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fzus63 kmqt 291401
glfls 
expires:202607292000;;278923

open lake forecast for lake superior
national weather service marquette mi
1001 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 remains over lake superior through 
thursday morning. weak troughing of 28.8 to 29.9 inches moves over 
the lake thursday afternoon through early friday. ridging of 30.0 to 
30.1 inches returns this weekend 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-
1001 am edt wed jul 29 2026

.rest of today...southwest winds 5 to 15 knots 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. 

$$
fzus63 kmqt 291401
glfls 
expires:202607292000;;278922

open lake forecast for lake superior
national weather service marquette mi
1001 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 remains over lake superior through 
thursday morning. weak troughing of 28.8 to 29.9 inches moves over 
the lake thursday afternoon through early friday. ridging of 30.0 to 
30.1 inches returns this weekend into early next week.




lsz162-292000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt wed jul 29 2026 /901 am cdt wed jul 29 2026/

.rest of 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 and a slight chance of
thunderstorms 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. 

$$
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