fzus63 kmqt 060801
glfls 
expires:202607062000;;500137

open lake forecast for lake superior
national weather service marquette mi
401 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 moving east through quebec. meanwhile, low 
pressure will move from northern saskatchewan to hudson bay, 
deepening to 29.5 inches as it reaches hudson bay on tuesday 
morning. as the low departs the hudson bay, moving east, 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 and friday.




lsz162-062000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 am edt mon jul 6 2026 /301 am cdt mon jul 6 2026/

.early this morning...northeast winds less than 10 knots. waves
calm to 2 feet. 
.today...northeast winds less than 10 knots increasing to 5 to
15 knots in the afternoon, then 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. 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 060801
glfls 
expires:202607062000;;500138

open lake forecast for lake superior
national weather service marquette mi
401 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 moving east through quebec. meanwhile, low 
pressure will move from northern saskatchewan to hudson bay, 
deepening to 29.5 inches as it reaches hudson bay on tuesday 
morning. as the low departs the hudson bay, moving east, 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 and friday.




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-
401 am edt mon jul 6 2026

.early this morning...east winds less than 10 knots. waves calm
to 2 feet. 
.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. 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. 

$$