fzus63 kmqt 091402
glfls 
expires:202605092000;;273927

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sat may 9 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... 

a 29.5 inch low just east of lake superior pushes east over ontario 
through this afternoon before arriving over western quebec this 
evening. behind the low, ridging progressively builds over the lake 
as a 30.2 inch high pressure over the canadian prairies builds 
towards the great lakes this weekend. the high shifts southeast into 
the western great lakes at 30.3 inches sunday night into monday. 
ridging from the high persists at around 30.2 inches over lake 
superior through monday evening. the ridging is eventually replaced 
by a 29.7 inch clipper descending over western lake superior on 
tuesday as the previous high pressure weakens and shifts to the east 
coast. as the clipper continues towards the eastern great lakes 
tuesday night into wednesday, 30.1 inch high pressure ridging moves 
over lake superior on wednesday.



lsz162-092000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt sat may 9 2026 /901 am cdt sat may 9 2026/

.rest of today...northwest winds 10 to 20 knots backing west in
the afternoon. waves calm to 2 feet. 
.tonight...northwest winds 10 to 20 knots. waves calm to 2 feet. 
.sunday...northwest winds 10 to 20 knots becoming west 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.monday...north winds less than 10 knots becoming south 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots. a chance of rain
showers after midnight. waves calm to 2 feet. 
.tuesday...east winds 10 to 20 knots backing north. rain showers.
waves building to 2 to 4 feet, then subsiding to calm to 2 feet. 
.wednesday...west winds 5 to 15 knots veering north. waves calm
to 2 feet. 

$$

fzus63 kmqt 091402
glfls 
expires:202605092000;;273928

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sat may 9 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... 

a 29.5 inch low just east of lake superior pushes east over ontario 
through this afternoon before arriving over western quebec this 
evening. behind the low, ridging progressively builds over the lake 
as a 30.2 inch high pressure over the canadian prairies builds 
towards the great lakes this weekend. the high shifts southeast into 
the western great lakes at 30.3 inches sunday night into monday. 
ridging from the high persists at around 30.2 inches over lake 
superior through monday evening. the ridging is eventually replaced 
by a 29.7 inch clipper descending over western lake superior on 
tuesday as the previous high pressure weakens and shifts to the east 
coast. as the clipper continues towards the eastern great lakes 
tuesday night into wednesday, 30.1 inch high pressure ridging moves 
over lake superior on wednesday.



lsz263-092000-
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-
1001 am edt sat may 9 2026

.rest of today...northwest winds 5 to 15 knots backing west late.
waves calm to 2 feet building to 1 to 3 feet, then subsiding to
calm to 2 feet. 
.tonight...west winds 5 to 15 knots veering northwest after
midnight. waves subsiding to calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.monday...northwest winds 5 to 15 knots backing south by mid
afternoon. waves calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots. waves building to
1 to 3 feet. 
.tuesday...southeast winds 10 to 20 knots backing north. rain
showers likely. waves building to 2 to 4 feet, then subsiding to
1 to 3 feet. 
.wednesday...northwest winds 5 to 15 knots backing west. waves
subsiding to calm to 2 feet. 

$$