fzus63 kmqt 050900
glfls 
expires:202611052100;;294568

open lake forecast for lake superior
national weather service marquette mi
400 am est thu nov 5 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...

a 29.5 inch low moves east of the lake this morning. high pressure 
ridging of 30.2 inches returns from the northwest through tomorrow, 
weakening to 30.1 inches on saturday as it shifts southeast ahead of 
a clipper low pressure system.




lsz162-052100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est thu nov 5 2026 /300 am cst thu nov 5 2026/

.early this morning...north winds 20 to 30 knots. showers likely.
waves 5 to 8 feet occasionally to 10 feet. 
.today...north winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots. a slight chance
of rain showers in the morning. waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet. 
.tonight...north winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. waves subsiding to 3 to 5 feet occasionally
to 7 feet. 
.friday...north winds 5 to 15 knots becoming south less than
10 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.friday night...southwest winds less than 10 knots increasing to
5 to 15 knots after midnight. waves calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots. waves building to
1 to 3 feet. 
.saturday night...southwest winds 15 to 25 knots veering west
after midnight. waves building to 2 to 4 feet. 
.sunday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
waves subsiding to calm to 2 feet. 
.monday...southwest winds 15 to 25 knots veering west. waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 050900
glfls 
expires:202611052100;;294569

open lake forecast for lake superior
national weather service marquette mi
400 am est thu nov 5 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...

a 29.5 inch low moves east of the lake this morning. high pressure 
ridging of 30.2 inches returns from the northwest through tomorrow, 
weakening to 30.1 inches on saturday as it shifts southeast ahead of 
a clipper low pressure system.




lsz263-052100-
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 thu nov 5 2026

...gale warning in effect through this evening...

.early this morning...north gales to 40 knots. showers. waves
7 to 10 feet occasionally to 13 feet building to 9 to 12 feet
occasionally to 15 feet. 
.today...north gales to 40 knots. a chance of rain showers. waves
building to 10 to 14 feet occasionally to 18 feet, then subsiding
to 8 to 11 feet occasionally to 14 feet. 
.tonight...north winds 20 to 30 knots diminishing to 10 to
20 knots. a slight chance of rain showers in the evening. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.friday...north winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.friday night...west winds less than 10 knots becoming southwest
5 to 15 knots after midnight. waves calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves building to 2 to 4 feet. 
.saturday night...southwest winds 15 to 25 knots veering west
after midnight. waves building to 4 to 7 feet occasionally to
9 feet. 
.sunday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 
.monday...southwest winds 15 to 25 knots veering west. waves
building to 3 to 5 feet occasionally to 7 feet. 

$$