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(1/2)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/27/2025 5:14 AM America/New_York.
Valid through 11/27/2025 4:00 PM America/New_York.
fzus63 kmqt 271014 cca
glfls
expires:202511272100;;589566
open lake forecast for lake superior...corrected
national weather service marquette mi
514 am est thu nov 27 2025
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 30.6 inch high over the canadian prairies and northern plains this
morning weakens slightly to 30.5 inches as it moves into the
mississippi river valley through friday, causing 30.3 inch ridging
over lake superior from friday through saturday. a 29.7 inch low
over the southern plains saturday morning tracks into lower michigan
by sunday morning, resulting in 30.0 inch troughing over lake
superior. a 30.4 inch high then rebuilds over the great lakes on
monday, bringing 30.3 inch ridging back over lake superior.
lsz162-272100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
514 am est thu nov 27 2025 /414 am cst thu nov 27 2025/
...gale warning in effect until 7 am est /6 am cst/ this
morning...
.early this morning...northwest winds 20 to 30 knots with a few gale
force gusts to 35 knots. waves 5 to 8 feet occasionally to 10 feet.
.today...northwest winds 20 to 30 knots. isolated snow showers.
waves subsiding to 3 to 6 feet occasionally to 8 feet.
.tonight...northwest winds 20 to 30 knots diminishing to 15 to
25 knots by midnight. waves subsiding to 2 to 4 feet.
.friday...northwest winds 10 to 20 knots. a slight chance of snow
showers in the morning. waves subsiding to calm to 2 feet.
.friday night...northwest winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet.
.saturday...north winds 5 to 15 knots. a chance of snow showers.
waves calm to 2 feet.
.saturday night...north winds 10 to 20 knots. a chance of snow.
waves building to 1 to 3 feet.
.sunday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet.
.monday...west winds 10 to 20 knots. waves building to 1 to
3 feet.
$$
(2/2)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/27/2025 5:14 AM America/New_York.
Valid through 11/27/2025 4:00 PM America/New_York.
fzus63 kmqt 271014 cca
glfls
expires:202511272100;;589567
open lake forecast for lake superior...corrected
national weather service marquette mi
514 am est thu nov 27 2025
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 30.6 inch high over the canadian prairies and northern plains this
morning weakens slightly to 30.5 inches as it moves into the
mississippi river valley through friday, causing 30.3 inch ridging
over lake superior from friday through saturday. a 29.7 inch low
over the southern plains saturday morning tracks into lower michigan
by sunday morning, resulting in 30.0 inch troughing over lake
superior. a 30.4 inch high then rebuilds over the great lakes on
monday, bringing 30.3 inch ridging back over lake superior.
lsz263-272100-
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-
514 am est thu nov 27 2025
...gale warning in effect until 1 pm est this afternoon...
.early this morning...northwest gales to 40 knots. isolated snow
showers. waves 9 to 12 feet occasionally to 15 feet subsiding to
8 to 11 feet occasionally to 14 feet.
.today...northwest gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. isolated snow showers. waves subsiding
to 5 to 8 feet occasionally to 10 feet.
.tonight...northwest winds 20 to 30 knots. isolated snow showers.
waves building to 6 to 9 feet occasionally to 11 feet, then
subsiding to 4 to 7 feet occasionally to 9 feet.
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. a slight chance of snow showers in the morning. waves
subsiding to 1 to 3 feet.
.friday night...northwest winds 5 to 15 knots. waves subsiding to
calm to 2 feet.
.saturday...north winds 5 to 15 knots. a chance of snow showers.
waves calm to 2 feet.
.saturday night...north winds 5 to 15 knots increasing to 10 to
20 knots after midnight. a chance of snow. waves building to 2 to
4 feet.
.sunday...northwest winds 15 to 25 knots increasing to 20 to
30 knots. a chance of snow showers. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet.
.monday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet.
$$
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