fzus63 kmqt 102001
glfls 
expires:202608110800;;956308

open lake forecast for lake superior
national weather service marquette mi
401 pm edt mon aug 10 2026

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...

weak 29.9 inch ridge persists through tuesday. weak troughing of 
around 29.8 inches moves over the lake tuesday night into wednesday 
before high pressure gradually builds over the great lakes from 
western canada late in the week, strengthening to 30.2 inches by 
friday.




lsz162-110800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt mon aug 10 2026 /301 pm cdt mon aug 10 2026/

.late this afternoon...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...southwest winds 5 to 15 knots veering north after
midnight, then diminishing to less than 10 knots late. waves calm
to 2 feet. 
.tuesday...north winds less than 10 knots veering east in the
afternoon, then becoming southeast 5 to 15 knots late. waves calm
to 2 feet. 
.tuesday night...northeast winds 5 to 15 knots backing north
after midnight. waves calm to 2 feet. 
.wednesday...north winds less than 10 knots becoming south 5 to
15 knots by mid afternoon. a slight chance of showers through
early afternoon. waves calm to 2 feet. 
.wednesday night...northeast winds 5 to 15 knots backing north
after midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots backing southwest by mid
afternoon. waves calm to 2 feet. 
.thursday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.friday...east winds 10 to 20 knots. a chance of showers. waves
calm to 2 feet. 
.saturday...east winds 10 to 20 knots backing north. a chance of
showers. waves calm to 2 feet. 

$$

fzus63 kmqt 102001
glfls 
expires:202608110800;;956309

open lake forecast for lake superior
national weather service marquette mi
401 pm edt mon aug 10 2026

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...

weak 29.9 inch ridge persists through tuesday. weak troughing of 
around 29.8 inches moves over the lake tuesday night into wednesday 
before high pressure gradually builds over the great lakes from 
western canada late in the week, strengthening to 30.2 inches by 
friday.




lsz263-110800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
401 pm edt mon aug 10 2026

.late this afternoon...southwest winds 10 to 20 knots. waves calm
to 2 feet. 
.tonight...southwest winds 5 to 15 knots veering west after
midnight, then diminishing to less than 10 knots late. waves calm
to 2 feet. 
.tuesday...west winds less than 10 knots becoming northeast 5 to
15 knots in the afternoon, then veering south late. waves calm to
2 feet. 
.tuesday night...southwest winds 5 to 15 knots becoming west less
than 10 knots after midnight, then veering northwest late. waves
calm to 2 feet. 
.wednesday...north winds less than 10 knots becoming east 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.wednesday night...north winds less than 10 knots becoming
northwest 5 to 15 knots after midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots backing northwest by mid
afternoon. waves calm to 2 feet. 
.thursday night...north winds less than 10 knots. waves calm to
2 feet. 
.friday...northeast winds 5 to 15 knots veering southeast. waves
calm to 2 feet. 
.saturday...east winds 5 to 15 knots backing north. a chance of
showers. waves calm to 2 feet. 

$$