fzus63 kmqt 021501
glfls 
expires:202601022100;;667723

open lake forecast for lake superior
national weather service marquette mi
1000 am est fri jan 2 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 weakening 29.3 inch low was stalled over the hudson bay this 
morning with a 30.1 inch ridge over the upper midwest. this pattern 
remains fairly stable the rest of today through saturday as another 
strong hudson bay low sets up while ridging averaging 30.1 inches 
remains over the upper mississippi valley. a stronger ridge of 30.2 
inches builds into the great lakes on sunday and moves east sunday 
night through monday as a 29.8 low builds into the upper great 
lakes. a second low around 29.7 inches is expected to impact the 
upper great lakes on tuesday. weak ridging may push back into the 
upper great lakes on wednesday.



lsz162-022100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est fri jan 2 2026 /900 am cst fri jan 2 2026/

.rest of today...west winds 15 to 25 knots. waves 2 to 4 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots late. a slight chance of snow showers after midnight.
waves subsiding to calm to 2 feet. 
.saturday...west winds 5 to 15 knots increasing to 10 to 20 knots
by late morning, then veering northwest by mid afternoon. snow
showers likely in the morning, then a chance of snow showers in
the afternoon. waves calm to 2 feet. 
.saturday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. a slight chance of snow showers in
the evening. waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing southeast in the
afternoon. a chance of snow showers in the afternoon. waves calm
to 2 feet. 
.sunday night...southeast winds 10 to 20 knots becoming south
5 to 15 knots after midnight. snow showers in the evening, then a
chance of snow showers after midnight. waves calm to 2 feet. 
.monday...west winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots increasing to 10 to 20 knots.
a chance of snow showers, possibly mixed with rain. waves calm to
2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 021501
glfls 
expires:202601022100;;667724

open lake forecast for lake superior
national weather service marquette mi
1000 am est fri jan 2 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 weakening 29.3 inch low was stalled over the hudson bay this 
morning with a 30.1 inch ridge over the upper midwest. this pattern 
remains fairly stable the rest of today through saturday as another 
strong hudson bay low sets up while ridging averaging 30.1 inches 
remains over the upper mississippi valley. a stronger ridge of 30.2 
inches builds into the great lakes on sunday and moves east sunday 
night through monday as a 29.8 low builds into the upper great 
lakes. a second low around 29.7 inches is expected to impact the 
upper great lakes on tuesday. weak ridging may push back into the 
upper great lakes on wednesday.



lsz263-022100-
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 fri jan 2 2026

...heavy freezing spray warning in effect until 7 pm est this
evening...

.rest of today...northwest winds 20 to 30 knots. heavy freezing
spray. waves 4 to 8 feet occasionally to 10 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. a slight chance of snow showers after
midnight. waves subsiding to 1 to 3 feet. 
.saturday...northwest winds 5 to 15 knots increasing to 10 to
20 knots. snow showers likely in the morning, then a chance of
snow showers in the afternoon. waves subsiding to calm to 2 feet,
then building to 2 to 4 feet. 
.saturday night...northwest winds 10 to 20 knots. a slight chance
of snow showers. waves subsiding to 1 to 3 feet. 
.sunday...northwest winds 5 to 15 knots backing south in the
afternoon. a slight chance of snow showers in the afternoon.
waves subsiding to calm to 2 feet. 
.sunday night...southeast winds 10 to 20 knots veering south
after midnight. snow showers in the evening, then a chance of
snow showers after midnight. waves building to 1 to 3 feet, then
subsiding to calm to 2 feet. 
.monday...west winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...southwest winds 10 to 20 knots veering west. a chance
of snow showers, possibly mixed with rain. waves building to 1 to
3 feet. 

note, wave height forecasts are for ice free areas.

$$