fzus63 kmqt 022101
glfls 
expires:202602030900;;981447

open lake forecast for lake superior
national weather service marquette mi
400 pm est mon feb 2 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 29.9 inch low moving into northern ontario this afternoon crosses 
over the ontario/quebec line late tonight or tuesday morning. 
meanwhile, a 30.4 inch high moves south from lake winnipeg this 
evening, extending ridging of at least 30.2 inches over lake 
superior beginning tonight. this high settles south over the upper 
mississippi river valley and plains through wednesday ahead of a 
deepening low moving into hudson bay by thursday morning. this low 
pulls a 29.6 inch trough through lake superior thursday night 
followed by ridging of at least 30.3 inches by friday night. the 
ridging intensifies to 30.4 inches by saturday.



lsz162-030900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est mon feb 2 2026 /300 pm cst mon feb 2 2026/

.late this afternoon...northwest winds 10 to 20 knots. waves calm
to 2 feet. 
.tonight...north winds 10 to 20 knots. waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots backing southwest
after midnight. a chance of snow showers after midnight. waves
calm to 2 feet. 
.thursday...southwest winds 15 to 25 knots. a chance of snow
showers. waves calm to 2 feet. 
.thursday night...west winds 15 to 25 knots veering northwest
after midnight. a chance of rain showers in the evening. a chance
of snow showers. waves calm to 2 feet. 
.friday...north winds 15 to 25 knots diminishing to 5 to
15 knots. waves calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots veering north. waves
calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 022101
glfls 
expires:202602030900;;981448

open lake forecast for lake superior
national weather service marquette mi
400 pm est mon feb 2 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 29.9 inch low moving into northern ontario this afternoon crosses 
over the ontario/quebec line late tonight or tuesday morning. 
meanwhile, a 30.4 inch high moves south from lake winnipeg this 
evening, extending ridging of at least 30.2 inches over lake 
superior beginning tonight. this high settles south over the upper 
mississippi river valley and plains through wednesday ahead of a 
deepening low moving into hudson bay by thursday morning. this low 
pulls a 29.6 inch trough through lake superior thursday night 
followed by ridging of at least 30.3 inches by friday night. the 
ridging intensifies to 30.4 inches by saturday.



lsz263-030900-
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 mon feb 2 2026

.late this afternoon...northwest winds 5 to 15 knots. waves 1 to
3 feet. 
.tonight...north winds 10 to 20 knots diminishing to 5 to
15 knots late. waves building to 2 to 4 feet, then subsiding to
1 to 3 feet. 
.tuesday...north winds 5 to 15 knots becoming northwest less than
10 knots by mid afternoon. isolated snow showers in the morning.
waves subsiding to calm to 2 feet. 
.tuesday night...northwest winds 5 to 15 knots backing west by
midnight. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots. waves calm to 2 feet.
.wednesday night...west winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. a chance of snow showers after
midnight. waves calm to 2 feet. 
.thursday...southwest winds 15 to 25 knots. a chance of snow
showers. waves building to 3 to 6 feet occasionally to 8 feet. 
.thursday night...west winds 15 to 25 knots becoming northwest
gales to 35 knots after midnight. snow showers, possibly mixed
with rain in the evening, then a chance of snow showers after
midnight. waves building to 4 to 7 feet occasionally to 9 feet. 
.friday...north gales to 35 knots diminishing to 10 to 20 knots.
waves building to 5 to 8 feet occasionally to 10 feet, then
subsiding to calm to 2 feet. 
.saturday...west winds 5 to 15 knots veering northwest. waves
calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$