fzus63 kmqt 300901
glfls 
expires:202601302100;;783514

open lake forecast for lake superior
national weather service marquette mi
400 am est fri jan 30 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 of 30.9 inches sags south along the red river valley 
(of the north) today, reaching the central plains at 30.8 inches by 
saturday morning. throughout saturday, a 29.9 inch low will move 
from saskatchewan to southern manitoba, weakening to a 30.0 inch 
remnant trough by the time it reaches lake superior sunday evening. 
as the trough further weakens to 30.1 inches over georgian bay 
monday, a 30.3 inch high will move over northwest ontario. this high 
builds to 30.4 inches tuesday as it settles over the great lakes 
basin through wednesday.



lsz162-302100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est fri jan 30 2026 /300 am cst fri jan 30 2026/

.early this morning...north winds 15 to 25 knots. a chance of
snow showers. waves 3 to 5 feet occasionally to 7 feet. 
.today...north winds 10 to 20 knots. a slight chance of snow
showers. waves subsiding to calm to 2 feet. 
.tonight...north winds 10 to 20 knots diminishing to 5 to
15 knots by midnight. waves calm to 2 feet. 
.saturday...west winds 5 to 15 knots backing southwest. waves
calm to 2 feet. 
.saturday night...southwest winds 10 to 20 knots. waves building
to 2 to 4 feet. 
.sunday...southwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. a chance of snow showers in the
morning, then snow showers likely in the afternoon. waves
subsiding to calm to 2 feet. 
.sunday night...northwest winds 10 to 20 knots veering north
after midnight. waves calm to 2 feet. 
.monday...north winds 5 to 15 knots veering east. waves calm to
2 feet. 
.tuesday...east winds 5 to 15 knots veering southeast. waves calm
to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 300901
glfls 
expires:202601302100;;783515

open lake forecast for lake superior
national weather service marquette mi
400 am est fri jan 30 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 of 30.9 inches sags south along the red river valley 
(of the north) today, reaching the central plains at 30.8 inches by 
saturday morning. throughout saturday, a 29.9 inch low will move 
from saskatchewan to southern manitoba, weakening to a 30.0 inch 
remnant trough by the time it reaches lake superior sunday evening. 
as the trough further weakens to 30.1 inches over georgian bay 
monday, a 30.3 inch high will move over northwest ontario. this high 
builds to 30.4 inches tuesday as it settles over the great lakes 
basin through wednesday.



lsz263-302100-
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 fri jan 30 2026

...heavy freezing spray warning in effect until 7 am est this
morning...

.early this morning...north winds 15 to 25 knots. heavy freezing
spray. a chance of snow showers. waves 3 to 6 feet occasionally
to 8 feet. 
.today...north winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of snow showers. waves subsiding to 2 to
4 feet. 
.tonight...north winds 10 to 20 knots diminishing to 5 to
15 knots late. a slight chance of snow showers in the evening.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 1 to 3 feet. 
.saturday...north winds 5 to 15 knots backing west by late
morning, then backing southwest by mid afternoon. waves subsiding
to calm to 2 feet. 
.saturday night...southwest winds 10 to 20 knots. waves building
to 2 to 4 feet. 
.sunday...southwest winds 15 to 25 knots. a chance of snow
showers in the morning, then snow showers likely in the
afternoon. waves subsiding to 1 to 3 feet. 
.sunday night...northwest winds 10 to 20 knots veering north
after midnight. a chance of snow showers. waves building to 2 to
4 feet. 
.monday...north winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 

note, wave height forecasts are for ice free areas.

$$