fzus63 kmqt 030301
glfls 
expires:202601030900;;694853

open lake forecast for lake superior
national weather service marquette mi
1000 pm 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 29.4 inch low is stalled over hudson bay this evening 
with a 30.1 inch ridge extending over the upper midwest. this 
pattern remains fairly stable through saturday as another strong 
hudson bay low sets up at 29.0 inches 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 around 29.9 inches 
may push back into the upper great lakes on wednesday.



lsz162-030900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est fri jan 2 2026 /900 pm cst fri jan 2 2026/

.rest of tonight...northwest winds 10 to 20 knots. snow showers
likely after midnight. waves 2 to 4 feet subsiding to calm to
2 feet. 
.saturday...northwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. snow showers in the morning, then a
chance of snow showers in the afternoon. waves building to 1 to
3 feet. 
.saturday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots by midnight. waves subsiding to 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...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...southwest winds 5 to 15 knots veering west after
midnight. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots increasing to 10 to 20 knots.
waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. waves calm to 2 feet.

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 030301
glfls 
expires:202601030900;;694854

open lake forecast for lake superior
national weather service marquette mi
1000 pm 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 29.4 inch low is stalled over hudson bay this evening 
with a 30.1 inch ridge extending over the upper midwest. this 
pattern remains fairly stable through saturday as another strong 
hudson bay low sets up at 29.0 inches 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 around 29.9 inches 
may push back into the upper great lakes on wednesday.



lsz263-030900-
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 pm est fri jan 2 2026

.rest of tonight...northwest winds 15 to 25 knots diminishing to
10 to 20 knots by midnight. a chance of snow showers after
midnight. waves 3 to 6 feet occasionally to 8 feet subsiding to
2 to 4 feet. 
.saturday...northwest winds 10 to 20 knots. snow showers. waves
subsiding to 1 to 3 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 southeast in the
afternoon. a slight chance of snow showers in the afternoon.
waves subsiding to calm to 2 feet. 
.sunday night...southeast winds 5 to 15 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...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.tuesday...west winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. waves calm to 2 feet.

note, wave height forecasts are for ice free areas.

$$