fzus63 kmqt 032001
glfls 
expires:202606040800;;130846

open lake forecast for lake superior
national weather service marquette mi
400 pm edt wed jun 3 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... 

high pressure of 30.2 inches centered over lower michigan this 
afternoon shifts south of the lower great lakes through thursday. 
meanwhile, a 29.8 inch low approaches from the northwest, moving 
over lake superior on thursday. troughing persists over the lake 
through friday, deepening to near 29.7 inches. weak ridging of near 
29.9 inches returns saturday assocaited with a weak high of 30.0 
inches over eastern hudson bay. sunday, the high builds to 30.1 
inches over quebec while 29.4 inch low pressure spins over 
saskatchewan. monday, the nigh builds to 30.3 inches over the mouth 
of the st. lawrence river while a 29.6 inch low over northern 
manitoba extends troughing south over the great plains. 




lsz162-040800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm edt wed jun 3 2026 /300 pm cdt wed jun 3 2026/

.late this afternoon...southeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...south winds 5 to 15 knots increasing to 10 to 20 knots
late. a chance of showers and a slight chance of thunderstorms
after midnight. waves calm to 2 feet. 
.thursday...south winds 5 to 15 knots veering southwest in the
afternoon. a chance of showers and a slight chance of
thunderstorms. waves calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots veering west
late. a slight chance of showers and thunderstorms through
midnight. waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots. a slight chance of
showers. a slight chance of thunderstorms by mid afternoon. waves
calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.saturday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.sunday...northeast winds 10 to 20 knots. waves building to 2 to
4 feet, then subsiding to calm to 2 feet. 
.monday...northeast winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 

$$

fzus63 kmqt 032001
glfls 
expires:202606040800;;130847

open lake forecast for lake superior
national weather service marquette mi
400 pm edt wed jun 3 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... 

high pressure of 30.2 inches centered over lower michigan this 
afternoon shifts south of the lower great lakes through thursday. 
meanwhile, a 29.8 inch low approaches from the northwest, moving 
over lake superior on thursday. troughing persists over the lake 
through friday, deepening to near 29.7 inches. weak ridging of near 
29.9 inches returns saturday assocaited with a weak high of 30.0 
inches over eastern hudson bay. sunday, the high builds to 30.1 
inches over quebec while 29.4 inch low pressure spins over 
saskatchewan. monday, the nigh builds to 30.3 inches over the mouth 
of the st. lawrence river while a 29.6 inch low over northern 
manitoba extends troughing south over the great plains. 




lsz263-040800-
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 pm edt wed jun 3 2026

.late this afternoon...south winds 10 to 20 knots. waves calm to
2 feet. 
.tonight...south winds 5 to 15 knots increasing to 10 to 20 knots
after midnight. a slight chance of showers after midnight. waves
calm to 2 feet. 
.thursday...south winds 5 to 15 knots veering southwest in the
afternoon, then backing south late. a chance of showers and a
slight chance of thunderstorms. waves calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots veering west
late. a chance of rain showers and a slight chance of
thunderstorms through midnight. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots backing south by mid
afternoon. a slight chance of rain showers. waves calm to 2 feet.
.friday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...northeast winds less than 10 knots. waves calm to
2 feet. 
.saturday night...northeast winds less than 10 knots becoming
east 5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...east winds 10 to 20 knots veering southeast. waves
building to 2 to 4 feet, then subsiding to calm to 2 feet. 
.monday...east winds 5 to 15 knots veering southeast. a chance of
showers. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 

$$