fzus63 kmqt 112101
glfls 
expires:202602120900;;473197

open lake forecast for lake superior
national weather service marquette mi
400 pm est wed feb 11 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...

30.3 inch high pressure over minnesota today builds into the great 
lakes by thursday morning. by friday morning, the high retreats into 
the southern portion of the great lakes while a 29.8 inch low moves 
across far northern ontario. this low pulls a 29.9 inch trough over 
eastern lake superior friday afternoon. high pressure builds back to 
30.1 inches over the great lakes by saturday morning before a weak 
29.8 inch trough moves into the upper great lakes saturday evening. 
weak troughing of around 29.8 inches hangs out over the upper great 
lakes the rest of this weekend to monday.



lsz162-120900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est wed feb 11 2026 /300 pm cst wed feb 11 2026/

.late this afternoon...west winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...north winds 5 to 15 knots veering northeast late.
waves calm to 2 feet. 
.thursday...south winds 5 to 15 knots veering southwest. waves
calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots increasing to
10 to 20 knots late. waves calm to 2 feet. 
.friday...west winds 10 to 20 knots diminishing to 5 to 15 knots
in the afternoon. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots veering northeast after
midnight. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots backing southeast in the
afternoon. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots. waves calm to 2 feet.
.sunday...west winds 5 to 15 knots. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots increasing to 10 to 20 knots.
waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 112101
glfls 
expires:202602120900;;473198

open lake forecast for lake superior
national weather service marquette mi
400 pm est wed feb 11 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...

30.3 inch high pressure over minnesota today builds into the great 
lakes by thursday morning. by friday morning, the high retreats into 
the southern portion of the great lakes while a 29.8 inch low moves 
across far northern ontario. this low pulls a 29.9 inch trough over 
eastern lake superior friday afternoon. high pressure builds back to 
30.1 inches over the great lakes by saturday morning before a weak 
29.8 inch trough moves into the upper great lakes saturday evening. 
weak troughing of around 29.8 inches hangs out over the upper great 
lakes the rest of this weekend to monday.



lsz263-120900-
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 wed feb 11 2026

.late this afternoon...west winds 5 to 15 knots. flurries. waves
calm to 2 feet. 
.tonight...northwest winds 5 to 15 knots veering north by
midnight, then diminishing to less than 10 knots late. waves calm
to 2 feet. 
.thursday...southwest winds less than 10 knots increasing to 5 to
15 knots. waves calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots increasing to
10 to 20 knots by midnight. waves building to 1 to 3 feet. 
.friday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.friday night...west winds 5 to 15 knots becoming south less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots veering west after
midnight. waves calm to 2 feet. 
.sunday...west winds 5 to 15 knots backing southwest. waves calm
to 2 feet. 
.monday...southeast winds 5 to 15 knots backing east. waves calm
to 2 feet. 

note, wave height forecasts are for ice free areas.

$$