fzus63 kmqt 030801
glfls 
expires:202606032000;;104466

open lake forecast for lake superior
national weather service marquette mi
401 am 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 30.4 inches centered over lower michigan this 
morning shifts southeast today through thursday, weakening to 30.2 
inches by tonight as it moves over the ohio river valley. meanwhile, 
a 29.8 inch trough approaches from the northwest, moving over lake 
superior on thursday. troughing persists over the lake through 
friday, deepening to 29.7 inches. weak ridging of 30.0 inches 
returns this weekend.




lsz162-032000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 am edt wed jun 3 2026 /301 am cdt wed jun 3 2026/

.early this morning...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.today...southwest winds 5 to 15 knots backing southeast late.
waves calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots veering south after
midnight. a slight chance of showers and thunderstorms after
midnight. waves calm to 2 feet. 
.thursday...south winds 5 to 15 knots. a chance of showers and a
slight chance of thunderstorms. waves building to 1 to 3 feet,
then subsiding to calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots veering west
after midnight. a slight chance of thunderstorms through
midnight. a chance of rain showers. waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots. a chance of showers.
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. 
.sunday...northeast winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 030801
glfls 
expires:202606032000;;104467

open lake forecast for lake superior
national weather service marquette mi
401 am 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 30.4 inches centered over lower michigan this 
morning shifts southeast today through thursday, weakening to 30.2 
inches by tonight as it moves over the ohio river valley. meanwhile, 
a 29.8 inch trough approaches from the northwest, moving over lake 
superior on thursday. troughing persists over the lake through 
friday, deepening to 29.7 inches. weak ridging of 30.0 inches 
returns this weekend.




lsz263-032000-
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 wed jun 3 2026

.early this morning...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.today...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon, then backing south late. waves
building to 1 to 3 feet. 
.tonight...south winds 5 to 15 knots. a slight chance of showers
after midnight. waves subsiding to calm to 2 feet, then building
to 1 to 3 feet. 
.thursday...south winds 5 to 15 knots. a chance of showers. waves
subsiding to calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots. a slight chance
of thunderstorms through midnight. a chance of rain showers.
waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots. 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. 
.sunday...east winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 

$$