fzus63 kmqt 102101
glfls 
expires:202602110900;;419447

open lake forecast for lake superior
national weather service marquette mi
400 pm est tue feb 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 29.7 inch low over eastern ontario will move to souther quebec by 
wednesday morning as high pressure of 30.3 inches builds over the 
northern plains. this high gradually settles over the great lakes by 
thursday morning. friday, the high moves to the southern portion of 
the great lakes while a 29.8 inch low moves across northern ontario. 
this low pulls a 29.9 inch trough near eastern lake superior friday 
afternoon. saturday, high pressure resumes over the great lakes 
before a weak 29.9 inch trough moves into the upper great lakes 
saturday night. weak ridging of 30.1 inches moves over lake superior 
on sunday.



lsz162-110900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est tue feb 10 2026 /300 pm cst tue feb 10 2026/

.late this afternoon...northwest winds 20 to 30 knots. waves 1 to
3 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
20 knots late. waves subsiding to calm to 2 feet. 
.wednesday...northwest winds 10 to 20 knots backing west by late
morning, then diminishing to 5 to 15 knots by mid afternoon. a
slight chance of snow showers in the afternoon. waves calm to
2 feet. 
.wednesday night...west winds 5 to 15 knots becoming northwest
less than 10 knots by midnight, then veering north late. waves
calm to 2 feet. 
.thursday...east winds less than 10 knots becoming south 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. waves calm to 2 feet. 
.friday...west winds 10 to 20 knots. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots veering west. waves
calm to 2 feet. 
.sunday...west winds 5 to 15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 102101
glfls 
expires:202602110900;;419448

open lake forecast for lake superior
national weather service marquette mi
400 pm est tue feb 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 29.7 inch low over eastern ontario will move to souther quebec by 
wednesday morning as high pressure of 30.3 inches builds over the 
northern plains. this high gradually settles over the great lakes by 
thursday morning. friday, the high moves to the southern portion of 
the great lakes while a 29.8 inch low moves across northern ontario. 
this low pulls a 29.9 inch trough near eastern lake superior friday 
afternoon. saturday, high pressure resumes over the great lakes 
before a weak 29.9 inch trough moves into the upper great lakes 
saturday night. weak ridging of 30.1 inches moves over lake superior 
on sunday.



lsz263-110900-
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 tue feb 10 2026

.late this afternoon...northwest winds 20 to 30 knots. waves 3 to
5 feet occasionally to 7 feet. 
.tonight...northwest winds 20 to 30 knots diminishing to 15 to
25 knots by midnight. a slight chance of snow 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...northwest winds 5 to 15 knots diminishing to
less than 10 knots by midnight, then veering north late. waves
calm to 2 feet. 
.thursday...south winds less than 10 knots becoming southwest
5 to 15 knots in the afternoon. waves calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots becoming west
10 to 20 knots after midnight. waves calm to 2 feet. 
.friday...west winds 10 to 20 knots. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots veering west. waves
calm to 2 feet. 
.sunday...west winds 5 to 15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$