fzus63 kmqt 241401
glfls 
expires:202606242000;;828270

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed jun 24 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... 

a 29.9 inch low centered over northeast mn drops southeast this 
afternoon, tracking along the up/wi border into the early evening 
before moving through lower michigan towards the st. lawrence seaway 
tonight into thursday. as the clipper leaves the upper midwest, 
expect weak 30.0 inch ridging to return to lake superior on 
thursday, building to 30.1 inches by friday morning and remaining 
that way into saturday to potentially even sunday. meanwhile late 
this weekend, a 29.2 inch low lifts from the rockies towards the 
northern plains and canadian prairies. 




lsz263-242000-
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-
1000 am edt wed jun 24 2026

.rest of today...east winds 5 to 15 knots becoming northeast
10 to 20 knots in the afternoon. a chance of showers and a slight
chance of thunderstorms. waves calm to 2 feet. 
.tonight...northeast winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. patchy fog. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.thursday...north winds 5 to 15 knots becoming northwest less
than 10 knots in the afternoon. patchy fog through early
afternoon. waves calm to 2 feet. 
.thursday night...west winds less than 10 knots. waves calm to
2 feet. 
.friday...northeast winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.friday night...east winds 5 to 15 knots diminishing to less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...east winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.sunday...east winds 15 to 25 knots veering southeast. a chance
of showers, then showers likely. waves building to 3 to 6 feet
occasionally to 8 feet. 

$$

fzus63 kmqt 241401
glfls 
expires:202606242000;;828269

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed jun 24 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... 

a 29.9 inch low centered over northeast mn drops southeast this 
afternoon, tracking along the up/wi border into the early evening 
before moving through lower michigan towards the st. lawrence seaway 
tonight into thursday. as the clipper leaves the upper midwest, 
expect weak 30.0 inch ridging to return to lake superior on 
thursday, building to 30.1 inches by friday morning and remaining 
that way into saturday to potentially even sunday. meanwhile late 
this weekend, a 29.2 inch low lifts from the rockies towards the 
northern plains and canadian prairies. 




lsz162-242000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am edt wed jun 24 2026 /900 am cdt wed jun 24 2026/

.rest of today...northeast winds 5 to 15 knots increasing to
10 to 20 knots in the afternoon. a slight chance of showers and
thunderstorms. waves calm to 2 feet building to 1 to 3 feet. 
.tonight...northeast winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. a slight chance of rain showers through
midnight. patchy fog after midnight. waves subsiding to calm to
2 feet. 
.thursday...northeast winds 5 to 15 knots veering southwest in
the afternoon, then veering north late. patchy fog through early
afternoon. waves calm to 2 feet. 
.thursday night...north winds less than 10 knots. waves calm to
2 feet. 
.friday...north winds less than 10 knots becoming northeast 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.saturday...northeast winds 10 to 20 knots veering east. a chance
of rain showers. waves building to 1 to 3 feet. 
.sunday...east winds 20 to 30 knots. a chance of showers. a
chance of thunderstorms. showers likely. waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet. 

$$