fzus63 kmqt 060301
glfls 
expires:202611060900;;336234

open lake forecast for lake superior
national weather service marquette mi
1000 pm 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 29.7 inch trough continues to move through eastern ontario and into 
quebec tonight. high pressure of 30.3 inches builds from james bay 
to the central plains tonight through friday, weakening to 30.1 
inches on saturday as it shifts southeast ahead of a 29.5 inch 
clipper low crossing hudson bay on sunday. weak 30.0 inch ridging 
builds over the great lakes monday. 




lsz162-060900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est thu nov 5 2026 /900 pm cst thu nov 5 2026/

.rest of tonight...north winds 15 to 25 knots diminishing to 5 to
15 knots. waves 3 to 6 feet occasionally to 8 feet subsiding to
2 to 4 feet. 
.friday...north winds 5 to 15 knots diminishing to less than
10 knots by late morning, then backing west by mid afternoon.
waves subsiding to calm to 2 feet. 
.friday night...southwest winds less than 10 knots increasing to
5 to 15 knots by 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 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 15 to 25 knots veering west. 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. 

$$

fzus63 kmqt 060301
glfls 
expires:202611060900;;336235

open lake forecast for lake superior
national weather service marquette mi
1000 pm 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 29.7 inch trough continues to move through eastern ontario and into 
quebec tonight. high pressure of 30.3 inches builds from james bay 
to the central plains tonight through friday, weakening to 30.1 
inches on saturday as it shifts southeast ahead of a 29.5 inch 
clipper low crossing hudson bay on sunday. weak 30.0 inch ridging 
builds over the great lakes monday. 




lsz263-060900-
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 thu nov 5 2026

.rest of tonight...north winds 15 to 25 knots diminishing to
10 to 20 knots late. a slight chance of rain showers. waves 5 to
8 feet occasionally to 10 feet subsiding to 3 to 5 feet
occasionally to 7 feet. 
.friday...north winds 5 to 15 knots becoming northwest less than
10 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.friday night...west winds 5 to 15 knots backing southwest by
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 3 to 5 feet
occasionally to 7 feet. 
.saturday night...southwest winds 20 to 30 knots becoming west
15 to 25 knots after 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 15 to 25 knots. waves subsiding to 2 to
4 feet. 
.sunday night...west winds 10 to 20 knots becoming south 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.monday...southwest winds 20 to 30 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. 

$$