fzus63 kmqt 300801
glfls 
expires:202605302000;;883360

open lake forecast for lake superior
national weather service marquette mi
400 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 hudson bay dives south towards the 
upper great lakes through today, arriving at 30.3 inches. 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 builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz162-302000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt sat may 30 2026 /300 am cdt sat may 30 2026/

.early this morning...northeast winds 15 to 25 knots. waves 2 to
4 feet building to 3 to 5 feet occasionally to 7 feet. 
.today...northeast winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. waves building to 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 300801
glfls 
expires:202605302000;;883361

open lake forecast for lake superior
national weather service marquette mi
400 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 hudson bay dives south towards the 
upper great lakes through today, arriving at 30.3 inches. 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 builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




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-
400 am edt sat may 30 2026

.early this morning...east winds 10 to 20 knots. waves 2 to
4 feet. 
.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 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. 

$$