fzus63 kmqt 082101
glfls 
expires:202602090900;;309983

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun feb 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...

a 30.5 inch high over the great lakes will continue to shift 
eastward through monday afternoon as a 29.7 inch low moves through 
the canadian prairies. this low will move through ontario on monday 
night into tuesday, dragging a 29.7 inch through lake superior. the 
low will deepen to 29.5 inches by tuesday night as it moves into 
southern quebec, then weaken thereafter. tuesday night as high 
pressure of 30.3 inches fills in over manitoba and western ontario. 
this high moves over the lake thursday morning at 30.4 inches.



lsz162-090900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est sun feb 8 2026 /300 pm cst sun feb 8 2026/

.late this afternoon...southeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...south winds 5 to 15 knots increasing to 10 to 20 knots
by midnight. a chance of snow showers. waves calm to 2 feet. 
.monday...south winds 10 to 20 knots becoming southwest 15 to
25 knots by late morning, then diminishing to 10 to 20 knots by
mid afternoon. a slight chance of snow showers in the morning,
then a chance of rain showers, possibly mixed with sleet and
freezing rain in the afternoon. waves building to 1 to 3 feet,
then subsiding to calm to 2 feet. 
.monday night...west winds 10 to 20 knots increasing to 15 to
25 knots late. a chance of snow showers, possibly mixed with rain
in the evening. waves calm to 2 feet. 
.tuesday...west winds 15 to 25 knots. waves calm to 2 feet. 
.tuesday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots becoming north less
than 10 knots after midnight. waves calm to 2 feet. 
.thursday...south winds less than 10 knots becoming southwest
5 to 15 knots. waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 082101
glfls 
expires:202602090900;;309984

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun feb 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...

a 30.5 inch high over the great lakes will continue to shift 
eastward through monday afternoon as a 29.7 inch low moves through 
the canadian prairies. this low will move through ontario on monday 
night into tuesday, dragging a 29.7 inch through lake superior. the 
low will deepen to 29.5 inches by tuesday night as it moves into 
southern quebec, then weaken thereafter. tuesday night as high 
pressure of 30.3 inches fills in over manitoba and western ontario. 
this high moves over the lake thursday morning at 30.4 inches.



lsz263-090900-
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-
400 pm est sun feb 8 2026

.late this afternoon...south winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...south winds 10 to 20 knots. a chance of snow showers
after midnight. waves building to 2 to 4 feet. 
.monday...south winds 15 to 25 knots becoming southwest 10 to
20 knots. a chance of snow showers. a chance of rain showers,
possibly mixed with freezing rain and sleet in the afternoon.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 1 to 3 feet. 
.monday night...southwest winds 10 to 20 knots veering west by
midnight, then increasing to 15 to 25 knots late. rain showers
likely in the evening. a chance of snow showers. waves subsiding
to calm to 2 feet, then building to 2 to 4 feet. 
.tuesday...west winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.tuesday night...northwest winds 15 to 25 knots. waves subsiding
to calm to 2 feet. 
.wednesday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots becoming northwest
less than 10 knots after midnight. waves calm to 2 feet. 
.thursday...south winds less than 10 knots becoming southwest
5 to 15 knots. waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$