fzus63 kmqt 090201
glfls 
expires:202605090800;;247066

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt fri may 8 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... 

troughing is deepening to 29.5 inches over the lake his evening, 
extending from 29.4 inch low pressure over hudson bay. the trough 
pushes east into quebec by saturday afternoon as 30.3 inch high 
pressure builds over the canadian prairie this weekend. the high 
shifts east to the great lakes at 30.3 inches by sunday night. 
ridging persists at around 30.2 inches over lake superior through 
monday, followed by a 29.7 inch trough on tuesday as high pressure 
weakens and shifts to the east coast.



lsz162-090800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 pm edt fri may 8 2026 /901 pm cdt fri may 8 2026/

.rest of tonight...north winds 5 to 15 knots backing west after
midnight, then veering northwest late. waves calm to 2 feet. 
.saturday...northwest winds 10 to 20 knots backing west in the
afternoon. waves calm to 2 feet. 
.saturday night...northwest winds 10 to 20 knots. waves calm to
2 feet. 
.sunday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.sunday night...north winds 5 to 15 knots. 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 becoming north 5 to
15 knots. a chance of rain showers. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.wednesday...west winds 5 to 15 knots backing southwest. waves
calm to 2 feet. 

$$

fzus63 kmqt 090201
glfls 
expires:202605090800;;247067

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt fri may 8 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... 

troughing is deepening to 29.5 inches over the lake his evening, 
extending from 29.4 inch low pressure over hudson bay. the trough 
pushes east into quebec by saturday afternoon as 30.3 inch high 
pressure builds over the canadian prairie this weekend. the high 
shifts east to the great lakes at 30.3 inches by sunday night. 
ridging persists at around 30.2 inches over lake superior through 
monday, followed by a 29.7 inch trough on tuesday as high pressure 
weakens and shifts to the east coast.



lsz263-090800-
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 pm edt fri may 8 2026

.rest of tonight...west winds 5 to 15 knots veering northwest
late. a chance of rain showers by midnight. waves calm to 2 feet.
.saturday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots veering northwest
after midnight. waves building to 1 to 3 feet, then subsiding to
calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.sunday night...west 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...southeast winds 5 to 15 knots. waves calm to
2 feet. 
.tuesday...southeast winds 5 to 15 knots backing north. a chance
of rain showers. waves building to 1 to 3 feet, then subsiding to
calm to 2 feet. 
.wednesday...west winds 5 to 15 knots backing southwest. waves
calm to 2 feet. 

$$