fzus63 kmqt 300201
glfls 
expires:202605300800;;869462

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt fri may 29 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 saturday, arriving at 30.3 inches. the 
high remains over the area into sunday while progressively weakening 
with time, eventually becoming around 30.0 inches by late sunday 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. 




lsz263-300800-
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 fri may 29 2026

.rest of tonight...east winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves calm to 2 feet building to 2 to
4 feet. 
.saturday...east winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon, then becoming northeast 20 to 30 knots
late. waves building to 3 to 6 feet occasionally to 8 feet. 
.saturday night...east winds 15 to 25 knots diminishing to 5 to
15 knots after midnight, then veering south late. waves subsiding
to calm to 2 feet. 
.sunday...southwest winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.sunday night...southwest winds less than 10 knots becoming
northeast 5 to 15 knots after midnight. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots. waves building to 1 to
3 feet. 
.monday night...east winds 5 to 15 knots. 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. a chance of showers.
waves calm to 2 feet. 

$$

fzus63 kmqt 300201
glfls 
expires:202605300800;;869461

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt fri may 29 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 saturday, arriving at 30.3 inches. the 
high remains over the area into sunday while progressively weakening 
with time, eventually becoming around 30.0 inches by late sunday 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. 




lsz162-300800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 pm edt fri may 29 2026 /901 pm cdt fri may 29 2026/

.rest of tonight...east winds 15 to 25 knots becoming northeast
20 to 30 knots after midnight, then increasing to 30 knots with a
few gale force gusts to 35 knots possible late. waves calm to
2 feet building to 3 to 6 feet occasionally to 8 feet. 
.saturday...northeast winds 20 to 30 knots. waves building to
4 to 7 feet occasionally to 9 feet. 
.saturday night...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. waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots backing northeast
after midnight. waves calm to 2 feet. 
.monday...northeast winds 10 to 20 knots. waves building to 1 to
3 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...southwest winds 5 to 15 knots. a chance of showers
and thunderstorms. waves calm to 2 feet. 

$$