fzus63 kmqt 290801
glfls 
expires:202607292000;;265705

open lake forecast for lake superior
national weather service marquette mi
400 am edt wed jul 29 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 
returns again for the rest of this week into early next week.




lsz162-292000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt wed jul 29 2026 /300 am cdt wed jul 29 2026/

.early this morning...north winds less than 10 knots. waves calm
to 2 feet. 
.today...north winds less than 10 knots increasing to 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.tonight...east winds less than 10 knots backing north late.
waves calm to 2 feet. 
.thursday...east winds less than 10 knots becoming southwest 5 to
15 knots in the afternoon, then veering west late. patchy smoke.
a chance of showers and thunderstorms by mid afternoon. waves
calm to 2 feet. 
.thursday night...west winds 5 to 15 knots. patchy smoke through
midnight. a chance of showers through midnight. a slight chance
of thunderstorms. showers likely after midnight. waves calm to
2 feet. 
.friday...southwest winds 5 to 15 knots. showers likely through
early afternoon, then a chance of showers by mid afternoon. 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 290801
glfls 
expires:202607292000;;265706

open lake forecast for lake superior
national weather service marquette mi
400 am edt wed jul 29 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 
returns again for the rest of this week into early next week.




lsz263-292000-
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 wed jul 29 2026

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

$$