fzus63 kmqt 160313 cca
glfls 
expires:202511160900;;484149

open lake forecast for lake superior...corrected
national weather service marquette mi
1013 pm est sat nov 15 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...

a 29.1 inch low over the eastern great lakes this evening continues 
into new england by sunday morning, eventually further deepening to 
28.9 inches over the canadian maritimes sunday night into monday. 
troughing gradually weakens to 29.9 inches over lake superior 
through sunday night as this occurs. meanwhile, 30.1 inch high 
pressure extending from saskatchewan to the dakotas this weekend 
builds to 30.3 inches as it shifts east to the great lakes by 
tuesday night. high pressure persists at around 30.2 inches over the 
lake through late next week as the high shifts east to new england 
by wednesday night. a 29.7 inch low over the southern plains 
thursday lifts into the great lakes region at around 29.6 inches by 
friday.



lsz162-160900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1013 pm est sat nov 15 2025 /913 pm cst sat nov 15 2025/

.rest of tonight...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 20 to 30 knots by
midnight. waves 4 to 7 feet occasionally to 9 feet subsiding to
3 to 6 feet occasionally to 8 feet. 
.sunday...northwest winds 20 to 30 knots. waves subsiding to 2 to
4 feet. 
.sunday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots late. waves subsiding to calm to 2 feet. 
.monday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...northeast winds 5 to 15 knots. 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 southeast after
midnight. waves calm to 2 feet. 
.wednesday...south winds 5 to 15 knots veering southwest. waves
calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots becoming north 10 to
20 knots. a chance of rain showers. waves calm to 2 feet. 

$$

fzus63 kmqt 160313 cca
glfls 
expires:202511160900;;484150

open lake forecast for lake superior...corrected
national weather service marquette mi
1013 pm est sat nov 15 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...

a 29.1 inch low over the eastern great lakes this evening continues 
into new england by sunday morning, eventually further deepening to 
28.9 inches over the canadian maritimes sunday night into monday. 
troughing gradually weakens to 29.9 inches over lake superior 
through sunday night as this occurs. meanwhile, 30.1 inch high 
pressure extending from saskatchewan to the dakotas this weekend 
builds to 30.3 inches as it shifts east to the great lakes by 
tuesday night. high pressure persists at around 30.2 inches over the 
lake through late next week as the high shifts east to new england 
by wednesday night. a 29.7 inch low over the southern plains 
thursday lifts into the great lakes region at around 29.6 inches by 
friday.



lsz263-160900-
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-
1013 pm est sat nov 15 2025

.rest of tonight...northwest winds 20 to 30 knots. waves 5 to
9 feet occasionally to 11 feet. 
.sunday...northwest winds 15 to 25 knots. waves subsiding to 3 to
6 feet occasionally to 8 feet. 
.sunday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots by midnight. waves subsiding to 2 to 4 feet. 
.monday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. waves subsiding to calm to 2 feet. 
.monday night...north winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday night...east winds less than 10 knots veering south
after midnight. waves calm to 2 feet. 
.wednesday...south winds 5 to 15 knots veering southwest. waves
calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots veering north. a chance
of rain showers. waves calm to 2 feet. 

$$