fzus63 kmqt 031501
glfls 
expires:202602032100;;021755

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue feb 3 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 30.0 inch low moves into quebec this morning while a 30.4 inch 
high over ontario extends 30.3 inch ridging over lake superior. 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. the ridging rises to 30.4 inches by saturday.



lsz162-032100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est tue feb 3 2026 /900 am cst tue feb 3 2026/

.rest of today...north winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots backing west. waves
calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. a slight chance of snow showers
after midnight. waves calm to 2 feet. 
.thursday...southwest winds 15 to 25 knots veering west in the
afternoon. a slight chance of snow showers. a slight chance of
rain showers in the afternoon. waves building to 2 to 4 feet,
then subsiding to calm to 2 feet. 
.thursday night...west winds 15 to 25 knots veering northwest
after midnight. waves calm to 2 feet. 
.friday...north winds 15 to 25 knots diminishing to 5 to
15 knots. waves calm to 2 feet. 
.saturday...northeast winds 5 to 15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 031501
glfls 
expires:202602032100;;021756

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue feb 3 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 30.0 inch low moves into quebec this morning while a 30.4 inch 
high over ontario extends 30.3 inch ridging over lake superior. 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. the ridging rises to 30.4 inches by saturday.



lsz263-032100-
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 tue feb 3 2026

.rest of today...north winds 5 to 15 knots backing northwest by
mid afternoon. isolated snow showers late in the morning. waves
1 to 3 feet subsiding to calm to 2 feet. 
.tonight...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots. waves calm to 2 feet.
.wednesday night...northwest winds 5 to 15 knots becoming south
10 to 20 knots after midnight. a slight chance of snow showers
after midnight. waves building to 2 to 4 feet. 
.thursday...southwest winds 15 to 25 knots veering west in the
afternoon. a chance of snow showers. a slight chance of rain
showers in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.thursday night...west winds 15 to 25 knots becoming northwest
20 to 30 knots after midnight. a chance of rain showers in the
evening. a chance of snow showers. waves subsiding to 2 to
4 feet, then building to 3 to 6 feet occasionally to 8 feet. 
.friday...north gales to 35 knots diminishing to 10 to 20 knots.
waves building to 4 to 7 feet occasionally to 9 feet, then
subsiding to calm to 2 feet. 
.saturday...north winds 5 to 15 knots veering northeast. waves
calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$