fzus63 kmqt 031501
glfls 
expires:202601032100;;720860

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat jan 3 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 29.0 inch low retrogrades over far northern quebec today as a 30.1 
inch ridge extends over the upper midwest. ridging builds to 30.2 
inches over the upper great lakes late tonight before moving into 
the rest of the great lakes sunday. the ridging continues east into 
the atlantic sunday night and monday as a 29.8 low tracks into the 
upper great lakes. a second low around 29.7 inches is expected to 
impact the upper great lakes tuesday into tuesday night. weak 
ridging around 29.9 inches recovers over the upper great lakes 
wednesday into thursday.



lsz162-032100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est sat jan 3 2026 /900 am cst sat jan 3 2026/

.rest of today...northwest winds 10 to 20 knots. a chance of snow
showers. waves calm to 2 feet building to 1 to 3 feet. 
.tonight...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 south by late
morning, then backing southeast by mid 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. waves calm to
2 feet. 
.tuesday...west winds 5 to 15 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 031501
glfls 
expires:202601032100;;720861

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat jan 3 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 29.0 inch low retrogrades over far northern quebec today as a 30.1 
inch ridge extends over the upper midwest. ridging builds to 30.2 
inches over the upper great lakes late tonight before moving into 
the rest of the great lakes sunday. the ridging continues east into 
the atlantic sunday night and monday as a 29.8 low tracks into the 
upper great lakes. a second low around 29.7 inches is expected to 
impact the upper great lakes tuesday into tuesday night. weak 
ridging around 29.9 inches recovers over the upper great lakes 
wednesday into thursday.



lsz263-032100-
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 sat jan 3 2026

.rest of today...northwest winds 10 to 20 knots. snow showers
late in the morning, then a slight chance of snow showers in the
afternoon. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots late. waves subsiding to calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing southwest by late
morning, then backing southeast by mid afternoon. a slight chance
of snow showers in the afternoon. waves 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 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 5 to 15 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.

$$