fzus63 kmqt 191401
glfls 
expires:202606192000;;017274

open lake forecast for lake superior
national weather service marquette mi
1001 am edt fri jun 19 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... 

pressure over lake superior remains at 29.8 inches today. ridging 
over the mid-mississippi valley builds to 30.0 inches tonight into 
saturday, supporting weak 29.9 inches ridging over lake superior by 
saturday afternoon. ridging continues into monday, when it builds to 
30.1 inches and then 30.2 inches by tuesday morning. a weak 30.0 
inch low moves through the great lakes wednesday. 




lsz162-192000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt fri jun 19 2026 /901 am cdt fri jun 19 2026/

.rest of today...southwest winds 5 to 15 knots. a chance of
showers and a slight chance of thunderstorms by mid afternoon.
waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots. a slight chance of rain
showers. waves calm to 2 feet. 
.saturday...west winds 5 to 15 knots backing southwest late. a
slight chance of showers through early afternoon. waves calm to
2 feet. 
.saturday night...west winds 5 to 15 knots becoming northwest
less than 10 knots after midnight. waves calm to 2 feet. 
.sunday...southwest winds less than 10 knots becoming east 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots becoming north less than
10 knots. waves calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. a chance of rain
showers. waves calm to 2 feet. 

$$

fzus63 kmqt 191401
glfls 
expires:202606192000;;017275

open lake forecast for lake superior
national weather service marquette mi
1001 am edt fri jun 19 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... 

pressure over lake superior remains at 29.8 inches today. ridging 
over the mid-mississippi valley builds to 30.0 inches tonight into 
saturday, supporting weak 29.9 inches ridging over lake superior by 
saturday afternoon. ridging continues into monday, when it builds to 
30.1 inches and then 30.2 inches by tuesday morning. a weak 30.0 
inch low moves through the great lakes wednesday. 




lsz263-192000-
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 am edt fri jun 19 2026

.rest of today...west winds 5 to 15 knots becoming southwest
10 to 20 knots in the afternoon. waves calm to 2 feet building to
1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots veering west after
midnight, then diminishing to less than 10 knots late. a slight
chance of rain showers. waves subsiding to calm to 2 feet. 
.saturday...west winds 5 to 15 knots backing southwest late. a
slight chance of rain showers. waves calm to 2 feet. 
.saturday night...west winds less than 10 knots. waves calm to
2 feet. 
.sunday...west winds less than 10 knots becoming northeast 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots backing north after
midnight. waves calm to 2 feet. 
.monday...north winds 5 to 15 knots backing west. waves calm to
2 feet. 
.tuesday...northeast winds less than 10 knots becoming east 5 to
15 knots. waves calm to 2 feet. 

$$