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fzus63 kmqt 070201
glfls 
expires:202607070800;;541091

open lake forecast for lake superior
national weather service marquette mi
1000 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 30.2 
inch high pressure centered off of nova scotia. meanwhile, low 
pressure is tracking through northern ontario towards hudson bay, 
and should 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-
1000 pm edt mon jul 6 2026 /900 pm cdt mon jul 6 2026/

.rest of tonight...north winds less than 10 knots 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. a slight chance of showers through 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 070201
glfls 
expires:202607070800;;541092

open lake forecast for lake superior
national weather service marquette mi
1000 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 30.2 
inch high pressure centered off of nova scotia. meanwhile, low 
pressure is tracking through northern ontario towards hudson bay, 
and should 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-
1000 pm edt mon jul 6 2026

.rest of tonight...southeast 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 and a slight chance of
thunderstorms 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. 

$$
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