fzus63 kmqt 081401
glfls 
expires:202607082000;;622910

open lake forecast for lake superior
national weather service marquette mi
1001 am edt wed jul 8 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... 

a hudson bay low moves into northern quebec throughout today, 
sending a trough as low as 29.9 inches over the upper great lakes. 
weak high pressure to 30.0 inches then builds over lake superior and 
northern ontario thursday and friday. saturday, the high builds to 
30.1 inches as it shifts towards southern ontario. the high 
continues to shift south sunday, reaching the lower great lakes at 
30.2 inches before weakening to 30.1 inches again monday south of 
the great lakes. another strong low of 29.3 inches looks to cross 
into hudson bay early next week.




lsz162-082000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt wed jul 8 2026 /901 am cdt wed jul 8 2026/

.rest of today...northeast winds 5 to 15 knots veering south
late. a slight chance of thunderstorms by late morning. a chance
of showers. waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots. waves calm to 2 feet. 
.thursday...north winds less than 10 knots. waves calm to 2 feet.
.thursday night...north winds less than 10 knots. waves calm to
2 feet. 
.friday...east winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots becoming north less
than 10 knots after midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday...southwest winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 081401
glfls 
expires:202607082000;;622911

open lake forecast for lake superior
national weather service marquette mi
1001 am edt wed jul 8 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... 

a hudson bay low moves into northern quebec throughout today, 
sending a trough as low as 29.9 inches over the upper great lakes. 
weak high pressure to 30.0 inches then builds over lake superior and 
northern ontario thursday and friday. saturday, the high builds to 
30.1 inches as it shifts towards southern ontario. the high 
continues to shift south sunday, reaching the lower great lakes at 
30.2 inches before weakening to 30.1 inches again monday south of 
the great lakes. another strong low of 29.3 inches looks to cross 
into hudson bay early next week.




lsz263-082000-
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 wed jul 8 2026

.rest of today...northeast winds 5 to 15 knots diminishing to
less than 10 knots in the afternoon, then becoming southwest 5 to
15 knots late. a slight chance of thunderstorms by late morning.
a chance of showers. waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots diminishing to less than
10 knots after midnight. waves calm to 2 feet. 
.thursday...west winds less than 10 knots veering north in the
afternoon, then becoming southwest 5 to 15 knots late. waves calm
to 2 feet. 
.thursday night...east winds less than 10 knots veering west
after midnight. waves calm to 2 feet. 
.friday...east winds less than 10 knots. waves calm to 2 feet. 
.friday night...east winds 5 to 15 knots becoming west less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday...southwest winds 10 to 20 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 

$$