fzus63 kmqt 280901
glfls 
expires:202601282100;;671176

open lake forecast for lake superior
national weather service marquette mi
400 am est wed jan 28 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 weak 30.0 inch low remains over the eastern lake this morning as 
high pressure builds to the south and west through the rest of the 
work-week. remnant troughing gradually weakens over the lake 
thursday before strong high pressure around 31.0 inches descending 
from the canadian prairies brings ridging of around 30.6 inches back 
over lake superior by friday. ridging remains over the lake this 
weekend, weakening on sunday to 30.2 inches as the high pressure 
moves south over the plains.



lsz162-282100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est wed jan 28 2026 /300 am cst wed jan 28 2026/

.early this morning...northwest winds 15 to 25 knots. isolated
snow showers. waves 2 to 4 feet. 
.today...northwest winds 15 to 25 knots. a slight chance of snow
showers. waves 2 to 4 feet. 
.tonight...northwest winds 15 to 25 knots becoming north 10 to
20 knots by midnight. a chance of snow showers. waves building to
3 to 5 feet occasionally to 7 feet, then subsiding to 1 to
3 feet. 
.thursday...north winds 10 to 20 knots. a slight chance of snow
showers. waves subsiding to calm to 2 feet, then building to 1 to
3 feet. 
.thursday night...northeast winds 10 to 20 knots backing north
after midnight. a slight chance of snow showers. waves 1 to
3 feet. 
.friday...north winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.friday night...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. waves calm to 2 feet. 
.sunday...southwest winds 10 to 20 knots veering northwest. a
chance of snow showers. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 280901
glfls 
expires:202601282100;;671177

open lake forecast for lake superior
national weather service marquette mi
400 am est wed jan 28 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 weak 30.0 inch low remains over the eastern lake this morning as 
high pressure builds to the south and west through the rest of the 
work-week. remnant troughing gradually weakens over the lake 
thursday before strong high pressure around 31.0 inches descending 
from the canadian prairies brings ridging of around 30.6 inches back 
over lake superior by friday. ridging remains over the lake this 
weekend, weakening on sunday to 30.2 inches as the high pressure 
moves south over the plains.



lsz263-282100-
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 wed jan 28 2026

...heavy freezing spray warning in effect through late tonight...

.early this morning...northwest winds 10 to 20 knots. snow
showers. waves 3 to 6 feet occasionally to 8 feet. 
.today...northwest winds 10 to 20 knots veering north by late
morning, then backing northwest by mid afternoon. 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 chance of snow showers. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.thursday...north winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. a chance of snow showers. waves
subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.thursday night...north winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. a chance of snow showers. waves building
to 3 to 5 feet occasionally to 7 feet. 
.friday...north winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. a chance of snow showers. waves
subsiding to 2 to 4 feet. 
.friday night...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots backing southwest. waves
subsiding to calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots becoming northwest 10 to
20 knots. waves building to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$