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fzus63 kmqt 112100
glfls 
expires:202611120900;;657537

open lake forecast for lake superior
national weather service marquette mi
400 pm est wed nov 11 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...

this afternoon, a low pressure of 29.7 inches is over indiana while 
a high pressure over northern manitoba high resides at 30.4 inches. 
through tonight, the low deepens to 29.6 inches south of lake erie 
as the northern manitoba high expands over the rest of the province. 
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 and remains overhead through 
tuesday.




lsz162-120900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est wed nov 11 2026 /300 pm cst wed nov 11 2026/

.late this afternoon...north winds 15 to 25 knots. a slight
chance of rain showers. waves 2 to 4 feet building to 3 to 5 feet
occasionally to 7 feet. 
.tonight...north winds 20 to 30 knots. a slight chance of rain
showers. 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. a chance of rain showers. waves subsiding to 2 to
4 feet. 
.thursday night...north winds 15 to 25 knots diminishing to 10 to
20 knots late. a slight chance of snow showers. waves 2 to
4 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...north winds 5 to 15 knots diminishing to less than
10 knots in the afternoon. waves calm to 2 feet. 
.saturday night...north winds less than 10 knots backing
southwest after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.monday...southwest winds 5 to 15 knots increasing to 15 to
25 knots. waves building to 2 to 4 feet. 

$$
fzus63 kmqt 112100
glfls 
expires:202611120900;;657538

open lake forecast for lake superior
national weather service marquette mi
400 pm est wed nov 11 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...

this afternoon, a low pressure of 29.7 inches is over indiana while 
a high pressure over northern manitoba high resides at 30.4 inches. 
through tonight, the low deepens to 29.6 inches south of lake erie 
as the northern manitoba high expands over the rest of the province. 
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 and remains overhead through 
tuesday.




lsz263-120900-
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 wed nov 11 2026

.late this afternoon...north winds 15 to 25 knots. a chance of
rain showers. waves 3 to 6 feet occasionally to 8 feet. 
.tonight...north winds 15 to 25 knots. a chance of rain and snow
showers. waves building to 4 to 8 feet occasionally to 10 feet. 
.thursday...north winds 15 to 25 knots. a chance of rain and snow
showers. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.thursday night...north winds 15 to 25 knots. a chance of snow
showers. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 
.friday...north winds 10 to 20 knots. a slight chance of snow
showers. waves subsiding to 2 to 4 feet. 
.friday night...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to 1 to 3 feet. 
.saturday...north winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.saturday night...north winds less than 10 knots backing
northwest after midnight. waves calm to 2 feet. 
.sunday...west winds less than 10 knots becoming southwest 5 to
15 knots. waves calm to 2 feet. 
.monday...southwest winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 3 to 5 feet occasionally to 7 feet. 

$$
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