fzus63 kmqt 112001
glfls 
expires:202606120800;;577298

open lake forecast for lake superior
national weather service marquette mi
400 pm edt thu jun 11 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 29.3 inch low lifts through the eastern lake this tonight. behind 
the low, troughing progressively weakens to 29.7 inches friday 
through friday night. while troughing looks to restrengthen to 29.6 
inches on saturday, expect weak ridging of 29.8 inches to return to 
lake superior on sunday. a 29.7 inch trough moves through the lake 
sunday night before 29.8 inch ridging pushes back in on monday. 




lsz162-120800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm edt thu jun 11 2026 /300 pm cdt thu jun 11 2026/

.late this afternoon...southwest winds 15 to 25 knots. a chance
of showers. waves 1 to 3 feet. 
.tonight...southwest winds 10 to 20 knots becoming west 15 to
25 knots after midnight, then backing southwest late. a chance of
showers through midnight. waves subsiding to calm to 2 feet, then
building to 2 to 4 feet. 
.friday...southwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday night...west winds 15 to 25 knots backing southwest after
midnight. waves subsiding to 1 to 3 feet, then building to 2 to
4 feet. 
.saturday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.saturday night...west winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...west winds 15 to 25 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.sunday night...west winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves subsiding to calm to 2 feet. 
.monday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
waves building to 1 to 3 feet, then subsiding to calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots veering west. waves calm
to 2 feet. 

$$

fzus63 kmqt 112001
glfls 
expires:202606120800;;577299

open lake forecast for lake superior
national weather service marquette mi
400 pm edt thu jun 11 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 29.3 inch low lifts through the eastern lake this tonight. behind 
the low, troughing progressively weakens to 29.7 inches friday 
through friday night. while troughing looks to restrengthen to 29.6 
inches on saturday, expect weak ridging of 29.8 inches to return to 
lake superior on sunday. a 29.7 inch trough moves through the lake 
sunday night before 29.8 inch ridging pushes back in on monday. 




lsz263-120800-
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 thu jun 11 2026

.late this afternoon...southwest winds 15 to 25 knots. a chance
of showers. waves 1 to 3 feet. 
.tonight...west winds 10 to 20 knots increasing to 15 to 25 knots
after midnight. showers through midnight, then a slight chance of
showers after midnight. waves subsiding to calm to 2 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.friday...southwest winds 20 to 30 knots. waves building to 4 to
7 feet occasionally to 9 feet. 
.friday night...southwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight, then increasing to 15 to 25 knots
late. waves subsiding to 2 to 4 feet, then building to 3 to
5 feet occasionally to 7 feet. 
.saturday...west winds 15 to 25 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.saturday night...west winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves subsiding to 2 to 4 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.sunday...west winds 15 to 25 knots increasing to 20 to 30 knots
by mid afternoon. waves building to 3 to 6 feet occasionally to
8 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 diminishing to 5 to 15 knots.
waves subsiding to calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots backing south. waves
calm to 2 feet. 

$$