fzus63 kmqt 281402
glfls 
expires:202607282000;;221241

open lake forecast for lake superior
national weather service marquette mi
1001 am 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 builds to near 30.0 inches over lake superior this 
morning 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.




lsz162-282000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt tue jul 28 2026 /901 am cdt tue jul 28 2026/

...dense fog advisory in effect until 8 pm edt /7 pm cdt/ this
evening...

.rest of today...southwest 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. 
.tonight...east winds less than 10 knots backing north late.
patchy fog. waves calm to 2 feet. 
.wednesday...north winds less than 10 knots becoming east 5 to
15 knots late. waves calm to 2 feet. 
.wednesday night...northeast winds 5 to 15 knots diminishing to
less than 10 knots after midnight. a slight chance of showers and
thunderstorms after midnight. waves calm to 2 feet. 
.thursday...east winds less than 10 knots becoming north 5 to
15 knots by mid afternoon. 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. a chance of thunderstorms. showers likely after
midnight. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots veering northwest. waves calm
to 2 feet. 
.saturday...northeast winds 5 to 15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 281402
glfls 
expires:202607282000;;221242

open lake forecast for lake superior
national weather service marquette mi
1001 am 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 builds to near 30.0 inches over lake superior this 
morning 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.




lsz263-282000-
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-
1001 am edt tue jul 28 2026

...dense fog advisory in effect until 8 pm edt this evening...

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

$$