fzus63 kmqt 011506 aaa
glfls 
expires:202609012315;;724021

open lake forecast for lake superior...updated
national weather service marquette mi
1106 am edt tue sep 1 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 29.7 inch low will continue to slowly move east over ontario 
through wednesday and weaken to 29.8 inches as it reaches james bay. 
this will bring broad 29.9 inch troughing over the upper great lakes 
beginning wednesday morning. a 29.9 inch ridge will move into the
area wednesday afternoon and build to 30.0 inches through friday.
ridging will give way to another weak trough on saturday night 
with ridging of 30.1 inches building back in for sunday.




lsz162-012315-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1106 am edt tue sep 1 2026 /1006 am cdt tue sep 1 2026/

.rest of today...southwest winds 15 to 25 knots veering west
late. waves calm to 2 feet building to 1 to 3 feet. 
.tonight...west winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.wednesday...north winds 5 to 15 knots veering south in the
afternoon. waves calm to 2 feet. 
.wednesday night...east winds less than 10 knots becoming
northeast 5 to 15 knots after midnight. waves calm to 2 feet. 
.thursday...northeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. waves building to 1 to 3 feet. 
.thursday night...northeast winds 10 to 20 knots. a chance of
showers and thunderstorms. waves subsiding to calm to 2 feet. 
.friday...northeast winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.saturday...northeast winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 

$$

fzus63 kmqt 011506 aaa
glfls 
expires:202609012315;;724022

open lake forecast for lake superior...updated
national weather service marquette mi
1106 am edt tue sep 1 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 29.7 inch low will continue to slowly move east over ontario 
through wednesday and weaken to 29.8 inches as it reaches james bay. 
this will bring broad 29.9 inch troughing over the upper great lakes 
beginning wednesday morning. a 29.9 inch ridge will move into the
area wednesday afternoon and build to 30.0 inches through friday.
ridging will give way to another weak trough on saturday night 
with ridging of 30.1 inches building back in for sunday.




lsz263-012315-
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-
1106 am edt tue sep 1 2026

.rest of today...southwest winds 10 to 20 knots increasing to
15 to 25 knots in the afternoon, then veering west late. waves
calm to 2 feet building to 2 to 4 feet. 
.tonight...west winds 10 to 20 knots diminishing to 5 to 15 knots
after midnight. waves subsiding to calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots backing southwest
late. waves calm to 2 feet. 
.wednesday night...east winds 5 to 15 knots becoming southeast
less than 10 knots after midnight. waves calm to 2 feet. 
.thursday...east winds 5 to 15 knots increasing to 15 to 25 knots
by mid afternoon. waves calm to 2 feet. 
.thursday night...east winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. a chance of thunderstorms. waves calm to
2 feet. 
.friday...east winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.saturday...east winds 5 to 15 knots. a chance of showers. waves
calm to 2 feet. 

$$