressure will build over northern Ontario as a 29.6 inch low 
pressure lifts northeast across the central Plains. This low will 
continue to track northeast, crossing western Lake Superior during 
Monday. As the low moves over northern Ontario Monday night, a weak 
30.0 inch ridge will shift east across the Mississippi Valley. On 
Tuesday, the ridge will shift toward the Appalachians as the next 
low pressure of 29.7 inches tracks from North Dakota to far northern 
Minnesota. 


LSZ261-261600-
MAFOR 2609/
Superior West 12320 11210 12220 13236. Waves 1 to 5 feet.

Superior North Central 11430 12330 13340 12346. Waves 3 to 7 feet
today building to 6 to 9 feet tonight.

Superior South Central 11430 11320 11330 12340 11330 11336 11346.
Waves 2 to 5 feet today building to 4 to 7 feet tonight.

Superior East 11420 12320 11330 12340 11330 11346. Waves 2 to 6 
feet today and 5 to 9 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