fzus63 kmqt 011501
glfls 
expires:202611012100;;081756

open lake forecast for lake superior
national weather service marquette mi
1000 am est sun nov 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 30.5 inch high pressure moving into the eastern seaboard later 
today continues to extend a 30.2 inch ridge over lake superior the 
rest of today into this evening. monday, a 29.4 inch low lifts from 
colorado into the northern plains, then heads towards the upper 
mississippi valley at 29.6 inches monday night and tuesday. pressure 
falls over lake superior from 30.1 inches monday morning to 29.7 
inches tuesday morning. the colorado low then slowly trudges 
eastward from southern minnesota throughout wednesday before 
arriving over upper michigan wednesday night at 29.7 inches. 
meanwhile, pressure over lake superior remains near 29.7 inches. 
thursday into friday, the low departs swiftly northeast toward 
newfoundland while remaining at 29.7 inches and ridging to 30.0 
inches builds in over lake superior.




lsz162-012100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est sun nov 1 2026 /900 am cst sun nov 1 2026/

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

$$

fzus63 kmqt 011501
glfls 
expires:202611012100;;081757

open lake forecast for lake superior
national weather service marquette mi
1000 am est sun nov 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 30.5 inch high pressure moving into the eastern seaboard later 
today continues to extend a 30.2 inch ridge over lake superior the 
rest of today into this evening. monday, a 29.4 inch low lifts from 
colorado into the northern plains, then heads towards the upper 
mississippi valley at 29.6 inches monday night and tuesday. pressure 
falls over lake superior from 30.1 inches monday morning to 29.7 
inches tuesday morning. the colorado low then slowly trudges 
eastward from southern minnesota throughout wednesday before 
arriving over upper michigan wednesday night at 29.7 inches. 
meanwhile, pressure over lake superior remains near 29.7 inches. 
thursday into friday, the low departs swiftly northeast toward 
newfoundland while remaining at 29.7 inches and ridging to 30.0 
inches builds in over lake superior.




lsz263-012100-
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 est sun nov 1 2026

.rest of today...southwest winds 5 to 15 knots. a chance of
showers. waves calm to 2 feet. 
.tonight...south winds 5 to 15 knots. patchy fog. waves calm to
2 feet. 
.monday...southeast winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 
.monday night...southeast winds 10 to 20 knots veering south
after midnight. showers in the evening, then a chance of showers
after midnight. waves building to 2 to 4 feet. 
.tuesday...south winds 5 to 15 knots backing north in the
afternoon. showers. waves subsiding to calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots increasing to 10 to
20 knots after midnight. showers. waves building to 1 to 3 feet. 
.wednesday...northwest winds 10 to 20 knots becoming north 15 to
25 knots. rain showers likely. waves subsiding to calm to 2 feet,
then building to 3 to 5 feet occasionally to 7 feet. 
.thursday...north winds 20 to 30 knots becoming northeast 15 to
25 knots. a chance of rain showers. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 2 to 4 feet. 

$$