fzus63 kmqt 102100
glfls 
expires:202611110900;;602195

open lake forecast for lake superior
national weather service marquette mi
400 pm est tue nov 10 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...

lake superior is currently between a low of 29.4 inches over 
northeast quebec, a 30.2 inch high over northern manitoba, a 30.1 
inch high over louisiana, and a 29.9 inch low over south dakota. the 
latter low deepens to 29.8 inches over illinois wednesday morning as 
the manitoba high builds to 30.3 inches. by wednesday night, the low 
deepens to 29.6 inches south of lake erie as the high further builds 
to 30.4 inches. as the low pushes off the new england shore at 29.4 
inches thursday night, high pressure weakens to 30.3 inches over 
northwestern ontario. this high slowly settles over lake superior 
through saturday, still at 30.3 inches. the high expands over the 
upper great lakes monday at 30.5 inches.




lsz162-110900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est tue nov 10 2026 /300 pm cst tue nov 10 2026/

.late this afternoon...southwest winds 10 to 20 knots. waves calm
to 2 feet. 
.tonight...west winds 5 to 15 knots veering north by midnight. a
chance of showers. waves calm to 2 feet. 
.wednesday...north winds 5 to 15 knots increasing to 15 to
25 knots. a slight chance of rain showers. waves building to 2 to
4 feet. 
.wednesday night...north winds 15 to 25 knots. a slight chance of
rain showers. a slight chance of snow showers 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 in the afternoon. waves subsiding to 1 to 3 feet. 
.thursday night...north winds 10 to 20 knots. waves 1 to 3 feet. 
.friday...north winds 10 to 20 knots diminishing to 5 to 15 knots
in the afternoon. waves subsiding to calm to 2 feet. 
.friday night...north winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...northeast winds 5 to 15 knots veering east. waves
calm to 2 feet. 
.sunday...southeast winds 5 to 15 knots veering south. waves calm
to 2 feet. 

$$

fzus63 kmqt 102100
glfls 
expires:202611110900;;602196

open lake forecast for lake superior
national weather service marquette mi
400 pm est tue nov 10 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...

lake superior is currently between a low of 29.4 inches over 
northeast quebec, a 30.2 inch high over northern manitoba, a 30.1 
inch high over louisiana, and a 29.9 inch low over south dakota. the 
latter low deepens to 29.8 inches over illinois wednesday morning as 
the manitoba high builds to 30.3 inches. by wednesday night, the low 
deepens to 29.6 inches south of lake erie as the high further builds 
to 30.4 inches. as the low pushes off the new england shore at 29.4 
inches thursday night, high pressure weakens to 30.3 inches over 
northwestern ontario. this high slowly settles over lake superior 
through saturday, still at 30.3 inches. the high expands over the 
upper great lakes monday at 30.5 inches.




lsz263-110900-
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 tue nov 10 2026

.late this afternoon...west winds 5 to 15 knots. waves 1 to
3 feet subsiding to calm to 2 feet. 
.tonight...northwest winds 5 to 15 knots becoming east less than
10 knots by midnight, then becoming northeast 5 to 15 knots late.
a chance of rain showers after midnight. waves 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 3 to 5 feet
occasionally to 7 feet. 
.wednesday night...north winds 15 to 25 knots. a chance of snow
showers, possibly mixed with rain. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.thursday...north winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. a chance of snow showers. waves
subsiding to 2 to 4 feet. 
.thursday night...north winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. a chance of snow showers. waves building
to 3 to 5 feet occasionally to 7 feet. 
.friday...north winds 10 to 20 knots diminishing to 5 to 15 knots
in the afternoon. waves subsiding to 1 to 3 feet. 
.friday night...north winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.saturday...north winds 5 to 15 knots becoming east less than
10 knots. waves calm to 2 feet. 
.sunday...southeast winds less than 10 knots becoming south 5 to
15 knots. waves calm to 2 feet. 

$$