fzus63 kmqt 020201
glfls 
expires:202605020800;;866915

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri may 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...

weak ridging persists between 30.0 and 30.1 inches over lake 
superior until saturday morning. troughing of 29.6 inches then moves 
over the lake late saturday night and deepens with time before a 
29.2 inch low either moves over the lake or just misses lake 
superior to the north by monday. weak ridging of 29.8 inches builds 
back over lake superior by tuesday in the wake of the low, 
intensifying to 30.0 inches by wednesday as high pressure builds 
over the northern plains.



lsz162-020800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt fri may 1 2026 /900 pm cdt fri may 1 2026/

.rest of tonight...west winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...southwest winds 5 to 15 knots backing south late.
waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots veering west late. a
slight chance of rain showers through midnight. waves calm to
2 feet. 
.sunday...west winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.sunday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. a chance of rain showers after
midnight. waves calm to 2 feet. 
.monday...west winds 15 to 25 knots. a chance of rain showers.
waves building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.monday night...northwest winds 15 to 25 knots. waves 1 to
3 feet. 
.tuesday...west winds 10 to 20 knots becoming northwest 5 to
15 knots. waves subsiding to calm to 2 feet. 
.wednesday...west winds 5 to 15 knots veering northwest. waves
calm to 2 feet. 

$$

fzus63 kmqt 020201
glfls 
expires:202605020800;;866916

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri may 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...

weak ridging persists between 30.0 and 30.1 inches over lake 
superior until saturday morning. troughing of 29.6 inches then moves 
over the lake late saturday night and deepens with time before a 
29.2 inch low either moves over the lake or just misses lake 
superior to the north by monday. weak ridging of 29.8 inches builds 
back over lake superior by tuesday in the wake of the low, 
intensifying to 30.0 inches by wednesday as high pressure builds 
over the northern plains.



lsz263-020800-
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 pm edt fri may 1 2026

.rest of tonight...west winds 5 to 15 knots diminishing to less
than 10 knots late. waves calm to 2 feet. 
.saturday...southwest winds less than 10 knots increasing to 5 to
15 knots in the afternoon, then backing south late. waves calm to
2 feet. 
.saturday night...south winds 5 to 15 knots veering southwest
late. a slight chance of rain showers. waves calm to 2 feet. 
.sunday...west winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. waves building to 2 to 4 feet, then subsiding
to 1 to 3 feet. 
.sunday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. a slight chance of rain showers after
midnight. waves 1 to 3 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to 20 knots
by mid afternoon. a chance of rain showers. waves building to
2 to 4 feet. 
.monday night...northwest winds 10 to 20 knots. waves building to
3 to 5 feet occasionally to 7 feet. 
.tuesday...west winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.wednesday...west winds 5 to 15 knots veering northwest. waves
subsiding to calm to 2 feet. 

$$