fzus63 kmqt 010901
glfls 
expires:202601012100;;597837

open lake forecast for lake superior
national weather service marquette mi
400 am est thu jan 1 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 28.3 inch low continues retrograding over hudson bay 
this morning with a 30.1 inch ridge over the upper midwest. this 
pattern remains fairly stable thursday 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 will build into the great lakes on sunday and move east 
monday as a 29.8 trough builds into the area.



lsz162-012100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est thu jan 1 2026 /300 am cst thu jan 1 2026/

.early this morning...northwest winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet. 
.today...northwest winds 15 to 25 knots backing west. a slight
chance of snow showers. waves subsiding to 3 to 6 feet
occasionally to 8 feet. 
.tonight...west winds 15 to 25 knots. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.friday...west winds 15 to 25 knots. waves subsiding to 2 to
4 feet. 
.friday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots becoming west 10 to
20 knots in the afternoon. a chance of snow showers in the
morning. waves calm to 2 feet. 
.saturday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing southeast. a
chance of snow showers, then snow showers likely. waves calm to
2 feet. 
.monday...west winds 5 to 15 knots backing south. waves calm to
2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 010901
glfls 
expires:202601012100;;597838

open lake forecast for lake superior
national weather service marquette mi
400 am est thu jan 1 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 28.3 inch low continues retrograding over hudson bay 
this morning with a 30.1 inch ridge over the upper midwest. this 
pattern remains fairly stable thursday 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 will build into the great lakes on sunday and move east 
monday as a 29.8 trough builds into the area.



lsz263-012100-
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 est thu jan 1 2026

...heavy freezing spray warning in effect through friday
afternoon...

.early this morning...northwest winds 20 to 30 knots. heavy
freezing spray. a slight chance of snow showers. waves 5 to
8 feet occasionally to 10 feet. 
.today...northwest winds 20 to 30 knots backing west. heavy
freezing spray. a chance of snow showers. waves 5 to 8 feet
occasionally to 10 feet. 
.tonight...northwest winds 20 to 30 knots. a slight chance of
snow showers in the evening. heavy freezing spray. waves building
to 5 to 9 feet occasionally to 11 feet. 
.friday...west winds 20 to 30 knots. freezing spray. waves
subsiding to 4 to 7 feet occasionally to 9 feet. 
.friday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.saturday...northwest winds 10 to 20 knots. a chance of snow
showers. waves subsiding to calm to 2 feet, then building to 1 to
3 feet. 
.saturday night...northwest winds 10 to 20 knots. waves 1 to
3 feet. 
.sunday...northwest winds 5 to 15 knots backing south. a chance
of snow showers. waves subsiding to calm to 2 feet. 
.monday...west winds 5 to 15 knots backing south. waves calm to
2 feet. 

note, wave height forecasts are for ice free areas.

$$