fzus63 kmqt 031401
glfls 
expires:202607032000;;338968

open lake forecast for lake superior
national weather service marquette mi
1000 am edt fri jul 3 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... 

through this afternoon high pressure of 30.0 inches will continue to 
build into manitoba and ontario from the north. the high will extend 
over lake superior by saturday morning and will linger through the 
weekend as a weak low of 29.9 inches passes south of lake superior. 
late sunday night into monday, the high is pushed southeast into 
quebec at 30.1 inches by a 29.6 inch low over northern manitoba. the 
low deepens to 29.5 inches by tuesday morning as 30.1 inch high 
pressure builds over the northern plains. the high then moves over 
the great lakes for wednesday.




lsz162-032000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am edt fri jul 3 2026 /900 am cdt fri jul 3 2026/

.rest of today...northeast winds 5 to 15 knots. a slight chance
of showers and thunderstorms by late morning. waves calm to
2 feet. 
.tonight...northeast winds 5 to 15 knots. a slight chance of
showers and thunderstorms. waves calm to 2 feet. 
.saturday...northeast winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. a slight chance of showers. waves
building to 2 to 4 feet. 
.saturday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. a slight chance of showers. waves
subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots becoming north less
than 10 knots after midnight. waves calm to 2 feet. 
.monday...north winds less than 10 knots increasing to 5 to
15 knots. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots veering west. waves calm
to 2 feet. 

$$

fzus63 kmqt 031401
glfls 
expires:202607032000;;338969

open lake forecast for lake superior
national weather service marquette mi
1000 am edt fri jul 3 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... 

through this afternoon high pressure of 30.0 inches will continue to 
build into manitoba and ontario from the north. the high will extend 
over lake superior by saturday morning and will linger through the 
weekend as a weak low of 29.9 inches passes south of lake superior. 
late sunday night into monday, the high is pushed southeast into 
quebec at 30.1 inches by a 29.6 inch low over northern manitoba. the 
low deepens to 29.5 inches by tuesday morning as 30.1 inch high 
pressure builds over the northern plains. the high then moves over 
the great lakes for wednesday.




lsz263-032000-
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-
1000 am edt fri jul 3 2026

.rest of today...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...northeast winds 5 to 15 knots. a slight chance of
showers after midnight. waves calm to 2 feet. 
.saturday...northeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. a slight chance of showers. waves
building to 2 to 4 feet. 
.saturday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. a chance of showers. waves
subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.monday...north winds less than 10 knots becoming southwest 5 to
15 knots. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots. waves calm to 2 feet. 

$$