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(1/10)
Latest Great Lakes Marine Forecast by KDTX
Issued 11/9/2026 3:58 PM America/New_York.
Valid through 11/10/2026 12:00 AM America/New_York.
fzus63 kdtx 092058
glflh
expires:202611100500;;547687
open lake forecast for lake huron
national weather service detroit/pontiac mi
358 pm est mon nov 9 2026
for waters beyond five nautical miles off shore on lake huron
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...the pattern has shifted as high pressure briefly
builds in today. troughing returns tuesday as the next clipper
brushes the northern shores of lake superior, with its attendant
cold front passing through. note that the frontal passage is
expected to be mainly dry. high pressure then returns tuesday
night into wednesday, followed by deepening surface low pressure
over the ohio valley into thursday.
lhz363-462-100500-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
358 pm est mon nov 9 2026
.tonight...southwest winds 5 to 10 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 4 to 6 feet. waves
occasionally around 8 feet.
.tuesday...west winds 15 to 20 knots becoming northwest 10 to
15 knots in the afternoon. waves 4 to 6 feet. waves occasionally
around 8 feet.
.tuesday night...northwest winds 10 to 15 knots decreasing to
5 to 10 knots after midnight. waves 3 to 5 feet subsiding to 1 to
3 feet after midnight.
.wednesday...west winds 5 to 10 knots backing to the south early
in the afternoon. a chance of rain in the afternoon. waves 2 feet
or less.
.wednesday night...northeast winds 5 to 10 knots increasing to
15 to 20 knots. rain likely in the evening...then rain after
midnight. waves 1 to 3 feet building to 4 to 6 feet after
midnight. waves occasionally around 8 feet.
.thursday...northeast winds 20 to 25 knots increasing to 30 knots
with gusts to 35 knot gales late in the morning...then becoming
north 20 to 25 knots with gusts to around 30 knots late in the
evening. rain in the morning...then a chance of rain late in the
morning. rain and snow likely late in the afternoon. waves 8 to
12 feet. waves occasionally around 15 feet.
.friday...north winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots by midnight. rain and snow
likely...then a chance of rain and snow by midnight. waves 6 to
9 feet. waves occasionally around 12 feet.
.saturday...north winds 15 to 20 knots becoming northwest 10 to
15 knots by midnight. a chance of rain until afternoon. waves
4 to 6 feet.
$$
(2/10)
Latest Great Lakes Marine Forecast by KDTX
Issued 11/9/2026 3:58 PM America/New_York.
Valid through 11/10/2026 12:00 AM America/New_York.
fzus63 kdtx 092058
glflh
expires:202611100500;;547686
open lake forecast for lake huron
national weather service detroit/pontiac mi
358 pm est mon nov 9 2026
for waters beyond five nautical miles off shore on lake huron
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...the pattern has shifted as high pressure briefly
builds in today. troughing returns tuesday as the next clipper
brushes the northern shores of lake superior, with its attendant
cold front passing through. note that the frontal passage is
expected to be mainly dry. high pressure then returns tuesday
night into wednesday, followed by deepening surface low pressure
over the ohio valley into thursday.
lhz361-362-100500-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
358 pm est mon nov 9 2026
.tonight...southwest winds 5 to 10 knots becoming west 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet after
midnight.
.tuesday...west winds 15 to 20 knots becoming northwest 20 to
25 knots in the late morning and early afternoon...then
decreasing to 15 to 20 knots late in the afternoon. gusts to
35 knot gales. waves 6 to 9 feet. waves occasionally around
12 feet.
.tuesday night...northwest winds 10 to 15 knots decreasing to
5 to 10 knots in the late evening and overnight. waves 3 to
5 feet subsiding to 1 to 3 feet after midnight.
.wednesday...light and variable winds becoming west 5 to 10 knots
early in the afternoon. a chance of rain. waves 2 feet or less.
.wednesday night...north winds 5 to 10 knots becoming northeast
15 to 20 knots. a chance of rain. waves 2 feet or less building
to 3 to 5 feet in the late evening and overnight.
.thursday...northeast winds 15 to 20 knots. gusts to 30 knots
late in the morning. a chance of rain in the morning. a chance of
rain late in the afternoon. waves 5 to 7 feet. waves occasionally
around 10 feet.
.friday...north winds 15 to 20 knots. a chance of rain. waves
4 to 6 feet. waves occasionally around 8 feet.
.saturday...north winds 15 to 20 knots decreasing to 10 to
15 knots. waves 3 to 5 feet.
$$
(3/10)
Latest Great Lakes Marine Forecast by KMKX
Issued 11/9/2026 2:13 PM US/Central.
Valid through 11/9/2026 10:15 PM US/Central.
fzus63 kmkx 092013
glflm
expires:202611100415;;546671
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
213 pm cst mon nov 9 2026
for waters beyond five nautical miles of shore on lake michigan.
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.
.synopsis...
low pressure around 29.6 inches in eastern ontario will continue
to move east through tonight, bringing southwesterly winds through
this evening before winds shift to northwesterly behind a cold
front late tonight. briefly gusty conditions are expected behind
this front. winds diminish through tuesday as high pressure around
30.1 inches builds into the region. light and variable winds are
expected through wednesday morning before becoming northeasterly
wednesday afternoon as low pressure deepens to 29.6 inches in
illinois/indiana.
winds increase and become northerly through wednesday night into
thursday, with gales likely thursday through thursday night as low
pressure moves into the mid-atlantic and continues to deepen to
29.4 inches. winds gradually turn northwesterly and diminish
friday through friday night as low pressure exits into the
atlantic ocean. also wednesday night through friday, a band of
lake effect rain/snow showers will develop. locally lowered
visibilities are expected throughout this timeframe.
lmz080-669-671-673-675-777-779-870-872-874-876-878-100415-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
213 pm cst mon nov 9 2026
sheboygan wi to pentwater mi south...
.tonight...southwest winds 15 to 25 kt veering to northwest 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft.
.tuesday...northwest winds 10 to 20 kt becoming west 10 to 15 kt.
waves 3 to 5 ft subsiding to 2 to 4 ft.
.tuesday night...west winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 3 ft subsiding to 1 to 2 ft.
.wednesday...west winds 5 to 10 kt veering to northeast 10 to
20 kt in the afternoon. chance of rain in the afternoon. waves
1 ft or less building to 2 to 4 ft.
.wednesday night...north winds 15 to 25 kt increasing to gales to
35 kt overnight. rain likely. waves 4 to 7 ft occasionally to
9 ft building to 8 to 11 ft occasionally to 14 ft.
.thursday...north gales to 40 kt. rain. waves 12 to 16 ft
occasionally to 21 ft.
.thursday night...north gales to 40 kt diminishing to 30 kt. rain
likely. waves 12 to 16 ft occasionally to 21 ft.
.friday...north winds to 30 kt increasing to gales to 35 kt. rain
likely. waves 8 to 12 ft occasionally to 16 ft.
.saturday...north winds 10 to 20 kt becoming northwest. waves
4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft.
$$
(4/10)
Latest Great Lakes Marine Forecast by KMKX
Issued 11/9/2026 2:13 PM US/Central.
Valid through 11/9/2026 10:15 PM US/Central.
fzus63 kmkx 092013
glflm
expires:202611100415;;546670
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
213 pm cst mon nov 9 2026
for waters beyond five nautical miles of shore on lake michigan.
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.
.synopsis...
low pressure around 29.6 inches in eastern ontario will continue
to move east through tonight, bringing southwesterly winds through
this evening before winds shift to northwesterly behind a cold
front late tonight. briefly gusty conditions are expected behind
this front. winds diminish through tuesday as high pressure around
30.1 inches builds into the region. light and variable winds are
expected through wednesday morning before becoming northeasterly
wednesday afternoon as low pressure deepens to 29.6 inches in
illinois/indiana.
winds increase and become northerly through wednesday night into
thursday, with gales likely thursday through thursday night as low
pressure moves into the mid-atlantic and continues to deepen to
29.4 inches. winds gradually turn northwesterly and diminish
friday through friday night as low pressure exits into the
atlantic ocean. also wednesday night through friday, a band of
lake effect rain/snow showers will develop. locally lowered
visibilities are expected throughout this timeframe.
lmz261-362-364-366-563-565-567-868-100415-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
213 pm cst mon nov 9 2026
sheboygan wi to pentwater mi north...
.tonight...southwest winds 15 to 25 kt veering to northwest.
waves 4 to 6 ft occasionally to 8 ft.
.tuesday...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 2 to 4 ft subsiding to 1 to 3 ft.
.tuesday night...northwest winds 10 to 20 kt diminishing to 5 to
10 kt. waves 1 to 2 ft.
.wednesday...northwest winds 10 to 15 kt becoming north 10 to
20 kt. chance of rain. waves 1 ft or less building to 1 to 2 ft.
.wednesday night...north winds 15 to 25 kt increasing to 30 kt.
rain likely in the evening, then chance of rain overnight. waves
4 to 6 ft occasionally to 8 ft building to 8 to 11 ft
occasionally to 14 ft.
.thursday...northeast gales to 40 kt becoming north. rain likely.
waves 10 to 14 ft occasionally to 18 ft.
.thursday night...north gales to 35 kt diminishing to 30 kt. rain
and snow likely. waves 8 to 12 ft occasionally to 16 ft subsiding
to 7 to 10 ft occasionally to 13 ft.
.friday...north winds to 30 kt. snow likely with a chance of
rain. waves 7 to 10 ft occasionally to 13 ft.
.saturday...north winds 10 to 20 kt. waves 3 to 5 ft.
$$
(5/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/9/2026 4:00 PM America/New_York.
Valid through 11/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092100
glfls
expires:202611100900;;547791
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon nov 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...
a 29.6 inch low near lake winnipeg weakens to 29.7 inches as it
traverses just north of lake superior this evening into tonight,
sending a 29.8 inch trough across the lake. weak 30.0 inch ridging
returns on tuesday before a 29.9 inch trough drops southeast over
the lake tuesday night and wednesday. then 30.4 inch high pressure
over northern manitoba gradually shifts south-southeast through
saturday, becoming centered over the lake at 30.3 inches on saturday.
lsz265-100900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est mon nov 9 2026
.late this afternoon...south winds 15 to 25 knots. waves calm to
2 feet.
.tonight...west winds 15 to 25 knots increasing to 20 to 30 knots
by midnight, then becoming northwest to 30 knots with a few gale
force gusts to 35 knots possible late. waves building to 3 to
5 feet occasionally to 7 feet.
.tuesday...northwest winds to 30 knots with a few gale force
gusts to 35 knots possible diminishing to 15 to 25 knots. waves
subsiding to 1 to 3 feet.
.tuesday night...west winds 10 to 20 knots diminishing to 5 to
15 knots by midnight, then increasing to 10 to 20 knots late. a
slight chance of rain showers after midnight. waves subsiding to
calm to 2 feet.
.wednesday...northwest winds 10 to 20 knots becoming north 15 to
25 knots in the afternoon. a chance of rain showers in the
morning, then rain showers likely in the afternoon. waves
building to 2 to 4 feet.
.wednesday night...northeast winds 20 to 30 knots backing north
after midnight. rain showers likely in the evening. a chance of
snow showers. a chance of rain showers after midnight. waves
building to 3 to 6 feet occasionally to 8 feet.
.thursday...north winds 20 to 30 knots. snow showers. waves
building to 4 to 7 feet occasionally to 9 feet.
.thursday night...north winds 20 to 30 knots. snow showers likely
in the evening. waves subsiding to 3 to 6 feet occasionally to
8 feet.
.friday...north winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of snow showers. waves subsiding to 1 to
3 feet.
.saturday...north winds 10 to 20 knots backing northwest. waves
subsiding to calm to 2 feet.
$$
(6/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/9/2026 4:00 PM America/New_York.
Valid through 11/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092100
glfls
expires:202611100900;;547792
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon nov 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...
a 29.6 inch low near lake winnipeg weakens to 29.7 inches as it
traverses just north of lake superior this evening into tonight,
sending a 29.8 inch trough across the lake. weak 30.0 inch ridging
returns on tuesday before a 29.9 inch trough drops southeast over
the lake tuesday night and wednesday. then 30.4 inch high pressure
over northern manitoba gradually shifts south-southeast through
saturday, becoming centered over the lake at 30.3 inches on saturday.
lsz266-100900-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 pm est mon nov 9 2026
.late this afternoon...south winds 15 to 25 knots. sprinkles.
waves 1 to 3 feet.
.tonight...southwest winds 15 to 25 knots becoming west 20 to
30 knots by midnight, then becoming northwest to 30 knots with a
few gale force gusts to 35 knots possible late. waves building to
5 to 8 feet occasionally to 10 feet.
.tuesday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. waves subsiding to 3 to 5 feet
occasionally to 7 feet.
.tuesday night...northwest winds 10 to 20 knots becoming west
5 to 15 knots by midnight, then increasing to 10 to 20 knots
late. a slight chance of rain showers after midnight. waves
subsiding to calm to 2 feet.
.wednesday...northwest winds 10 to 20 knots veering north in the
afternoon. a chance of rain showers. waves building to 2 to
4 feet.
.wednesday night...northeast winds 20 to 30 knots. a chance of
rain and snow showers. waves building to 3 to 6 feet occasionally
to 8 feet.
.thursday...north winds 20 to 30 knots. a chance of snow showers
in the morning. snow showers likely in the afternoon. waves
building to 4 to 7 feet occasionally to 9 feet.
.thursday night...north winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet.
.friday...north winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to 1 to 3 feet.
.saturday...north winds 5 to 15 knots backing northwest. waves
subsiding to calm to 2 feet.
$$
(7/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/9/2026 4:00 PM America/New_York.
Valid through 11/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092100
glfls
expires:202611100900;;547793
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon nov 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...
a 29.6 inch low near lake winnipeg weakens to 29.7 inches as it
traverses just north of lake superior this evening into tonight,
sending a 29.8 inch trough across the lake. weak 30.0 inch ridging
returns on tuesday before a 29.9 inch trough drops southeast over
the lake tuesday night and wednesday. then 30.4 inch high pressure
over northern manitoba gradually shifts south-southeast through
saturday, becoming centered over the lake at 30.3 inches on saturday.
lsz267-100900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est mon nov 9 2026
.late this afternoon...south winds 15 to 25 knots. sprinkles.
waves calm to 2 feet.
.tonight...southwest winds 15 to 25 knots becoming west 20 to
30 knots by midnight, then becoming northwest to 30 knots with a
few gale force gusts to 35 knots possible late. a slight chance
of showers in the evening. waves building to 6 to 9 feet
occasionally to 11 feet.
.tuesday...northwest winds to 30 knots with a few gale force
gusts to 35 knots possible diminishing to 20 to 30 knots. waves
subsiding to 3 to 6 feet occasionally to 8 feet.
.tuesday night...northwest winds 10 to 20 knots backing west
late. a chance of rain showers. waves subsiding to calm to
2 feet.
.wednesday...west winds 10 to 20 knots veering north in the
afternoon. a chance of rain showers. waves building to 1 to
3 feet.
.wednesday night...northeast winds 15 to 25 knots. a chance of
rain showers, possibly mixed with snow. waves building to 3 to
5 feet occasionally to 7 feet.
.thursday...northeast winds 15 to 25 knots backing north in the
afternoon. a chance of snow showers. waves building to 3 to
6 feet occasionally to 8 feet.
.thursday night...north winds 15 to 25 knots. a chance of snow
showers. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.friday...north winds 15 to 25 knots. waves subsiding to 1 to
3 feet.
.saturday...north winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet.
$$
(8/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/9/2026 4:00 PM America/New_York.
Valid through 11/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092100
glfls
expires:202611100900;;547788
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon nov 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...
a 29.6 inch low near lake winnipeg weakens to 29.7 inches as it
traverses just north of lake superior this evening into tonight,
sending a 29.8 inch trough across the lake. weak 30.0 inch ridging
returns on tuesday before a 29.9 inch trough drops southeast over
the lake tuesday night and wednesday. then 30.4 inch high pressure
over northern manitoba gradually shifts south-southeast through
saturday, becoming centered over the lake at 30.3 inches on saturday.
lsz162-100900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est mon nov 9 2026 /300 pm cst mon nov 9 2026/
.late this afternoon...southwest winds 15 to 25 knots. waves 1 to
3 feet.
.tonight...west winds 15 to 25 knots diminishing to 10 to
20 knots late. waves building to 2 to 4 feet, then subsiding to
1 to 3 feet.
.tuesday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet.
.tuesday night...west winds 5 to 15 knots veering northwest late.
a slight chance of rain showers after midnight. waves calm to
2 feet.
.wednesday...north winds 10 to 20 knots. a slight chance of rain
showers. waves building to 1 to 3 feet.
.wednesday night...north winds 15 to 25 knots. a chance of rain
showers. waves building to 3 to 6 feet occasionally to 8 feet.
.thursday...north winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. waves subsiding to 2 to 4 feet.
.thursday night...north winds 10 to 20 knots. waves subsiding to
1 to 3 feet.
.friday...north winds 5 to 15 knots. waves subsiding to calm to
2 feet.
.saturday...north winds 5 to 15 knots veering south. waves calm
to 2 feet.
$$
(9/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/9/2026 4:00 PM America/New_York.
Valid through 11/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092100
glfls
expires:202611100900;;547789
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon nov 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...
a 29.6 inch low near lake winnipeg weakens to 29.7 inches as it
traverses just north of lake superior this evening into tonight,
sending a 29.8 inch trough across the lake. weak 30.0 inch ridging
returns on tuesday before a 29.9 inch trough drops southeast over
the lake tuesday night and wednesday. then 30.4 inch high pressure
over northern manitoba gradually shifts south-southeast through
saturday, becoming centered over the lake at 30.3 inches on saturday.
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 nov 9 2026
.late this afternoon...southwest winds 10 to 20 knots. waves 1 to
3 feet.
.tonight...west winds 10 to 20 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet.
.tuesday...west winds 10 to 20 knots diminishing to 5 to 15 knots
by mid afternoon. waves subsiding to 1 to 3 feet.
.tuesday night...west winds 5 to 15 knots. a slight chance of
rain showers after midnight. waves subsiding to calm to 2 feet.
.wednesday...north winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. a chance of rain showers. waves
building to 1 to 3 feet.
.wednesday night...northeast winds 15 to 25 knots backing north
after midnight. a chance of rain showers, possibly mixed with
snow. waves building to 3 to 6 feet occasionally to 8 feet.
.thursday...north winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. a chance of snow showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet.
.thursday night...north winds 10 to 20 knots. a chance of snow
showers. waves subsiding to 2 to 4 feet.
.friday...north winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet.
.saturday...north winds 5 to 15 knots backing southwest. waves
calm to 2 feet.
$$
(10/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/9/2026 4:00 PM America/New_York.
Valid through 11/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092100
glfls
expires:202611100900;;547790
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon nov 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...
a 29.6 inch low near lake winnipeg weakens to 29.7 inches as it
traverses just north of lake superior this evening into tonight,
sending a 29.8 inch trough across the lake. weak 30.0 inch ridging
returns on tuesday before a 29.9 inch trough drops southeast over
the lake tuesday night and wednesday. then 30.4 inch high pressure
over northern manitoba gradually shifts south-southeast through
saturday, becoming centered over the lake at 30.3 inches on saturday.
lsz264-100900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est mon nov 9 2026
.late this afternoon...southwest winds 5 to 15 knots. waves 1 to
3 feet.
.tonight...west winds 10 to 20 knots becoming northwest 15 to
25 knots by midnight. waves building to 3 to 6 feet occasionally
to 8 feet.
.tuesday...northwest winds 10 to 20 knots becoming west 5 to
15 knots by mid afternoon. waves subsiding to 1 to 3 feet.
.tuesday night...west winds 5 to 15 knots becoming northwest less
than 10 knots by midnight, then becoming north 5 to 15 knots
late. a slight chance of rain showers after midnight. waves
subsiding to calm to 2 feet.
.wednesday...north winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. a chance of rain showers. waves
building to 1 to 3 feet.
.wednesday night...northeast winds 10 to 20 knots. a chance of
rain showers in the evening. a chance of snow showers. waves
building to 3 to 5 feet occasionally to 7 feet.
.thursday...north winds 15 to 25 knots. a chance of snow showers
in the morning, then snow showers likely in the afternoon. waves
subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet.
.thursday night...north winds 10 to 20 knots. a chance of snow
showers. waves subsiding to 2 to 4 feet.
.friday...north winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet.
.saturday...north winds 5 to 15 knots backing west. waves calm to
2 feet.
$$
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