fzus63 kmqt 161401
glfls 
expires:202607162000;;065904

open lake forecast for lake superior
national weather service marquette mi
1000 am edt thu jul 16 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... 

30.1 inch ridging persists over lake superior into friday while 
gradually shifting east towards the st. lawrence seaway. low 
pressure passing through the northern plains looks to traverse the 
the lake at around 29.7 inches friday evening into saturday morning. 
following the low, weak 29.9 to 30.0 inch ridging returns to lake 
superior late saturday and remains through sunday. afterwards, a 
29.5 inch low pressure diving southeast over northern ontario looks 
to bring 29.6 inch troughing over lake superior on monday.




lsz162-162000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am edt thu jul 16 2026 /900 am cdt thu jul 16 2026/

...dense smoke advisory in effect until 8 am edt /7 am cdt/
friday...

.rest of today...north winds 5 to 15 knots veering northeast in
the afternoon, then increasing to 10 to 20 knots late. smoke.
waves calm to 2 feet. 
.tonight...northeast winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. smoke. a slight chance of showers and
thunderstorms after midnight. waves calm to 2 feet. 
.friday...northeast winds 5 to 15 knots increasing to 10 to
20 knots late. areas of smoke. a chance of showers and
thunderstorms. waves calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots backing northwest
after midnight. areas of smoke through midnight. showers likely
and a chance of thunderstorms through midnight, then a chance of
showers after midnight. waves calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots. waves calm to 2 feet.
.sunday...southwest winds 5 to 15 knots veering west. a chance of
thunderstorms. waves calm to 2 feet. 
.monday...north winds 15 to 25 knots. a chance of thunderstorms.
a chance of showers. waves building to 1 to 3 feet, then
subsiding to calm to 2 feet. 

$$

fzus63 kmqt 161401
glfls 
expires:202607162000;;065905

open lake forecast for lake superior
national weather service marquette mi
1000 am edt thu jul 16 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... 

30.1 inch ridging persists over lake superior into friday while 
gradually shifting east towards the st. lawrence seaway. low 
pressure passing through the northern plains looks to traverse the 
the lake at around 29.7 inches friday evening into saturday morning. 
following the low, weak 29.9 to 30.0 inch ridging returns to lake 
superior late saturday and remains through sunday. afterwards, a 
29.5 inch low pressure diving southeast over northern ontario looks 
to bring 29.6 inch troughing over lake superior on monday.




lsz263-162000-
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 edt thu jul 16 2026

...dense smoke advisory in effect until 8 am edt friday...

.rest of today...northwest winds less than 10 knots becoming
northeast 5 to 15 knots in the afternoon. smoke. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots. patchy smoke. a chance of
showers and a slight chance of thunderstorms after midnight.
waves calm to 2 feet. 
.friday...southeast winds 5 to 15 knots backing east in the
afternoon. smoke. a chance of showers and thunderstorms. waves
calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots backing northwest
after midnight. areas of smoke through midnight. showers likely
through midnight. a chance of thunderstorms. a slight chance of
showers after midnight. waves calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots backing southwest
after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. a chance of showers and thunderstorms. waves building
to 1 to 3 feet. 
.monday...north winds 15 to 25 knots. a chance of showers. waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 

$$