fzus63 kmqt 132100
glfls 
expires:202611140900;;769915

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri nov 13 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 spanning from hudson bay to the northern 
mississippi river valley expands across the great lakes and into the 
southern u.s. through saturday. high pressure will continue to build 
and will encompass much of the eastern conus through early next 
week, centered over the ohio river valley at 30.5 inches by monday 
afternoon. on wednesday a 29.6 inch low will move from the rockies 
to the dakotas, with lake superior situated between this low and the 
high pressure centered over the mid-atlantic states at 30.4 inches.




lsz162-140900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est fri nov 13 2026 /300 pm cst fri nov 13 2026/

.late this afternoon...north winds 5 to 15 knots. waves 1 to
3 feet. 
.tonight...north winds 5 to 15 knots backing northwest late.
waves subsiding to calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots becoming west less than
10 knots by mid afternoon. waves calm to 2 feet. 
.saturday night...west winds less than 10 knots increasing to
5 to 15 knots late. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...southwest winds 15 to 25 knots. waves building to
3 to 5 feet occasionally to 7 feet. 
.monday...southwest winds 20 to 30 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.monday night...southwest winds 20 to 30 knots. waves building to
4 to 7 feet occasionally to 9 feet. 
.tuesday...southwest winds 15 to 25 knots. waves subsiding to
2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet.
.wednesday...south winds 10 to 20 knots. waves subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 132100
glfls 
expires:202611140900;;769916

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri nov 13 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 spanning from hudson bay to the northern 
mississippi river valley expands across the great lakes and into the 
southern u.s. through saturday. high pressure will continue to build 
and will encompass much of the eastern conus through early next 
week, centered over the ohio river valley at 30.5 inches by monday 
afternoon. on wednesday a 29.6 inch low will move from the rockies 
to the dakotas, with lake superior situated between this low and the 
high pressure centered over the mid-atlantic states at 30.4 inches.




lsz263-140900-
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 fri nov 13 2026

.late this afternoon...north winds 10 to 20 knots. a slight
chance of rain and snow showers. waves 2 to 4 feet. 
.tonight...north winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.saturday...north winds 5 to 15 knots backing northwest by late
morning, then diminishing to less than 10 knots by mid afternoon.
waves calm to 2 feet. 
.saturday night...northwest winds less than 10 knots backing west
by midnight, then increasing to 5 to 15 knots late. waves calm to
2 feet. 
.sunday...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 15 to 25 knots. waves building to
3 to 6 feet occasionally to 8 feet. 
.monday...southwest gales to 35 knots. waves building to 4 to
7 feet occasionally to 9 feet. 
.monday night...southwest winds 20 to 30 knots. waves building to
5 to 8 feet occasionally to 10 feet. 
.tuesday...southwest gales to 35 knots diminishing to 15 to
25 knots. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.wednesday...southwest winds 15 to 25 knots becoming south 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$