fzus63 kmqt 051501
glfls 
expires:202611052100;;307915

open lake forecast for lake superior
national weather service marquette mi
1001 am est thu nov 5 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 29.5 inch trough near the soo this morning moves east into quebec 
and southeast ontario today. high pressure of 30.2 inches builds in 
from the northwest tonight through friday, weakening to 30.1 inches 
on saturday as it shifts southeast ahead of a 29.5 inch clipper low 
crossing hudson bay on sunday.




lsz162-052100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am est thu nov 5 2026 /901 am cst thu nov 5 2026/

.rest of today...north winds 20 to 30 knots. waves 6 to 9 feet
occasionally to 11 feet subsiding to 3 to 6 feet occasionally to
8 feet. 
.tonight...north winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. waves subsiding to 2 to 4 feet. 
.friday...north winds 5 to 15 knots becoming south less than
10 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.friday night...southwest winds less than 10 knots increasing to
5 to 15 knots after midnight. waves calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots. waves building to
1 to 3 feet. 
.saturday night...southwest winds 15 to 25 knots veering west
after midnight. waves building to 3 to 5 feet occasionally to
7 feet. 
.sunday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
waves subsiding to calm to 2 feet. 
.monday...southwest winds 15 to 25 knots veering west. waves
building to 2 to 4 feet. 

$$