fzus63 kmqt 261401
glfls 
expires:202610262000;;749063

open lake forecast for lake superior
national weather service marquette mi
1000 am edt mon oct 26 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...

high pressure becomes centered over northern ontario at 30.5 inches 
today, shifting to the saint lawrence seaway on tuesday. a 29.8 inch 
low tracks from the northern plains tuesday night to james bay at 
29.6 inches by thursday morning, dragging a 29.9 inch trough across 
lake superior wednesday evening to thursday morning. high pressure 
of 30.2 to 30.3 inches returns to the upper great lakes by friday.




lsz162-262000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am edt mon oct 26 2026 /900 am cdt mon oct 26 2026/

.rest of today...northeast winds 10 to 20 knots diminishing to
5 to 15 knots in the afternoon, then veering east late. waves
calm to 2 feet. 
.tonight...east winds 5 to 15 knots increasing to 10 to 20 knots
after midnight. a chance of rain showers after midnight. waves
building to 1 to 3 feet. 
.tuesday...east winds 15 to 25 knots. rain showers through early
afternoon, then a chance of rain showers by mid afternoon. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet. 
.tuesday night...southeast winds 10 to 20 knots becoming
southwest 5 to 15 knots after midnight. a slight chance of
showers through midnight. waves subsiding to calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots. a chance of showers
by mid afternoon. waves calm to 2 feet. 
.wednesday night...southwest winds 5 to 15 knots veering west
after midnight. showers likely through midnight. waves calm to
2 feet. 
.thursday...west winds 5 to 15 knots. waves calm to 2 feet. 
.friday...northwest winds 5 to 15 knots veering east. waves calm
to 2 feet. 

$$

fzus63 kmqt 261401
glfls 
expires:202610262000;;749064

open lake forecast for lake superior
national weather service marquette mi
1000 am edt mon oct 26 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...

high pressure becomes centered over northern ontario at 30.5 inches 
today, shifting to the saint lawrence seaway on tuesday. a 29.8 inch 
low tracks from the northern plains tuesday night to james bay at 
29.6 inches by thursday morning, dragging a 29.9 inch trough across 
lake superior wednesday evening to thursday morning. high pressure 
of 30.2 to 30.3 inches returns to the upper great lakes by friday.




lsz263-262000-
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 mon oct 26 2026

.rest of today...north winds 5 to 15 knots veering northeast in
the afternoon. waves 1 to 3 feet subsiding to calm to 2 feet. 
.tonight...east winds 5 to 15 knots. a slight chance of rain
showers after midnight. waves building to 1 to 3 feet. 
.tuesday...southeast winds 10 to 20 knots increasing to 15 to
25 knots late. a chance of rain showers. waves building to 3 to
5 feet occasionally to 7 feet. 
.tuesday night...southeast winds 10 to 20 knots veering south
after midnight. a slight chance of showers through midnight.
waves subsiding to 2 to 4 feet. 
.wednesday...southwest winds 10 to 20 knots. a slight chance of
showers by mid afternoon. waves subsiding to calm to 2 feet. 
.wednesday night...southwest winds 5 to 15 knots veering west
after midnight. showers through midnight, then a chance of
showers after midnight. waves calm to 2 feet. 
.thursday...west winds 5 to 15 knots. waves calm to 2 feet. 
.friday...northwest winds 5 to 15 knots backing southeast. waves
calm to 2 feet. 

$$