fzus63 kmqt 110801
glfls 
expires:202607112000;;780551

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jul 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... 

high pressure of 30.0 inches extending from hudson bay to lake 
superior this morning builds to 30.1 to 30.2 inches over the lake 
this weekend. the high shifts south to the lower great lakes through 
sunday. a strong low of around 29.3 inches looks to cross into 
hudson bay early next week. by wednesday, 30.1 inch high pressure 
extends from the canadian prairies to the southern appalachians as 
29.1 inch low pressure moves into northern quebec.




lsz162-112000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt sat jul 11 2026 /300 am cdt sat jul 11 2026/

.early this morning...north winds less than 10 knots. waves calm
to 2 feet. 
.today...southwest winds less than 10 knots becoming north 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.tonight...south winds less than 10 knots becoming north 5 to
15 knots after midnight, then backing southwest late. waves calm
to 2 feet. 
.sunday...southwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves building to 2 to 4 feet. 
.sunday night...southwest winds 15 to 25 knots. waves subsiding
to 1 to 3 feet. 
.monday...southwest winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet. 
.monday night...southwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. waves subsiding to 2 to 4 feet. 
.tuesday...southwest winds 10 to 20 knots veering north. waves
subsiding to calm to 2 feet. 
.wednesday...northeast winds 5 to 15 knots. waves calm to 2 feet.

$$

fzus63 kmqt 110801
glfls 
expires:202607112000;;780552

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jul 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... 

high pressure of 30.0 inches extending from hudson bay to lake 
superior this morning builds to 30.1 to 30.2 inches over the lake 
this weekend. the high shifts south to the lower great lakes through 
sunday. a strong low of around 29.3 inches looks to cross into 
hudson bay early next week. by wednesday, 30.1 inch high pressure 
extends from the canadian prairies to the southern appalachians as 
29.1 inch low pressure moves into northern quebec.




lsz263-112000-
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 am edt sat jul 11 2026

.early this morning...southwest winds less than 10 knots. waves
calm to 2 feet. 
.today...southwest winds less than 10 knots increasing to 5 to
15 knots in the afternoon, then backing south late. waves calm to
2 feet. 
.tonight...south winds 5 to 15 knots veering southwest after
midnight. waves calm to 2 feet. 
.sunday...southwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.sunday night...southwest winds 15 to 25 knots increasing to
20 to 30 knots after midnight. waves 3 to 5 feet occasionally to
7 feet. 
.monday...southwest winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. waves building to 4 to 7 feet
occasionally to 9 feet. 
.monday night...southwest winds 20 to 30 knots. waves subsiding
to 3 to 6 feet occasionally to 8 feet. 
.tuesday...west winds 20 to 30 knots becoming north 10 to
20 knots. waves subsiding to calm to 2 feet. 
.wednesday...north winds 5 to 15 knots veering northeast. waves
calm to 2 feet. 

$$