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Latest Great Lakes Marine Forecast by KMQT
Issued 2/9/2026 4:01 PM America/New_York.
Valid through 2/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092101
glfls
expires:202602100900;;364581
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon feb 9 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...
lake superior is currently between a 30.5 inch high over the lower
great lakes and a 29.7 inch low over lake winnipeg. today through
tuesday afternoon, this low will slowly push just north of lake
superior, dragging a 29.8 inch trough over the lake as it
progresses. as the low shifts to the ontario/quebec line tuesday
night, high pressure of 30.3 inches builds over the northern plains.
this high gradually settles over the great lakes by thursday
morning, building to 30.4 inches. friday, the high moves to the
southern portion of the great lakes while a 29.9 inch low moves
across northern ontario. this weekend, high pressure resumes over
the great lakes as a whole before another clipper low pressure moves
across manitoba and ontario while a colorado low develops.
lsz162-100900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est mon feb 9 2026 /300 pm cst mon feb 9 2026/
.late this afternoon...southwest winds 10 to 20 knots. waves calm
to 2 feet.
.tonight...southwest winds 10 to 20 knots veering west by
midnight. a slight chance of rain and snow showers in the
evening. waves calm to 2 feet.
.tuesday...west winds 15 to 25 knots increasing to 20 to 30 knots
by late morning, then veering northwest by mid afternoon. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet.
.tuesday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots late. waves calm to 2 feet.
.wednesday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet.
.wednesday night...northwest winds less than 10 knots veering
north after midnight. waves calm to 2 feet.
.thursday...east winds less than 10 knots becoming south 5 to
15 knots in the afternoon. waves calm to 2 feet.
.thursday night...southwest winds 5 to 15 knots. waves calm to
2 feet.
.friday...southwest winds 5 to 15 knots. waves calm to 2 feet.
.saturday...southwest winds 5 to 15 knots. waves calm to 2 feet.
note, wave height forecasts are for ice free areas.
$$
(2/2)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/9/2026 4:01 PM America/New_York.
Valid through 2/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092101
glfls
expires:202602100900;;364582
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon feb 9 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...
lake superior is currently between a 30.5 inch high over the lower
great lakes and a 29.7 inch low over lake winnipeg. today through
tuesday afternoon, this low will slowly push just north of lake
superior, dragging a 29.8 inch trough over the lake as it
progresses. as the low shifts to the ontario/quebec line tuesday
night, high pressure of 30.3 inches builds over the northern plains.
this high gradually settles over the great lakes by thursday
morning, building to 30.4 inches. friday, the high moves to the
southern portion of the great lakes while a 29.9 inch low moves
across northern ontario. this weekend, high pressure resumes over
the great lakes as a whole before another clipper low pressure moves
across manitoba and ontario while a colorado low develops.
lsz263-100900-
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 mon feb 9 2026
.late this afternoon...southwest winds 10 to 20 knots. waves 1 to
3 feet.
.tonight...southwest winds 5 to 15 knots becoming west 10 to
20 knots late. a chance of snow showers. waves subsiding to calm
to 2 feet, then building to 1 to 3 feet.
.tuesday...west winds 15 to 25 knots increasing to 20 to 30 knots
by late morning, then veering northwest by mid afternoon. a
chance of snow showers. waves building to 3 to 6 feet
occasionally to 8 feet.
.tuesday night...northwest winds 15 to 25 knots. a slight chance
of snow showers in the evening. waves subsiding to 2 to 4 feet.
.wednesday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. waves subsiding to calm to 2 feet.
.wednesday night...northwest winds 5 to 15 knots diminishing to
less than 10 knots after midnight. waves calm to 2 feet.
.thursday...south winds less than 10 knots. waves calm to 2 feet.
.thursday night...southwest winds 5 to 15 knots. waves calm to
2 feet.
.friday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves calm to 2 feet.
.saturday...southwest winds 5 to 15 knots. waves calm to 2 feet.
note, wave height forecasts are for ice free areas.
$$
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