fzus63 kmqt 160901
glfls 
expires:202511162100;;497621

open lake forecast for lake superior
national weather service marquette mi
401 am est sun nov 16 2025

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...

lake superior this morning is between a 29.1 inch low over new 
england and a 30.1 inch high pressure over the dakotas. throughout 
today, the low will deepen to 28.9 inches over the maritime 
provinces while 30.0 inch ridging remains over the upper mississippi 
valley. the low lifts northeast tuesday as the high builds to 30.2 
inches over the great lakes by monday evening. the high remains 
largely stationary, only shifting slightly to the east by wednesday 
evening. thursday, a 29.6 inch low develops over the central plains 
while the 30.2 inch high shifts over new england. friday, this low 
ejects towards the great lakes at around 29.6 inches.



lsz162-162100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 am est sun nov 16 2025 /301 am cst sun nov 16 2025/

.early this morning...northwest winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet. 
.today...northwest winds 15 to 25 knots. waves subsiding to 2 to
4 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots late. waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to calm to 2 feet. 
.monday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.monday night...northeast winds 5 to 15 knots veering east after
midnight. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots. 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 5 to 15 knots. waves calm to 2 feet.
.thursday...southwest winds 5 to 15 knots becoming northwest
10 to 20 knots. a chance of rain showers. waves calm to 2 feet. 

$$

fzus63 kmqt 160901
glfls 
expires:202511162100;;497622

open lake forecast for lake superior
national weather service marquette mi
401 am est sun nov 16 2025

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...

lake superior this morning is between a 29.1 inch low over new 
england and a 30.1 inch high pressure over the dakotas. throughout 
today, the low will deepen to 28.9 inches over the maritime 
provinces while 30.0 inch ridging remains over the upper mississippi 
valley. the low lifts northeast tuesday as the high builds to 30.2 
inches over the great lakes by monday evening. the high remains 
largely stationary, only shifting slightly to the east by wednesday 
evening. thursday, a 29.6 inch low develops over the central plains 
while the 30.2 inch high shifts over new england. friday, this low 
ejects towards the great lakes at around 29.6 inches.



lsz263-162100-
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-
401 am est sun nov 16 2025

.early this morning...northwest winds 20 to 30 knots. waves 4 to
8 feet occasionally to 10 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.tonight...northwest winds 15 to 25 knots veering north by
midnight, then becoming northwest 10 to 20 knots late. waves
subsiding to 2 to 4 feet. 
.monday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.monday night...north winds 5 to 15 knots veering east after
midnight. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots diminishing to less than
10 knots in the afternoon. waves calm to 2 feet. 
.tuesday night...south winds less than 10 knots becoming
southwest 5 to 15 knots after midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. waves calm to 2 feet.
.thursday...southwest winds 5 to 15 knots becoming northwest
10 to 20 knots. a chance of rain showers. waves building to 1 to
3 feet. 

$$