fzus63 kmqt 070900
glfls 
expires:202611072100;;407336

open lake forecast for lake superior
national weather service marquette mi
400 am est sat nov 7 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...

30.1 inch high pressure over lake superior this morning falls today 
as a 29.5 inch low moves off the canadian rockies and into northern 
manitoba. this low moves into northern ontario tonight 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 29.6 
inch low will move over lake winnipeg, weakening to 29.7 inches as 
if moves just north of the lake monday night. tuesday through 
wednesday, this low shifts east as 30.4 inch high pressure builds 
over the manitoba/ontario line. 




lsz162-072100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est sat nov 7 2026 /300 am cst sat nov 7 2026/

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

$$

fzus63 kmqt 070900
glfls 
expires:202611072100;;407337

open lake forecast for lake superior
national weather service marquette mi
400 am est sat nov 7 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...

30.1 inch high pressure over lake superior this morning falls today 
as a 29.5 inch low moves off the canadian rockies and into northern 
manitoba. this low moves into northern ontario tonight 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 29.6 
inch low will move over lake winnipeg, weakening to 29.7 inches as 
if moves just north of the lake monday night. tuesday through 
wednesday, this low shifts east as 30.4 inch high pressure builds 
over the manitoba/ontario line. 




lsz263-072100-
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 sat nov 7 2026

.early this morning...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.today...southwest winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 3 to 5 feet occasionally to 7 feet. 
.tonight...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. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.sunday night...northwest winds 15 to 25 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.monday...south winds 10 to 20 knots veering southwest in the
afternoon. waves building to 2 to 4 feet. 
.monday night...west winds 10 to 20 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 increasing to 10 to
20 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 

$$