fzus63 kmqt 090900
glfls 
expires:202611092100;;519494

open lake forecast for lake superior
national weather service marquette mi
400 am est mon nov 9 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...

30.0 inch ridging lingers over lake superior this morning. then a 
29.6 inch low near lake winnipeg weakens to 29.7 inches as it 
traverses just north of lake superior this evening into tonight, 
sending a 29.8 inch trough across the lake. weak 30.0 inch ridging 
returns on tuesday before a 29.9 inch trough drops southeast over 
the lake tuesday night and wednesday. then 30.4 inch high pressure 
over northern manitoba gradually shifts south-southeast through 
saturday, becoming centered over the lake at 30.3 inches on saturday.




lsz162-092100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est mon nov 9 2026 /300 am cst mon nov 9 2026/

.early this morning...south winds 5 to 15 knots. waves calm to
2 feet. 
.today...south winds 10 to 20 knots veering southwest by late
morning, then increasing to 15 to 25 knots by mid afternoon.
sprinkles. waves building to 1 to 3 feet. 
.tonight...west winds 15 to 25 knots diminishing to 10 to
20 knots late. waves 1 to 3 feet. 
.tuesday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.tuesday night...west winds 5 to 15 knots veering northwest after
midnight. waves calm to 2 feet. 
.wednesday...north winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves building to 1 to 3 feet. 
.wednesday night...northeast winds 15 to 25 knots backing north
after midnight. waves building to 3 to 6 feet occasionally to
8 feet. 
.thursday...north winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to 1 to 3 feet. 
.friday...north winds 5 to 15 knots backing west. waves subsiding
to calm to 2 feet. 

$$

fzus63 kmqt 090900
glfls 
expires:202611092100;;519495

open lake forecast for lake superior
national weather service marquette mi
400 am est mon nov 9 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...

30.0 inch ridging lingers over lake superior this morning. then a 
29.6 inch low near lake winnipeg weakens to 29.7 inches as it 
traverses just north of lake superior this evening into tonight, 
sending a 29.8 inch trough across the lake. weak 30.0 inch ridging 
returns on tuesday before a 29.9 inch trough drops southeast over 
the lake tuesday night and wednesday. then 30.4 inch high pressure 
over northern manitoba gradually shifts south-southeast through 
saturday, becoming centered over the lake at 30.3 inches on saturday.




lsz263-092100-
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 mon nov 9 2026

.early this morning...south winds less than 10 knots. waves calm
to 2 feet. 
.today...south winds 5 to 15 knots increasing to 10 to 20 knots
by late morning, then veering southwest by mid afternoon.
sprinkles. waves building to 1 to 3 feet. 
.tonight...west winds 10 to 20 knots veering northwest late.
waves building to 2 to 4 feet. 
.tuesday...west winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 
.tuesday night...west winds 5 to 15 knots veering northwest after
midnight. waves subsiding to calm to 2 feet. 
.wednesday...north winds 5 to 15 knots becoming northeast 10 to
20 knots in the afternoon. a chance of rain showers. waves
building to 2 to 4 feet. 
.wednesday night...northeast winds 15 to 25 knots backing north
after midnight. a chance of rain and snow showers. waves building
to 3 to 6 feet occasionally to 8 feet. 
.thursday...north winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of snow showers. waves subsiding to 2 to
4 feet. 
.friday...north winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$