fzus63 kmqt 221401
glfls 
expires:202606222000;;184184

open lake forecast for lake superior
national weather service marquette mi
1000 am edt mon jun 22 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... 

this morning, lake superior sits under 30.0 inches of pressure, 
which builds to 30.2 inches by tuesday midday. late tuesday into 
wednesday, pressure falls to 29.9 inches as a weak 30.0 inch low 
passes just south of lake superior. ridging fills in behind this 
low, sending pressure over lake superior to 30.0 inches by saturday 
afternoon. 




lsz162-222000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am edt mon jun 22 2026 /900 am cdt mon jun 22 2026/

.rest of today...east winds 5 to 15 knots veering south in the
afternoon, then veering southwest late. waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots backing southwest late. waves
calm to 2 feet. 
.tuesday...north winds less than 10 knots becoming northeast 5 to
15 knots in the afternoon. a chance of showers and a slight
chance of thunderstorms by mid afternoon. waves calm to 2 feet. 
.tuesday night...northeast winds 5 to 15 knots increasing to
10 to 20 knots after midnight. a chance of rain showers through
midnight. a chance of thunderstorms. rain showers after midnight.
waves calm to 2 feet. 
.wednesday...northeast winds 10 to 20 knots. a chance of rain
showers. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.wednesday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.thursday...north winds 5 to 15 knots diminishing to less than
10 knots. waves calm to 2 feet. 
.friday...north winds less than 10 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 221401
glfls 
expires:202606222000;;184185

open lake forecast for lake superior
national weather service marquette mi
1000 am edt mon jun 22 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... 

this morning, lake superior sits under 30.0 inches of pressure, 
which builds to 30.2 inches by tuesday midday. late tuesday into 
wednesday, pressure falls to 29.9 inches as a weak 30.0 inch low 
passes just south of lake superior. ridging fills in behind this 
low, sending pressure over lake superior to 30.0 inches by saturday 
afternoon. 




lsz263-222000-
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 edt mon jun 22 2026

.rest of today...north winds less than 10 knots becoming west
5 to 15 knots in the afternoon. waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots diminishing to less than
10 knots after midnight. waves calm to 2 feet. 
.tuesday...southwest winds less than 10 knots becoming northeast
5 to 15 knots in the afternoon, then veering east late. waves
calm to 2 feet. 
.tuesday night...east winds 5 to 15 knots. a chance of rain
showers through midnight. a slight chance of thunderstorms. rain
showers likely after midnight. waves calm to 2 feet. 
.wednesday...east winds 10 to 20 knots backing northeast by mid
afternoon. rain showers likely through early afternoon. a slight
chance of thunderstorms. a slight chance of rain showers by mid
afternoon. waves building to 1 to 3 feet. 
.wednesday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.thursday...north winds 5 to 15 knots backing west. waves calm to
2 feet. 
.friday...southwest winds less than 10 knots backing east. waves
calm to 2 feet. 

$$