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fzus63 kmqt 301501
glfls 
expires:202601302100;;797421

open lake forecast for lake superior
national weather service marquette mi
1000 am est fri jan 30 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...

high pressure of 30.9 inches sags south today, reaching the central 
plains at 30.8 inches by saturday morning. throughout saturday, a 
29.9 inch low will move from saskatchewan to southern manitoba, 
weakening to a 30.0 inch remnant trough by the time it reaches lake 
superior sunday evening. as the trough further weakens to 30.1 
inches over georgian bay monday, a 30.3 inch high will move over 
northwest ontario. this high builds to 30.4 inches tuesday as it 
settles over the great lakes basin through wednesday.



lsz162-302100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est fri jan 30 2026 /900 am cst fri jan 30 2026/

.rest of today...north winds 10 to 20 knots. a slight chance of
snow showers. waves 2 to 4 feet subsiding to calm to 2 feet. 
.tonight...north winds 10 to 20 knots diminishing to 5 to
15 knots by midnight. waves calm to 2 feet. 
.saturday...west winds 5 to 15 knots backing southwest. waves
calm to 2 feet. 
.saturday night...southwest winds 10 to 20 knots. waves building
to 2 to 4 feet. 
.sunday...southwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. a chance of snow showers in the
morning, then snow showers likely in the afternoon. waves
subsiding to calm to 2 feet. 
.sunday night...northwest winds 10 to 20 knots veering north
after midnight. waves calm to 2 feet. 
.monday...north winds 5 to 15 knots veering east. waves calm to
2 feet. 
.tuesday...east winds 5 to 15 knots veering southeast. waves calm
to 2 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 301501
glfls 
expires:202601302100;;797422

open lake forecast for lake superior
national weather service marquette mi
1000 am est fri jan 30 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...

high pressure of 30.9 inches sags south today, reaching the central 
plains at 30.8 inches by saturday morning. throughout saturday, a 
29.9 inch low will move from saskatchewan to southern manitoba, 
weakening to a 30.0 inch remnant trough by the time it reaches lake 
superior sunday evening. as the trough further weakens to 30.1 
inches over georgian bay monday, a 30.3 inch high will move over 
northwest ontario. this high builds to 30.4 inches tuesday as it 
settles over the great lakes basin through wednesday.



lsz263-302100-
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 30 2026

.rest of today...north winds 10 to 20 knots. a chance of snow
showers. waves 3 to 5 feet occasionally to 7 feet subsiding to
2 to 4 feet. 
.tonight...north winds 10 to 20 knots diminishing to 5 to
15 knots late. a slight chance of snow showers in the evening.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 1 to 3 feet. 
.saturday...north winds 5 to 15 knots backing west by late
morning, then backing southwest by mid afternoon. waves subsiding
to calm to 2 feet. 
.saturday night...southwest winds 10 to 20 knots. waves building
to 2 to 4 feet. 
.sunday...southwest winds 15 to 25 knots. a chance of snow
showers in the morning, then snow showers likely in the
afternoon. waves subsiding to 1 to 3 feet. 
.sunday night...northwest winds 10 to 20 knots veering north
after midnight. a chance of snow showers. waves building to 2 to
4 feet. 
.monday...north winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 

note, wave height forecasts are for ice free areas.

$$
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