fzus63 kmqt 012056
glfls 
expires:202611020900;;097110

open lake forecast for lake superior
national weather service marquette mi
356 pm 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 30.4 inch high pressure passing the eastern seaboard later today 
continues to extend a 30.2 inch ridge over lake superior 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 a gradient of 29.9-29.6 
inches (higher east) tuesday morning. the colorado low then slowly 
trudges northeast from southern minnesota throughout wednesday 
before arriving over lake superior wednesday night at 29.5 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.




lsz162-020900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
356 pm est sun nov 1 2026 /256 pm cst sun nov 1 2026/

.late this afternoon...south winds 5 to 15 knots. patchy fog.
waves calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots backing east late.
patchy fog. waves calm to 2 feet. 
.monday...southeast winds 5 to 15 knots becoming east 10 to
20 knots. patchy fog in the morning. a chance of showers in the
morning, then showers likely in the afternoon. waves calm to
2 feet. 
.monday night...east winds 15 to 25 knots diminishing to 10 to
20 knots by midnight, then veering southeast late. 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 northeast in the
afternoon. showers. waves calm to 2 feet. 
.tuesday night...northeast winds 10 to 20 knots. showers. waves
calm to 2 feet. 
.wednesday...northeast winds 15 to 25 knots. showers. waves calm
to 2 feet. 
.wednesday night...north winds 15 to 25 knots increasing to 20 to
30 knots after midnight. showers likely in the evening, then a
chance of showers after midnight. waves building to 2 to 4 feet. 
.thursday...north winds 20 to 30 knots becoming northeast 15 to
25 knots. a chance of rain showers. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.friday...northeast winds 5 to 15 knots. waves subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 012056
glfls 
expires:202611020900;;097111

open lake forecast for lake superior
national weather service marquette mi
356 pm 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 30.4 inch high pressure passing the eastern seaboard later today 
continues to extend a 30.2 inch ridge over lake superior 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 a gradient of 29.9-29.6 
inches (higher east) tuesday morning. the colorado low then slowly 
trudges northeast from southern minnesota throughout wednesday 
before arriving over lake superior wednesday night at 29.5 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.




lsz263-020900-
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-
356 pm est sun nov 1 2026

.late this afternoon...southwest winds 5 to 15 knots. a slight
chance of showers. waves calm to 2 feet. 
.tonight...south winds 5 to 15 knots. a slight chance of showers
in the evening. 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 becoming south
5 to 15 knots late. 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 east in the
afternoon. showers. waves subsiding to calm to 2 feet. 
.tuesday night...northeast winds 10 to 20 knots. showers. waves
building to 1 to 3 feet. 
.wednesday...northeast winds 10 to 20 knots. showers likely.
waves subsiding to calm to 2 feet. 
.wednesday night...north winds 15 to 25 knots increasing to gales
to 35 knots after midnight. rain showers likely. waves building
to 3 to 5 feet occasionally to 7 feet. 
.thursday...north gales to 35 knots becoming northeast 20 to
30 knots. a chance of rain showers. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 2 to 4 feet. 
.friday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$