fzus63 kmqt 310201
glfls 
expires:202605310800;;924528

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sat may 30 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 30.2 inch high pressure holds over the great lakes tonight, then 
gradually weakens through sunday to 30.0 inches. another high 
pressure of 30.4 inches approaches the area from hudson bay sunday 
night through monday, becoming centered over the great lakes tuesday 
morning. the high weakens to 30.3 inches for tuesday night, then 
moves southeast on wednesday to the ohio river valley. meanwhile, a 
29.9 inch trough approaches from the northwest, moving over lake 
superior on thursday.




lsz162-310800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 pm edt sat may 30 2026 /901 pm cdt sat may 30 2026/

.rest of tonight...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves 3 to 5 feet occasionally to
7 feet subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...north winds 5 to 15 knots veering northeast late.
waves calm to 2 feet. 
.monday...northeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. waves building to 2 to 4 feet. 
.monday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday night...northeast winds 5 to 15 knots becoming north
less than 10 knots after midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots becoming west 10 to
20 knots. a chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 310201
glfls 
expires:202605310800;;924529

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sat may 30 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 30.2 inch high pressure holds over the great lakes tonight, then 
gradually weakens through sunday to 30.0 inches. another high 
pressure of 30.4 inches approaches the area from hudson bay sunday 
night through monday, becoming centered over the great lakes tuesday 
morning. the high weakens to 30.3 inches for tuesday night, then 
moves southeast on wednesday to the ohio river valley. meanwhile, a 
29.9 inch trough approaches from the northwest, moving over lake 
superior on thursday.




lsz263-310800-
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-
1001 pm edt sat may 30 2026

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

$$