fzus63 kmqt 141501
glfls 
expires:202611142100;;812157

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat nov 14 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...

high pressure extending from southern ontario into the mississippi 
river valley builds from 30.3 inches to 30.4 inches into tomorrow as 
it marches slowly east, becoming centered over illinois by late 
sunday. this sends ridging at 30.3 inches over lake superior through 
the weekend. ridging continues to build to 30.6 inches, shifting 
southeast and reaching west virginia by late tuesday. pressure falls 
slightly over lake superior, decreasing to 30.1 inches along the 
northwestern shorline of lake superior, and remaining at 30.3 inches 
near whitefish bay, by late monday. the high lingers over the mid-
atlantic at 30.4 inches into wednesday as pressure continues to fall 
slowly over lake superior, reaching 29.9 inches in the west and 30.2 
inches in the east by wednesday afternoon. pressure over lake 
superior then falls abruptly as a colorado low approaches northern 
minnesota late wednesday, sending pressure falls to 29.8 inches over 
the lake by midday thursday. the low transits quickly northeast, and 
pressure begins to increase over lake supeior by early friday. 




lsz162-142100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est sat nov 14 2026 /900 am cst sat nov 14 2026/

.rest of today...northwest winds 5 to 15 knots veering north by
late morning, then becoming west less than 10 knots by mid
afternoon. waves calm to 2 feet. 
.tonight...west winds less than 10 knots increasing to 5 to
15 knots late. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...southwest winds 15 to 25 knots. waves building to
3 to 6 feet occasionally to 8 feet. 
.monday...southwest winds 20 to 30 knots. waves building to 4 to
7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.monday night...southwest winds 20 to 30 knots. waves 3 to 6 feet
occasionally to 8 feet. 
.tuesday...southwest winds 15 to 25 knots. waves subsiding to
1 to 3 feet, then building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 25 knots becoming south 5 to
15 knots. a chance of showers. waves subsiding to calm to 2 feet.

$$

fzus63 kmqt 141501
glfls 
expires:202611142100;;812158

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat nov 14 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...

high pressure extending from southern ontario into the mississippi 
river valley builds from 30.3 inches to 30.4 inches into tomorrow as 
it marches slowly east, becoming centered over illinois by late 
sunday. this sends ridging at 30.3 inches over lake superior through 
the weekend. ridging continues to build to 30.6 inches, shifting 
southeast and reaching west virginia by late tuesday. pressure falls 
slightly over lake superior, decreasing to 30.1 inches along the 
northwestern shorline of lake superior, and remaining at 30.3 inches 
near whitefish bay, by late monday. the high lingers over the mid-
atlantic at 30.4 inches into wednesday as pressure continues to fall 
slowly over lake superior, reaching 29.9 inches in the west and 30.2 
inches in the east by wednesday afternoon. pressure over lake 
superior then falls abruptly as a colorado low approaches northern 
minnesota late wednesday, sending pressure falls to 29.8 inches over 
the lake by midday thursday. the low transits quickly northeast, and 
pressure begins to increase over lake supeior by early friday. 




lsz263-142100-
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-
1000 am est sat nov 14 2026

.rest of today...north winds 5 to 15 knots becoming northwest
less than 10 knots by mid afternoon. waves calm to 2 feet. 
.tonight...northwest winds less than 10 knots backing west late.
waves calm to 2 feet. 
.sunday...west winds 5 to 15 knots backing southwest by late
morning, then increasing to 10 to 20 knots by mid afternoon.
waves building to 1 to 3 feet. 
.sunday night...southwest winds 15 to 25 knots increasing to
20 to 30 knots after midnight. waves building to 4 to 7 feet
occasionally to 9 feet. 
.monday...southwest gales to 35 knots. waves building to 4 to
8 feet occasionally to 10 feet. 
.monday night...southwest winds 20 to 30 knots. waves 4 to 7 feet
occasionally to 9 feet. 
.tuesday...southwest winds 20 to 30 knots diminishing to 15 to
25 knots. waves subsiding to 2 to 4 feet, then building to 3 to
5 feet occasionally to 7 feet. 
.wednesday...southwest winds 15 to 25 knots becoming south 5 to
15 knots. waves subsiding to 1 to 3 feet. 

$$