fzus63 kmqt 062101
glfls 
expires:202602070900;;199482

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri feb 6 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 inch troughing exits the eastern lake this afternoon, allowing a 
30.5 inch high to move over the lake from the northwest through 
saturday. the high shifts east through sunday in advance of a 
clipper low arriving over far western lake superior at 29.8 inches 
by monday morning, weakening to 30.0 inches on tuesday.



lsz162-070900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est fri feb 6 2026 /300 pm cst fri feb 6 2026/

.late this afternoon...north winds 10 to 20 knots. waves calm to
2 feet. 
.tonight...north winds 10 to 20 knots diminishing to 5 to
15 knots late. waves calm to 2 feet. 
.saturday...southwest winds less than 10 knots becoming south
5 to 15 knots by late morning, then backing southeast by mid
afternoon. a slight chance of snow showers in the afternoon.
waves calm to 2 feet. 
.saturday night...southeast winds 10 to 20 knots diminishing to
5 to 15 knots late. a chance of snow. waves calm to 2 feet. 
.sunday...southeast winds 5 to 15 knots veering south in the
afternoon. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. waves calm to 2 feet. 
.monday...southwest winds 5 to 15 knots veering west in the
afternoon. waves calm to 2 feet. 
.monday night...northwest winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots becoming northwest 10 to
20 knots. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots. waves calm to 2 feet.

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 062101
glfls 
expires:202602070900;;199483

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri feb 6 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 inch troughing exits the eastern lake this afternoon, allowing a 
30.5 inch high to move over the lake from the northwest through 
saturday. the high shifts east through sunday in advance of a 
clipper low arriving over far western lake superior at 29.8 inches 
by monday morning, weakening to 30.0 inches on tuesday.



lsz263-070900-
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 pm est fri feb 6 2026

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

.late this afternoon...north winds 15 to 25 knots. waves 2 to
4 feet. 
.tonight...north winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. waves subsiding to calm to 2 feet. 
.saturday...north winds 5 to 15 knots becoming southeast less
than 10 knots by late morning, then increasing to 5 to 15 knots
by mid afternoon. waves calm to 2 feet. 
.saturday night...southeast winds 5 to 15 knots veering south
late. snow likely in the evening, then a chance of snow after
midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots. waves calm to 2 feet. 
.monday...southwest winds 5 to 15 knots veering west in the
afternoon. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots. waves building to 1 to
3 feet. 
.wednesday...north winds 5 to 15 knots backing northwest. waves
subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$