fzus63 kmqt 110858
glfls 
expires:202602112100;;446085

open lake forecast for lake superior
national weather service marquette mi
358 am est wed feb 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...

30.3 inch high pressure builds over the northern plains into the 
great lakes by thursday morning. friday, the high moves to the 
southern portion of the great lakes while a 29.8 inch low moves 
across northern ontario. this low pulls a 29.9 inch trough near 
eastern lake superior friday afternoon. saturday, high pressure 
resumes over the great lakes before a weak 29.9 inch trough moves 
into the upper great lakes saturday night. weak ridging of 30.1 
inches moves over lake superior on sunday.



lsz162-112100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
358 am est wed feb 11 2026 /258 am cst wed feb 11 2026/

.early this morning...northwest winds 10 to 20 knots. isolated
snow showers. waves calm to 2 feet. 
.today...northwest winds 10 to 20 knots becoming west 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots veering northwest by
midnight. waves calm to 2 feet. 
.thursday...south winds less than 10 knots becoming southwest
5 to 15 knots by late morning, then backing south by mid
afternoon. waves calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. waves calm to 2 feet. 
.friday...west winds 10 to 20 knots. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots veering west. waves calm to
2 feet. 
.sunday...west winds 5 to 15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 110858
glfls 
expires:202602112100;;446086

open lake forecast for lake superior
national weather service marquette mi
358 am est wed feb 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...

30.3 inch high pressure builds over the northern plains into the 
great lakes by thursday morning. friday, the high moves to the 
southern portion of the great lakes while a 29.8 inch low moves 
across northern ontario. this low pulls a 29.9 inch trough near 
eastern lake superior friday afternoon. saturday, high pressure 
resumes over the great lakes before a weak 29.9 inch trough moves 
into the upper great lakes saturday night. weak ridging of 30.1 
inches moves over lake superior on sunday.



lsz263-112100-
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-
358 am est wed feb 11 2026

.early this morning...northwest winds 10 to 20 knots. isolated
snow showers. waves 2 to 4 feet. 
.today...northwest winds 10 to 20 knots becoming west 5 to
15 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.tonight...northwest winds 5 to 15 knots diminishing to less than
10 knots late. waves calm to 2 feet. 
.thursday...southwest winds less than 10 knots increasing to 5 to
15 knots. waves calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. waves calm to 2 feet. 
.friday...west winds 10 to 20 knots. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots veering southwest. waves
calm to 2 feet. 
.sunday...west winds 5 to 15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$