fzus63 kmqt 061401
glfls 
expires:202607062000;;512903

open lake forecast for lake superior
national weather service marquette mi
1001 am 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 today 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 this low tracks north of lake superior. 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.




lsz162-062000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt mon jul 6 2026 /901 am cdt mon jul 6 2026/

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

$$

fzus63 kmqt 061401
glfls 
expires:202607062000;;512904

open lake forecast for lake superior
national weather service marquette mi
1001 am 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 today 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 this low tracks north of lake superior. 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.




lsz263-062000-
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-
1001 am edt mon jul 6 2026

.rest of today...east winds less than 10 knots. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots veering southwest after
midnight. a slight chance of showers and thunderstorms after
midnight. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots backing southwest in the
afternoon. a slight chance of showers. a slight chance of
thunderstorms by mid afternoon. waves calm to 2 feet. 
.tuesday night...southwest winds 5 to 15 knots diminishing to
less than 10 knots after midnight. a chance of showers and
thunderstorms. waves calm to 2 feet. 
.wednesday...northeast winds less than 10 knots increasing to
5 to 15 knots by mid afternoon. showers and a slight chance of
thunderstorms. waves calm to 2 feet. 
.wednesday night...northeast winds 5 to 15 knots backing north
after midnight. a chance of showers. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots becoming northeast less
than 10 knots. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 

$$