fzus63 kmqt 070301
glfls 
expires:202611070900;;392414

open lake forecast for lake superior
national weather service marquette mi
1000 pm 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 is centered over the missouri valley, 
extending 30.1 inch ridging over the lake tonight. 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. 




lsz162-070900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est fri nov 6 2026 /900 pm cst fri nov 6 2026/

.rest of tonight...southwest winds 5 to 15 knots increasing to
10 to 20 knots by midnight. 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 veering west by
midnight. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 5 feet occasionally to 7 feet. 
.sunday...west winds 20 to 30 knots becoming northwest 15 to
25 knots in the afternoon. waves subsiding to 1 to 3 feet. 
.sunday night...northwest winds 5 to 15 knots backing southwest
after midnight. waves subsiding to calm to 2 feet. 
.monday...southwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves building to 2 to 4 feet. 
.monday night...west winds 15 to 25 knots. waves subsiding to
1 to 3 feet, then building to 2 to 4 feet. 
.tuesday...west winds 15 to 25 knots becoming northwest 10 to
20 knots. waves subsiding to calm to 2 feet. 
.wednesday...north winds 5 to 15 knots increasing to 10 to
20 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 070301
glfls 
expires:202611070900;;392415

open lake forecast for lake superior
national weather service marquette mi
1000 pm 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 is centered over the missouri valley, 
extending 30.1 inch ridging over the lake tonight. 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. 




lsz263-070900-
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 pm est fri nov 6 2026

.rest of tonight...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 3 to 5 feet occasionally to 7 feet. 
.saturday night...southwest winds 20 to 30 knots veering west by
midnight. waves building to 6 to 9 feet occasionally to 11 feet. 
.sunday...west winds 20 to 30 knots veering northwest in the
afternoon. waves subsiding to 3 to 6 feet occasionally to 8 feet.
.sunday night...northwest winds 10 to 20 knots becoming west 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.monday...southwest winds 10 to 20 knots. waves building to 2 to
4 feet. 
.monday night...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet. 
.tuesday...west winds 15 to 25 knots becoming north 10 to
20 knots. waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to 1 to 3 feet. 
.wednesday...north winds 5 to 15 knots. waves subsiding to calm
to 2 feet, then building to 1 to 3 feet. 

$$