fzus63 kmqt 140801
glfls 
expires:202606142000;;719146

open lake forecast for lake superior
national weather service marquette mi
400 am edt sun jun 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... 

a 29.8 inch trough will move through the lake this afternoon and 
evening. weak ridging of 29.7 inches follows into monday, but a 29.6 
inch trough moves through the lake late monday into tuesday. this 
trough will deepen into a 29.5 inch low over northeast wisconsin 
tuesday. this low will then slowly move east-northeast into ontario 
through wednesday morning. a low of 29.4 inches moves then through 
the great lakes region wednesday night and thursday. 




lsz162-142000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt sun jun 14 2026 /300 am cdt sun jun 14 2026/

.early this morning...west winds 15 to 25 knots. a slight chance
of showers. waves calm to 2 feet. 
.today...west winds 15 to 25 knots. waves building to 1 to
3 feet. 
.tonight...west winds 10 to 20 knots increasing to 15 to 25 knots
late. waves subsiding to calm to 2 feet, then building to 1 to
3 feet. 
.monday...southwest winds 15 to 25 knots becoming west 10 to
20 knots late. a chance of showers and a slight chance of
thunderstorms by mid afternoon. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 1 to 3 feet. 
.monday night...southwest winds 5 to 15 knots veering north after
midnight. a slight chance of thunderstorms through midnight. a
slight chance of rain showers. waves subsiding to calm to 2 feet.
.tuesday...north winds 5 to 15 knots veering south by mid
afternoon. waves calm to 2 feet. 
.tuesday night...southwest winds less than 10 knots. waves calm
to 2 feet. 
.wednesday...east winds 5 to 15 knots backing northeast. a chance
of rain showers. waves calm to 2 feet. 
.thursday...west winds 5 to 15 knots increasing to 10 to
20 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 140801
glfls 
expires:202606142000;;719147

open lake forecast for lake superior
national weather service marquette mi
400 am edt sun jun 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... 

a 29.8 inch trough will move through the lake this afternoon and 
evening. weak ridging of 29.7 inches follows into monday, but a 29.6 
inch trough moves through the lake late monday into tuesday. this 
trough will deepen into a 29.5 inch low over northeast wisconsin 
tuesday. this low will then slowly move east-northeast into ontario 
through wednesday morning. a low of 29.4 inches moves then through 
the great lakes region wednesday night and thursday. 




lsz263-142000-
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-
400 am edt sun jun 14 2026

.early this morning...west winds 15 to 25 knots. a slight chance
of showers. waves 2 to 4 feet. 
.today...west winds 15 to 25 knots diminishing to 10 to 20 knots
in the afternoon, then backing southwest late. waves subsiding to
1 to 3 feet. 
.tonight...west winds 10 to 20 knots increasing to 15 to 25 knots
late. waves building to 3 to 5 feet occasionally to 7 feet. 
.monday...west winds 15 to 25 knots backing southwest in the
afternoon, then veering west late. a slight chance of showers and
thunderstorms by mid afternoon. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.monday night...west winds 5 to 15 knots veering north after
midnight. a slight chance of rain showers through midnight. waves
subsiding to calm to 2 feet. 
.tuesday...north winds 5 to 15 knots backing southwest by mid
afternoon. waves calm to 2 feet. 
.tuesday night...southwest winds 5 to 15 knots diminishing to
less than 10 knots after midnight. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots. a chance of rain showers.
waves calm to 2 feet. 
.thursday...west winds 5 to 15 knots. waves calm to 2 feet. 

$$