fzus63 kmqt 110201
glfls 
expires:202605110800;;356850

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

a 30.2 inch high over manitoba continues to stretch into the upper 
great lakes at 30.3 inches tonight and monday morning. ridging from 
the high persists at around 30.2 inches over lake superior through 
monday evening before eventually being replaced by a 29.7 inch 
clipper descending over western lake superior on tuesday. as the 
clipper continues eastward tuesday night into wednesday, 30.1 inch 
high pressure ridging moves back over lake superior late in the day 
on wednesday. this ridging is pressed southeast to the lower great 
lakes thursday into friday while a 29.4 inch low emanates off the 
northern rockies. troughing of 29.7 inches moves over the lake on 
friday.



lsz162-110800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 pm edt sun may 10 2026 /901 pm cdt sun may 10 2026/

.rest of tonight...north winds 5 to 15 knots veering northeast
late. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots veering southeast in the
afternoon. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. rain showers likely after midnight.
waves building to 1 to 3 feet. 
.tuesday...southeast winds 10 to 20 knots veering northwest by
mid afternoon. rain showers through early afternoon, then a
chance of rain showers by mid afternoon. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.tuesday night...northwest winds 10 to 20 knots. a chance of rain
showers. waves subsiding to calm to 2 feet. 
.wednesday...northwest winds 10 to 20 knots becoming west 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots becoming south less
than 10 knots after midnight. waves calm to 2 feet. 
.thursday...east winds 5 to 15 knots becoming south 10 to
20 knots. a chance of rain showers. waves building to 2 to
4 feet. 
.friday...east winds 10 to 20 knots backing northeast. waves
subsiding to calm to 2 feet, then building to 2 to 4 feet. 

$$

fzus63 kmqt 110201
glfls 
expires:202605110800;;356851

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

a 30.2 inch high over manitoba continues to stretch into the upper 
great lakes at 30.3 inches tonight and monday morning. ridging from 
the high persists at around 30.2 inches over lake superior through 
monday evening before eventually being replaced by a 29.7 inch 
clipper descending over western lake superior on tuesday. as the 
clipper continues eastward tuesday night into wednesday, 30.1 inch 
high pressure ridging moves back over lake superior late in the day 
on wednesday. this ridging is pressed southeast to the lower great 
lakes thursday into friday while a 29.4 inch low emanates off the 
northern rockies. troughing of 29.7 inches moves over the lake on 
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-
1001 pm edt sun may 10 2026

.rest of tonight...northwest winds less than 10 knots veering
north after midnight. waves calm to 2 feet. 
.monday...north winds less than 10 knots becoming south 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots increasing to 10 to
20 knots late. a chance of rain showers after midnight. waves
building to 1 to 3 feet. 
.tuesday...southeast winds 10 to 20 knots veering west by mid
afternoon. rain showers through early afternoon, then a chance of
rain showers by mid afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.tuesday night...northwest winds 10 to 20 knots. a chance of rain
showers. waves subsiding to 2 to 4 feet. 
.wednesday...northwest winds 10 to 20 knots becoming west 5 to
15 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots becoming south less
than 10 knots after midnight. waves calm to 2 feet. 
.thursday...south winds 5 to 15 knots increasing to 10 to
20 knots. a chance of rain showers. waves building to 3 to 5 feet
occasionally to 7 feet. 
.friday...east winds 10 to 20 knots becoming northeast 5 to
15 knots. waves subsiding to 1 to 3 feet, then building to 2 to
4 feet. 

$$