fzus63 kmqt 282002
glfls 
expires:202607290800;;237020

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jul 28 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 near 30.0 inches over lake superior 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.




lsz162-290800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt tue jul 28 2026 /301 pm cdt tue jul 28 2026/

.late this afternoon...east winds 5 to 15 knots. patchy dense
fog. waves calm to 2 feet. 
.tonight...east winds less than 10 knots backing north after
midnight. patchy fog. waves calm to 2 feet. 
.wednesday...north winds less than 10 knots increasing to 5 to
15 knots in the afternoon, then diminishing to less than 10 knots
late. waves calm to 2 feet. 
.wednesday night...northeast winds less than 10 knots. a slight
chance of showers. waves calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots. a slight chance of
showers and thunderstorms by mid afternoon. waves calm to 2 feet.
.thursday night...west winds 5 to 15 knots. a chance of showers
through midnight. showers likely after midnight. waves calm to
2 feet. 
.friday...west winds 5 to 15 knots backing southwest by mid
afternoon. a chance of showers. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.saturday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.sunday...northeast winds 10 to 20 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 282002
glfls 
expires:202607290800;;237021

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jul 28 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 near 30.0 inches over lake superior 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.




lsz263-290800-
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 tue jul 28 2026

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

$$