fzus63 kmqt 062001
glfls 
expires:202607070800;;527715

open lake forecast for lake superior
national weather service marquette mi
401 pm edt mon jul 6 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... 

30.1 inch ridging remains over the lake tonight extending from a 
30.2 inch high pressure progressing east through quebec. meanwhile, 
low pressure will move from northern saskatchewan to hudson bay, 
deepening to 29.4 inches as it reaches hudson bay on tuesday 
morning. as the low departs the hudson bay, it will extend a 29.8 
inch trough over lake superior on wednesday. thereafter high 
pressure at 29.9 inches builds over the upper great lakes for 
thursday through saturday.




lsz162-070800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt mon jul 6 2026 /301 pm cdt mon jul 6 2026/

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...northeast winds 5 to 15 knots becoming north less than
10 knots after midnight, then becoming west 5 to 15 knots late.
waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots backing southwest in the
afternoon. a slight chance of showers and thunderstorms. waves
calm to 2 feet. 
.tuesday night...north winds 5 to 15 knots veering northeast
late. a slight chance of showers through midnight, then showers
likely and a slight chance of thunderstorms after midnight. waves
calm to 2 feet. 
.wednesday...northeast winds 5 to 15 knots. showers through early
afternoon. a slight chance of thunderstorms. a chance of showers
by mid afternoon. waves calm to 2 feet. 
.wednesday night...north winds 5 to 15 knots backing west after
midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots diminishing to less than
10 knots by mid afternoon. waves calm to 2 feet. 
.thursday night...north winds less than 10 knots. waves calm to
2 feet. 
.friday...east winds 5 to 15 knots backing northeast. waves calm
to 2 feet. 
.saturday...south winds 5 to 15 knots veering west. waves calm to
2 feet. 

$$

fzus63 kmqt 062001
glfls 
expires:202607070800;;527716

open lake forecast for lake superior
national weather service marquette mi
401 pm edt mon jul 6 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... 

30.1 inch ridging remains over the lake tonight extending from a 
30.2 inch high pressure progressing east through quebec. meanwhile, 
low pressure will move from northern saskatchewan to hudson bay, 
deepening to 29.4 inches as it reaches hudson bay on tuesday 
morning. as the low departs the hudson bay, it will extend a 29.8 
inch trough over lake superior on wednesday. thereafter high 
pressure at 29.9 inches builds over the upper great lakes for 
thursday through saturday.




lsz263-070800-
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-
401 pm edt mon jul 6 2026

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots veering southwest after
midnight. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots backing southwest in the
afternoon. a slight chance of showers through early afternoon.
waves calm to 2 feet. 
.tuesday night...southwest winds 5 to 15 knots becoming west less
than 10 knots late. a slight chance of showers through midnight.
showers likely and a slight chance of thunderstorms after
midnight. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots backing northeast by mid
afternoon. showers through early afternoon. a slight chance of
thunderstorms. a chance of showers by mid afternoon. waves calm
to 2 feet. 
.wednesday night...north winds 5 to 15 knots backing northwest
after midnight. a chance of showers through midnight. waves calm
to 2 feet. 
.thursday...northwest winds less than 10 knots backing west by
mid afternoon. waves calm to 2 feet. 
.thursday night...west winds less than 10 knots backing southeast
after midnight. waves calm to 2 feet. 
.friday...northeast winds 5 to 15 knots veering east. waves calm
to 2 feet. 
.saturday...southwest winds 5 to 15 knots. waves calm to 2 feet. 

$$