fzus63 kmqt 010900
glfls 
expires:202611012100;;068829

open lake forecast for lake superior
national weather service marquette mi
400 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. thereafter, a 29.4 inch low lifts 
from colorado into the northern plains late tonight into monday, 
then head towards the upper mississippi valley at 29.6 inches 
monday night and tuesday. this low then slowly trudges eastward 
wednesday before arriving over the western great lakes wednesday 
night. the low weakens over the great lakes region to around 29.7 
inches on thursday as it slowly continues eastward. 




lsz162-012100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est sun nov 1 2026 /300 am cst sun nov 1 2026/

.early this morning...south winds less than 10 knots. a slight
chance of showers. waves calm to 2 feet. 
.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. patchy dense fog in the morning. a slight 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. a slight chance of thunderstorms after
midnight. 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 likely in the evening, then a chance of
showers after midnight. waves calm to 2 feet. 
.wednesday...northwest winds 10 to 20 knots becoming north 15 to
25 knots. showers likely, then a chance of showers. waves
building to 2 to 4 feet. 
.thursday...northeast winds 15 to 25 knots diminishing to 10 to
20 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet. 

$$

fzus63 kmqt 010900
glfls 
expires:202611012100;;068830

open lake forecast for lake superior
national weather service marquette mi
400 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. thereafter, a 29.4 inch low lifts 
from colorado into the northern plains late tonight into monday, 
then head towards the upper mississippi valley at 29.6 inches 
monday night and tuesday. this low then slowly trudges eastward 
wednesday before arriving over the western great lakes wednesday 
night. the low weakens over the great lakes region to around 29.7 
inches on thursday as it slowly continues eastward. 




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-
400 am est sun nov 1 2026

.early this morning...south winds 5 to 15 knots. a slight chance
of showers. waves calm to 2 feet. 
.today...southwest winds 5 to 15 knots. a slight 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 slight chance of
showers in the morning, then showers likely in the afternoon.
waves calm to 2 feet. 
.monday night...southeast winds 10 to 20 knots veering south
after midnight. showers. 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 likely in the evening, then a
chance of showers after midnight. waves building to 1 to 3 feet. 
.wednesday...northwest winds 10 to 20 knots becoming north 15 to
25 knots. rain showers likely, then a chance of rain showers.
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. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 2 to 4 feet. 

$$