fzus63 kmqt 061501
glfls 
expires:202611062100;;363918

open lake forecast for lake superior
national weather service marquette mi
1000 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...

this morning, a 30.3 inch high extends from northern ontario to the 
texas panhandle while a 29.7 inch low moves over labrador and 
extends surface troughing south across new england. through tonight, 
the high will split, with a 30.3 inch high over quebec and a 30.2 
inch high over missouri leaving 30.1 inch remnant ridging over the 
lake. meanwhile, the main low will move offshore but the troughing 
will consolidate into a 29.8 inch low over massachusetts. through 
saturday, pressure begins to fall over lake superior as a 29.5 inch 
low moves off the canadian rockies and into northern manitoba. this 
low moves into northern ontario saturday night into sunday, passing 
29.7 inch troughing over the lake. with the low moving to the mouth 
of the st lawrence at 29.3 inches sunday night, weak ridging of 
around 30.0 inches moves over lake superior associated with 30.2 
inch high pressure over texas. by monday morning, a 29.5 inch low 
will move over lake winnipeg, weakening to 29.7 inches as if moves 
near or over the lake monday night. tuesday through wednesday, this 
low shifts east as 30.4 inch high pressure builds over the 
manitoba/ontario line. 




lsz162-062100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est fri nov 6 2026 /900 am cst fri nov 6 2026/

.rest of 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 1 to 3 feet 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, then subsiding to 1 to
3 feet. 
.tuesday...west winds 10 to 20 knots becoming northwest 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 061501
glfls 
expires:202611062100;;363919

open lake forecast for lake superior
national weather service marquette mi
1000 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...

this morning, a 30.3 inch high extends from northern ontario to the 
texas panhandle while a 29.7 inch low moves over labrador and 
extends surface troughing south across new england. through tonight, 
the high will split, with a 30.3 inch high over quebec and a 30.2 
inch high over missouri leaving 30.1 inch remnant ridging over the 
lake. meanwhile, the main low will move offshore but the troughing 
will consolidate into a 29.8 inch low over massachusetts. through 
saturday, pressure begins to fall over lake superior as a 29.5 inch 
low moves off the canadian rockies and into northern manitoba. this 
low moves into northern ontario saturday night into sunday, passing 
29.7 inch troughing over the lake. with the low moving to the mouth 
of the st lawrence at 29.3 inches sunday night, weak ridging of 
around 30.0 inches moves over lake superior associated with 30.2 
inch high pressure over texas. by monday morning, a 29.5 inch low 
will move over lake winnipeg, weakening to 29.7 inches as if moves 
near or over the lake monday night. tuesday through wednesday, this 
low shifts east as 30.4 inch high pressure builds over the 
manitoba/ontario line. 




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-
1000 am est fri nov 6 2026

.rest of today...north winds 5 to 15 knots diminishing to less
than 10 knots by mid afternoon. waves 2 to 4 feet 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. 
.sunday...west winds 15 to 25 knots. waves subsiding to 3 to
5 feet occasionally to 7 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. 

$$