fzus63 kmqt 301401
glfls 
expires:202605302000;;896134

open lake forecast for lake superior
national weather service marquette mi
1001 am 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 30.4 inch high pressure over northern ontario will weaken 
throughout the day, becoming 30.2 inches over the upper great lakes 
tonight. the high remains over the area into tomorrow while 
progressively weakening with time, eventually becoming around 30.0 
inches by late tomorrow as another 30.4 inch high approaches the 
area from hudson bay. this second high settles north of the great 
lakes monday before arriving over the lake by tuesday. the high 
moves over the lower great lakes at 30.2 inches wednesday evening as 
a 29.9 inch trough moves over the northern plains. this trough moves 
near lake superior thursday, strengthening to 29.7 inches.




lsz162-302000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt sat may 30 2026 /901 am cdt sat may 30 2026/

.rest of today...northeast winds 15 to 25 knots increasing to
20 to 30 knots in the afternoon. waves 3 to 6 feet occasionally
to 8 feet. 
.tonight...northeast winds 20 to 30 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots veering east in the
afternoon. waves calm to 2 feet. 
.sunday night...east winds 5 to 15 knots backing northeast after
midnight. 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 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots veering southwest. a chance
of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 301401
glfls 
expires:202605302000;;896135

open lake forecast for lake superior
national weather service marquette mi
1001 am 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 30.4 inch high pressure over northern ontario will weaken 
throughout the day, becoming 30.2 inches over the upper great lakes 
tonight. the high remains over the area into tomorrow while 
progressively weakening with time, eventually becoming around 30.0 
inches by late tomorrow as another 30.4 inch high approaches the 
area from hudson bay. this second high settles north of the great 
lakes monday before arriving over the lake by tuesday. the high 
moves over the lower great lakes at 30.2 inches wednesday evening as 
a 29.9 inch trough moves over the northern plains. this trough moves 
near lake superior thursday, strengthening to 29.7 inches.




lsz263-302000-
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 am edt sat may 30 2026

.rest of today...east winds 10 to 20 knots becoming northeast
15 to 25 knots in the afternoon, then increasing to 20 to
30 knots late. waves 2 to 4 feet building to 3 to 5 feet
occasionally to 7 feet. 
.tonight...east winds 20 to 30 knots diminishing to 5 to 15 knots
after midnight, then veering south late. waves subsiding to calm
to 2 feet. 
.sunday...south winds less than 10 knots increasing to 5 to
15 knots in the afternoon, then backing east late. 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 5 to 15 knots veering east after
midnight. waves subsiding to calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.wednesday...southwest winds 5 to 15 knots backing south. a
chance of showers. waves calm to 2 feet. 

$$