fzus63 kmqt 272001
glfls 
expires:202607280800;;711243

open lake forecast for lake superior
national weather service marquette mi
401 pm edt mon jul 27 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... 

weak ridging of near 30.0 inches returns to lake superior tonight 
into tuesday and remains until thursday morning. the ridging then 
gives way to weak troughing of 29.9 inches before becoming weak 
ridging of 29.9 to 30.0 inches again the rest of this week.




lsz162-280800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt mon jul 27 2026 /301 pm cdt mon jul 27 2026/

...dense fog advisory in effect until 8 am edt /7 am cdt/
tuesday...

.late this afternoon...northeast winds 5 to 15 knots. patchy fog.
waves 1 to 3 feet subsiding to calm to 2 feet. 
.tonight...northwest winds 5 to 15 knots diminishing to less than
10 knots after midnight. patchy fog. waves calm to 2 feet. 
.tuesday...west winds less than 10 knots becoming south 5 to
15 knots in the afternoon, then backing east late. patchy fog.
waves calm to 2 feet. 
.tuesday night...east winds less than 10 knots backing northeast
after midnight. waves calm to 2 feet. 
.wednesday...north winds less than 10 knots becoming east 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.wednesday night...northeast winds 5 to 15 knots diminishing to
less than 10 knots after midnight. waves calm to 2 feet. 
.thursday...east winds 5 to 15 knots backing northeast by mid
afternoon. waves calm to 2 feet. 
.thursday night...north winds 5 to 15 knots backing west after
midnight. a chance of showers and thunderstorms. waves calm to
2 feet. 
.friday...southwest winds 5 to 15 knots veering northwest. a
chance of showers. waves calm to 2 feet. 
.saturday...north winds 5 to 15 knots veering northeast. waves
calm to 2 feet. 

$$

fzus63 kmqt 272001
glfls 
expires:202607280800;;711244

open lake forecast for lake superior
national weather service marquette mi
401 pm edt mon jul 27 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... 

weak ridging of near 30.0 inches returns to lake superior tonight 
into tuesday and remains until thursday morning. the ridging then 
gives way to weak troughing of 29.9 inches before becoming weak 
ridging of 29.9 to 30.0 inches again the rest of this week.




lsz263-280800-
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 mon jul 27 2026

...dense fog advisory in effect until 8 am edt tuesday...

.late this afternoon...northeast winds 10 to 20 knots. patchy
fog. waves 1 to 3 feet subsiding to calm to 2 feet. 
.tonight...north winds 5 to 15 knots backing northwest after
midnight, then becoming north less than 10 knots late. patchy
fog. waves calm to 2 feet. 
.tuesday...west winds less than 10 knots becoming south 5 to
15 knots in the afternoon, then veering southwest late. patchy
fog. waves calm to 2 feet. 
.tuesday night...east winds 5 to 15 knots becoming southeast less
than 10 knots after midnight, then veering south late. waves calm
to 2 feet. 
.wednesday...south winds less than 10 knots backing east by mid
afternoon. waves calm to 2 feet. 
.wednesday night...east winds 5 to 15 knots becoming south less
than 10 knots after midnight. waves calm to 2 feet. 
.thursday...south winds less than 10 knots. waves calm to 2 feet.
.thursday night...southwest winds 5 to 15 knots becoming west
less than 10 knots after midnight. a chance of showers and
thunderstorms. waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots veering northwest. waves
calm to 2 feet. 
.saturday...north winds 5 to 15 knots. waves calm to 2 feet. 

$$