fzus63 kmqt 070901
glfls 
expires:202602072100;;226564

open lake forecast for lake superior
national weather service marquette mi
400 am est sat feb 7 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...

30.5 inch high pressure currently over western lake superior will 
slowly shift and expand over the upper great lakes through today and 
tonight. sunday morning, a 29.8 inch low develops over the canadian 
rockies, shifting to lake winnipeg by sunday night as the 30.5 inch 
high moves to the lower great lakes. by monday night, the high will 
weaken to 30.3 inches over the east coast while the low moves over 
northern ontario, draping a cold front of around 29.9 inches over 
the lake. the low then weakens to near 29.9 inches over the 
ontario/quebec line tuesday night as high pressure of 30.3 inches 
fills in over manitoba. this high moves over the lake thursday 
morning.



lsz162-072100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est sat feb 7 2026 /300 am cst sat feb 7 2026/

.early this morning...north winds 5 to 15 knots. waves calm to
2 feet. 
.today...north winds 5 to 15 knots veering southeast. a slight
chance of snow showers in the afternoon. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots increasing to 10 to 20 knots
by midnight, then becoming southeast 5 to 15 knots late. a chance
of snow showers. waves calm to 2 feet. 
.sunday...southeast winds 5 to 15 knots veering south. a slight
chance of snow showers in the morning. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. a slight chance of snow showers.
waves calm to 2 feet. 
.monday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots veering northwest after
midnight. a chance of rain showers in the evening. a chance of
snow showers. waves calm to 2 feet. 
.tuesday...northwest winds 10 to 20 knots. waves calm to 2 feet. 
.wednesday...west winds 5 to 15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 070901
glfls 
expires:202602072100;;226565

open lake forecast for lake superior
national weather service marquette mi
400 am est sat feb 7 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...

30.5 inch high pressure currently over western lake superior will 
slowly shift and expand over the upper great lakes through today and 
tonight. sunday morning, a 29.8 inch low develops over the canadian 
rockies, shifting to lake winnipeg by sunday night as the 30.5 inch 
high moves to the lower great lakes. by monday night, the high will 
weaken to 30.3 inches over the east coast while the low moves over 
northern ontario, draping a cold front of around 29.9 inches over 
the lake. the low then weakens to near 29.9 inches over the 
ontario/quebec line tuesday night as high pressure of 30.3 inches 
fills in over manitoba. this high moves over the lake thursday 
morning.



lsz263-072100-
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 am est sat feb 7 2026

.early this morning...north winds 5 to 15 knots. waves calm to
2 feet. 
.today...north winds 5 to 15 knots veering east by mid afternoon.
a slight chance of snow showers in the afternoon. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots veering southeast by
midnight. a chance of snow showers. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...south winds 10 to 20 knots. a slight chance of
snow showers. waves calm to 2 feet. 
.monday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots. a chance of rain
showers in the evening. a chance of snow showers. waves calm to
2 feet. 
.tuesday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots backing west. waves
calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$