fzus63 kmqt 132001
glfls 
expires:202606140800;;690966

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sat jun 13 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 29.6 inch trough is currently moving across lake superior this 
afternoon and is followed by a 29.7 inch trough sunday pm. weak 
ridging of 29.7 inches follows into monday, but another 29.7 inch 
trough moves through the lake late monday into tuesday. troughing of 
around 29.6 inches returns by late tuesday before a low of 29.4 
inches moves through the great lakes region wednesday night and 
thursday. 




lsz162-140800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt sat jun 13 2026 /301 pm cdt sat jun 13 2026/

.late this afternoon...west winds 15 to 25 knots. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tonight...west winds 10 to 20 knots increasing to 15 to 25 knots
late. waves subsiding to calm to 2 feet. 
.sunday...west winds 15 to 25 knots. waves building to 1 to
3 feet. 
.sunday night...west winds 10 to 20 knots increasing to 15 to
25 knots late. waves subsiding to calm to 2 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to 20 knots
by mid afternoon. a chance of showers and a slight chance of
thunderstorms by mid afternoon. waves building to 2 to 4 feet,
then subsiding to calm to 2 feet. 
.monday night...west winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots backing south by mid
afternoon. waves calm to 2 feet. 
.tuesday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots becoming northeast 10 to
20 knots. a chance of rain showers. waves calm to 2 feet. 
.thursday...west winds 10 to 20 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 132001
glfls 
expires:202606140800;;690967

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sat jun 13 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 29.6 inch trough is currently moving across lake superior this 
afternoon and is followed by a 29.7 inch trough sunday pm. weak 
ridging of 29.7 inches follows into monday, but another 29.7 inch 
trough moves through the lake late monday into tuesday. troughing of 
around 29.6 inches returns by late tuesday before a low of 29.4 
inches moves through the great lakes region wednesday night and 
thursday. 




lsz263-140800-
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 pm edt sat jun 13 2026

.late this afternoon...west winds 15 to 25 knots. waves 3 to
5 feet occasionally to 7 feet subsiding to 2 to 4 feet. 
.tonight...west winds 10 to 20 knots. waves 2 to 4 feet. 
.sunday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet. 
.sunday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 2 to 4 feet. 
.monday...west winds 10 to 20 knots. a slight chance of showers
and thunderstorms by mid afternoon. waves subsiding to 1 to
3 feet. 
.monday night...west winds 5 to 15 knots veering north after
midnight. waves subsiding to calm to 2 feet. 
.tuesday...west winds 5 to 15 knots backing southwest by mid
afternoon. waves calm to 2 feet. 
.tuesday night...south winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots backing northeast. a chance
of rain showers. waves calm to 2 feet. 
.thursday...west winds 5 to 15 knots. waves calm to 2 feet. 

$$