fzus63 kmqt 012001
glfls 
expires:202607020800;;240382

open lake forecast for lake superior
national weather service marquette mi
401 pm edt wed jul 1 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 broad 29.6 inch low over ontario and quebec will push toward the 
hudson bay and quebec tonight into thursday dragging a 29.7 inch 
trough over lake superior. thereafter a 30.0 inch high will build 
over ontario, extending south into the upper great lakes through the 
weekend and into next week.




lsz162-020800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt wed jul 1 2026 /301 pm cdt wed jul 1 2026/

.late this afternoon...southwest winds 10 to 20 knots. a slight
chance of showers and thunderstorms. waves calm to 2 feet. 
.tonight...southwest winds 5 to 15 knots. patchy fog after
midnight. waves calm to 2 feet. 
.thursday...southwest winds 10 to 20 knots. waves building to
2 to 4 feet, then subsiding to 1 to 3 feet. 
.thursday night...west winds 5 to 15 knots veering north after
midnight, then veering northeast late. a slight chance of showers
and thunderstorms after midnight. waves subsiding to calm to
2 feet. 
.friday...northeast winds 5 to 15 knots. a slight chance of
thunderstorms through early afternoon. a chance of showers. waves
calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...northeast winds 10 to 20 knots. a chance of showers.
waves calm to 2 feet. 
.saturday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.sunday...northeast winds 5 to 15 knots diminishing to less than
10 knots. waves calm to 2 feet. 
.monday...north winds 5 to 15 knots backing west. waves calm to
2 feet. 

$$

fzus63 kmqt 012001
glfls 
expires:202607020800;;240383

open lake forecast for lake superior
national weather service marquette mi
401 pm edt wed jul 1 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 broad 29.6 inch low over ontario and quebec will push toward the 
hudson bay and quebec tonight into thursday dragging a 29.7 inch 
trough over lake superior. thereafter a 30.0 inch high will build 
over ontario, extending south into the upper great lakes through the 
weekend and into next week.




lsz263-020800-
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 wed jul 1 2026

.late this afternoon...southwest winds 10 to 20 knots. a chance
of showers and a slight chance of thunderstorms. waves 1 to
3 feet. 
.tonight...southwest winds 5 to 15 knots. a slight chance of
showers and thunderstorms through midnight. patchy fog after
midnight. waves subsiding to calm to 2 feet. 
.thursday...southwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves building to 2 to 4 feet. 
.thursday night...southwest winds 10 to 20 knots becoming west
5 to 15 knots after midnight, then becoming northeast less than
10 knots late. waves subsiding to calm to 2 feet. 
.friday...northeast winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...northeast winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. a chance of showers. waves calm to
2 feet. 
.saturday night...northeast winds 5 to 15 knots veering east
after midnight. a chance of showers. waves calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots veering east. waves calm
to 2 feet. 
.monday...southwest winds 5 to 15 knots. waves calm to 2 feet. 

$$