fzus63 kmqt 021501
glfls 
expires:202602022100;;967471

open lake forecast for lake superior
national weather service marquette mi
1000 am est mon feb 2 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 29.9 inch trough crossing the lake this morning moves over the 
ontario/quebec line tonight. meanwhile, a 30.4 inch high moves south 
from lake winnipeg today, extending ridging of at least 30.2 inches 
over the lake beginning late tonight. this high settles south over 
the upper mississippi river valley and plains through wednesday 
ahead of a deepening low moving into hudson bay by thursday morning. 
this low pulls a 29.6 inch trough through lake superior thursday 
night followed by ridging of at least 30.3 inches by friday night.



lsz162-022100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est mon feb 2 2026 /900 am cst mon feb 2 2026/

.rest of today...northwest winds 10 to 20 knots. waves calm to
2 feet. 
.tonight...north winds 10 to 20 knots diminishing to 5 to
15 knots late. waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. waves calm to 2 feet. 
.thursday...southwest winds 15 to 25 knots veering north. a
chance of snow showers, possibly mixed with rain. waves calm to
2 feet. 
.friday...north winds 15 to 25 knots diminishing to 5 to
15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 021501
glfls 
expires:202602022100;;967472

open lake forecast for lake superior
national weather service marquette mi
1000 am est mon feb 2 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 29.9 inch trough crossing the lake this morning moves over the 
ontario/quebec line tonight. meanwhile, a 30.4 inch high moves south 
from lake winnipeg today, extending ridging of at least 30.2 inches 
over the lake beginning late tonight. this high settles south over 
the upper mississippi river valley and plains through wednesday 
ahead of a deepening low moving into hudson bay by thursday morning. 
this low pulls a 29.6 inch trough through lake superior thursday 
night followed by ridging of at least 30.3 inches by friday night.



lsz263-022100-
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 mon feb 2 2026

.rest of today...north winds 10 to 20 knots backing northwest.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...north winds 10 to 20 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.tuesday...north winds 5 to 15 knots backing northwest by mid
afternoon. a slight chance of snow showers in the morning. waves
subsiding to calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots veering northwest after
midnight. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots. waves calm to 2 feet.
.wednesday night...west winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. waves building to 1 to 3 feet. 
.thursday...southwest winds 20 to 30 knots veering north. a
chance of snow showers, possibly mixed with rain. waves building
to 3 to 6 feet occasionally to 8 feet. 
.friday...north winds 20 to 30 knots diminishing to 15 to
25 knots. waves building to 5 to 8 feet occasionally to 10 feet,
then subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$