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fzus63 kmqt 081501
glfls 
expires:202611082100;;477459

open lake forecast for lake superior
national weather service marquette mi
1000 am est sun nov 8 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...

29.5 inch low pressure moving over northern ontario extends a 29.7 
inch trough over the lake this morning. this low gets absorbed into 
a 29.3 inch low over the canadian maritimes this evening, allowing 
30.0 inch ridging to return over lake superior tonight. by monday 
morning, a 29.6 inch low will move over lake winnipeg, weakening to 
29.7 inches as it moves over northern ontario and brings 29.8 inch 
troughing over lake superior monday night. this trough shifts east 
to quebec tuesday through wednesday as 30.4 inch high pressure 
builds over manitoba and ontario. this high slowly descends 
southeast, reaching western lake superior at 30.2 inches friday.




lsz162-082100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est sun nov 8 2026 /900 am cst sun nov 8 2026/

.rest of today...northwest winds 20 to 30 knots diminishing to
15 to 25 knots by mid afternoon. waves 3 to 5 feet occasionally
to 7 feet subsiding to 2 to 4 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots by midnight, then backing southwest late. waves
subsiding to calm to 2 feet. 
.monday...south winds 10 to 20 knots veering southwest by late
morning, then increasing to 15 to 25 knots by mid afternoon.
waves building to 1 to 3 feet. 
.monday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves 1 to 3 feet. 
.tuesday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet, then building to 1 to 3 feet. 
.tuesday night...northwest winds 5 to 15 knots veering north
after midnight. waves calm to 2 feet. 
.wednesday...north winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 2 to 4 feet. 
.thursday...north winds 5 to 15 knots. waves subsiding to calm to
2 feet. 

$$
fzus63 kmqt 081501
glfls 
expires:202611082100;;477460

open lake forecast for lake superior
national weather service marquette mi
1000 am est sun nov 8 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...

29.5 inch low pressure moving over northern ontario extends a 29.7 
inch trough over the lake this morning. this low gets absorbed into 
a 29.3 inch low over the canadian maritimes this evening, allowing 
30.0 inch ridging to return over lake superior tonight. by monday 
morning, a 29.6 inch low will move over lake winnipeg, weakening to 
29.7 inches as it moves over northern ontario and brings 29.8 inch 
troughing over lake superior monday night. this trough shifts east 
to quebec tuesday through wednesday as 30.4 inch high pressure 
builds over manitoba and ontario. this high slowly descends 
southeast, reaching western lake superior at 30.2 inches friday.




lsz263-082100-
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 am est sun nov 8 2026

.rest of today...northwest winds 20 to 30 knots. waves 5 to
8 feet occasionally to 10 feet subsiding to 3 to 6 feet
occasionally to 8 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.monday...south winds 5 to 15 knots increasing to 10 to 20 knots
by late morning, then veering southwest by mid afternoon. waves
building to 1 to 3 feet. 
.monday night...west winds 10 to 20 knots. waves building to 2 to
4 feet. 
.tuesday...west winds 10 to 20 knots. waves 2 to 4 feet. 
.tuesday night...northwest winds 5 to 15 knots veering north
after midnight. waves subsiding to calm to 2 feet. 
.wednesday...north winds 5 to 15 knots increasing to 10 to
20 knots. a chance of rain showers. waves building to 2 to
4 feet. 
.thursday...north winds 10 to 20 knots diminishing to 5 to
15 knots. a chance of snow showers. waves subsiding to calm to
2 feet. 

$$
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