fzus63 kmqt 060900
glfls 
expires:202611062100;;350634

open lake forecast for lake superior
national weather service marquette mi
400 am est fri nov 6 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...

30.2 inch high pressure builds over lake superior today from the 
northwest. high pressure weakens to 30.0 inches by saturday night as 
the high splits toward quebec and the mid-mississippi river valley. 
a 29.5 clipper low crosses far northern ontario saturday night and 
sunday morning, reaching quebec sunday night. this extends a 29.7 
inch trough over the lake saturday night into sunday morning. weak 
30.0 inch ridging passes over the great lakes monday ahead of 
another clipper system at 29.7 inches monday night into tuesday. 
high pressure of at least 30.1 inches returns by wednesday night.




lsz162-062100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est fri nov 6 2026 /300 am cst fri nov 6 2026/

.early this morning...north winds 5 to 15 knots. waves 2 to
4 feet. 
.today...north winds 5 to 15 knots diminishing to less than
10 knots by late morning, then becoming west 5 to 15 knots by mid
afternoon. waves subsiding to calm to 2 feet. 
.tonight...southwest winds 5 to 15 knots increasing to 10 to
20 knots by midnight, then veering west late. waves calm to
2 feet. 
.saturday...southwest winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 2 to 4 feet. 
.saturday night...southwest winds 20 to 30 knots becoming west
15 to 25 knots after midnight. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.sunday...west winds 15 to 25 knots diminishing to 10 to 20 knots
in the afternoon. waves subsiding to 1 to 3 feet. 
.sunday night...west winds 5 to 15 knots backing southwest after
midnight. waves subsiding to calm to 2 feet. 
.monday...southwest winds 10 to 20 knots becoming west 15 to
25 knots. waves building to 2 to 4 feet. 
.tuesday...west winds 10 to 20 knots becoming northwest 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 060900
glfls 
expires:202611062100;;350635

open lake forecast for lake superior
national weather service marquette mi
400 am est fri nov 6 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...

30.2 inch high pressure builds over lake superior today from the 
northwest. high pressure weakens to 30.0 inches by saturday night as 
the high splits toward quebec and the mid-mississippi river valley. 
a 29.5 clipper low crosses far northern ontario saturday night and 
sunday morning, reaching quebec sunday night. this extends a 29.7 
inch trough over the lake saturday night into sunday morning. weak 
30.0 inch ridging passes over the great lakes monday ahead of 
another clipper system at 29.7 inches monday night into tuesday. 
high pressure of at least 30.1 inches returns by wednesday night.




lsz263-062100-
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 am est fri nov 6 2026

.early this morning...north winds 10 to 20 knots. waves 3 to
5 feet occasionally to 7 feet. 
.today...north winds 10 to 20 knots diminishing to less than
10 knots. waves subsiding to calm to 2 feet. 
.tonight...west winds 5 to 15 knots backing southwest by
midnight, then veering west late. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots increasing to 15 to
25 knots. waves building to 3 to 5 feet occasionally to 7 feet. 
.saturday night...southwest winds 20 to 30 knots veering west
after midnight. waves building to 4 to 7 feet occasionally to
9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. 
.sunday...west winds 15 to 25 knots. waves subsiding to 2 to
4 feet. 
.sunday night...northwest winds 10 to 20 knots becoming southwest
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.monday...southwest winds 15 to 25 knots veering west. waves
building to 3 to 6 feet occasionally to 8 feet. 
.tuesday...west winds 15 to 25 knots becoming northwest 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$