(1/11)
Latest Great Lakes Marine Forecast by KDTX
Issued 11/12/2026 9:31 PM America/New_York.
Valid through 11/13/2026 5:45 AM America/New_York.
fzus63 kdtx 130231
glflh
expires:202611131045;;725303
open lake forecast for lake huron
national weather service detroit/pontiac mi
931 pm est thu nov 12 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...northerly flow will hold through tomorrow which will
support breezy conditions along with lake effect precipitation
across lake huron. high pressure, 30.40 inches, to build in over
the southern great lakes sunday into monday, producing quieter
weather.
lhz361-362-131045-
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-
931 pm est thu nov 12 2026
.rest of tonight...north winds 15 to 20 knots. scattered showers
this evening. waves 3 to 5 feet.
.friday...north winds 15 to 20 knots. waves 3 to 5 feet.
.friday night...north winds 15 to 20 knots. scattered showers in
the evening. waves 4 to 6 feet. waves occasionally around 8 feet.
.saturday...north winds 15 to 20 knots. waves 4 to 6 feet.
.saturday night...north winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. waves 3 to 5 feet.
waves occasionally around 8 feet.
.sunday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon. waves 1 to 3 feet.
.monday...west winds 5 to 10 knots backing to the southwest until
early evening...then increasing to 10 to 15 knots by midnight.
waves 2 feet or less.
.tuesday...southwest winds 10 to 15 knots. waves 1 to 3 feet.
$$
(2/11)
Latest Great Lakes Marine Forecast by KDTX
Issued 11/12/2026 9:31 PM America/New_York.
Valid through 11/13/2026 5:45 AM America/New_York.
fzus63 kdtx 130231
glflh
expires:202611131045;;725304
open lake forecast for lake huron
national weather service detroit/pontiac mi
931 pm est thu nov 12 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...northerly flow will hold through tomorrow which will
support breezy conditions along with lake effect precipitation
across lake huron. high pressure, 30.40 inches, to build in over
the southern great lakes sunday into monday, producing quieter
weather.
lhz363-462-131045-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
931 pm est thu nov 12 2026
.rest of tonight...north winds 15 to 20 knots. scattered showers
this evening...then numerous showers after midnight. waves 5 to
7 feet. waves occasionally around 10 feet.
.friday...north winds 15 to 20 knots. scattered showers. waves
5 to 7 feet. waves occasionally around 10 feet.
.friday night...north winds 15 to 20 knots increasing to 20 to
25 knots after midnight. scattered showers. waves 6 to 9 feet.
waves occasionally around 12 feet.
.saturday...north winds 20 to 25 knots. scattered showers. waves
6 to 9 feet. waves occasionally around 12 feet.
.saturday night...northwest winds 15 to 20 knots. scattered
showers. waves 5 to 7 feet. waves occasionally around 10 feet.
.sunday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon. waves 3 to 5 feet subsiding to
1 to 3 feet late in the afternoon.
.monday...west winds 5 to 10 knots becoming southwest 10 to
15 knots . waves 1 to 3 feet.
.tuesday...southwest winds 10 to 15 knots. waves 2 to 4 feet.
$$
(3/11)
Latest Great Lakes Marine Forecast by KMKX
Issued 11/12/2026 9:01 PM US/Central.
Valid through 11/13/2026 4:30 AM US/Central.
fzus63 kmkx 130301
glflm
expires:202611131030;;725913
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
901 pm cst thu nov 12 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...
29.5 inch low pressure will advance into northeast into the new
england states this evening. meanwhile a 30.4 inch high pressure
is building into the canadian great plains. northerly winds will
remain steadily breezy (though below gale thresholds) through the
day on friday as the aforementioned high nudges east toward the
hudson bay. winds will taper sunday into monday as 30.2 inch high
pressure builds directly over the open waters.
persistent northerly winds will allow for continued lake effect
precipitation through friday. low level temperatures will be
supportive for mainly rain, though some snow could mix in over the
northern half of the lake. a few thunderstorms are possible,
particularly over the southern half of the waters. can't rule out
a waterspout in any deeper thunderstorms that manage to develop.
lmz261-362-364-563-131030-
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 rock island passage to sturgeon bay wi-
901 pm cst thu nov 12 2026
sturgeon bay wi to point betsie mi north...
.rest of tonight...north winds 15 to 25 kt. slight chance of
waterspouts through early evening, then chance of waterspouts
overnight. rain likely with a chance of snow through early
evening, then chance of rain and snow overnight. waves 4 to 7 ft
occasionally to 9 ft.
.friday...north winds 15 to 25 kt. slight chance of waterspouts.
chance of rain. waves 4 to 7 ft occasionally to 9 ft.
.friday night...north winds 15 to 25 kt. chance of rain. waves
4 to 7 ft occasionally to 9 ft.
.saturday...north winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft.
.saturday night...north winds 10 to 20 kt becoming northwest
10 to 15 kt. waves 2 to 4 ft subsiding to 1 to 3 ft.
.sunday...northwest winds 10 to 15 kt. waves 1 to 2 ft.
.sunday night...west winds 5 to 10 kt. waves 1 ft or less.
.monday...southwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft building to 2 to 4 ft.
.tuesday...southwest winds 15 to 25 kt. waves 3 to 5 ft.
$$
(4/11)
Latest Great Lakes Marine Forecast by KMKX
Issued 11/12/2026 9:01 PM US/Central.
Valid through 11/13/2026 4:30 AM US/Central.
fzus63 kmkx 130301
glflm
expires:202611131030;;725914
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
901 pm cst thu nov 12 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...
29.5 inch low pressure will advance into northeast into the new
england states this evening. meanwhile a 30.4 inch high pressure
is building into the canadian great plains. northerly winds will
remain steadily breezy (though below gale thresholds) through the
day on friday as the aforementioned high nudges east toward the
hudson bay. winds will taper sunday into monday as 30.2 inch high
pressure builds directly over the open waters.
persistent northerly winds will allow for continued lake effect
precipitation through friday. low level temperatures will be
supportive for mainly rain, though some snow could mix in over the
northern half of the lake. a few thunderstorms are possible,
particularly over the southern half of the waters. can't rule out
a waterspout in any deeper thunderstorms that manage to develop.
lmz366-565-567-868-131030-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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-
901 pm cst thu nov 12 2026
sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...
...gale warning in effect until 9 pm cst this evening...
.rest of tonight...north winds to 30 kt. slight chance of
waterspouts. rain likely. waves 7 to 10 ft occasionally to 13 ft.
.friday...north winds to 30 kt. slight chance of waterspouts.
rain in the morning, then rain likely in the afternoon. waves
7 to 10 ft occasionally to 13 ft.
.friday night...north winds to 30 kt diminishing to 15 to 25 kt.
chance of rain. waves 6 to 9 ft occasionally to 12 ft.
.saturday...north winds 15 to 25 kt. chance of rain in the
morning. waves 5 to 8 ft occasionally to 10 ft.
.saturday night...north winds 10 to 20 kt becoming northwest 5 to
10 kt overnight. waves 3 to 5 ft subsiding to 1 to 3 ft.
.sunday...northwest winds 5 to 10 kt. waves 1 to 2 ft.
.sunday night...west winds less than 10 kt increasing to 5 to
10 kt. waves 1 ft or less.
.monday...southwest winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.
.tuesday...southwest winds 10 to 20 kt. waves 2 to 4 ft.
$$
(5/11)
Latest Great Lakes Marine Forecast by KMKX
Issued 11/12/2026 9:01 PM US/Central.
Valid through 11/13/2026 4:30 AM US/Central.
fzus63 kmkx 130301
glflm
expires:202611131030;;725915
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
901 pm cst thu nov 12 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...
29.5 inch low pressure will advance into northeast into the new
england states this evening. meanwhile a 30.4 inch high pressure
is building into the canadian great plains. northerly winds will
remain steadily breezy (though below gale thresholds) through the
day on friday as the aforementioned high nudges east toward the
hudson bay. winds will taper sunday into monday as 30.2 inch high
pressure builds directly over the open waters.
persistent northerly winds will allow for continued lake effect
precipitation through friday. low level temperatures will be
supportive for mainly rain, though some snow could mix in over the
northern half of the lake. a few thunderstorms are possible,
particularly over the southern half of the waters. can't rule out
a waterspout in any deeper thunderstorms that manage to develop.
lmz080-669-671-673-675-777-779-870-872-874-876-878-131030-
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-
901 pm cst thu nov 12 2026
sheboygan wi to pentwater mi south...
...gale warning in effect until 9 pm cst this evening...
.rest of tonight...north winds to 30 kt. slight chance of
waterspouts. rain through early evening, then chance of rain
overnight. waves 12 to 16 ft occasionally to 21 ft subsiding to
8 to 12 ft occasionally to 16 ft.
.friday...north winds to 30 kt. chance of waterspouts. chance of
rain. waves 8 to 12 ft occasionally to 16 ft.
.friday night...north winds to 30 kt diminishing to 15 to 25 kt.
chance of rain. waves 8 to 12 ft occasionally to 16 ft subsiding
to 7 to 10 ft occasionally to 13 ft.
.saturday...north winds to 30 kt becoming northwest 15 to 25 kt.
chance of rain in the morning. waves 6 to 9 ft occasionally to
12 ft.
.saturday night...north winds 10 to 20 kt becoming northwest
10 to 15 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to
3 to 5 ft.
.sunday...northwest winds 10 to 15 kt diminishing to 5 to 10 kt.
waves 1 to 3 ft.
.sunday night...northwest winds 5 to 10 kt becoming west. waves
1 to 2 ft.
.monday...southwest winds 10 to 15 kt. waves 1 to 2 ft.
.tuesday...southwest winds 10 to 20 kt. waves 2 to 4 ft.
$$
(6/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/12/2026 10:01 PM America/New_York.
Valid through 11/13/2026 4:00 AM America/New_York.
fzus63 kmqt 130301
glfls
expires:202611130900;;725857
open lake forecast for lake superior
national weather service marquette mi
1000 pm est thu nov 12 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 29.4 inch low moves offshore of new jersey tomorrow and then
tracks south of newfoundland by saturday morning. meanwhile, 30.3
inch high pressure over manitoba and northwest ontario slowly shifts
east and expands southward towards the ozarks tomorrow. high
pressure reaches the upper great lakes by saturday and then
encompasses much of the eastern conus by sunday, strengthening to
30.5 inches over the ohio river valley by monday.
lsz162-130900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est thu nov 12 2026 /900 pm cst thu nov 12 2026/
.rest of tonight...north winds 15 to 25 knots. waves 3 to 5 feet
occasionally to 7 feet.
.friday...north winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to 1 to 3 feet.
.friday night...north winds 5 to 15 knots increasing to 10 to
20 knots by midnight. waves subsiding to calm to 2 feet.
.saturday...north winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet.
.saturday night...west winds less than 10 knots increasing to
5 to 15 knots after midnight. waves calm to 2 feet.
.sunday...west winds 5 to 15 knots backing southwest in the
afternoon. waves calm to 2 feet.
.sunday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 2 to 4 feet.
.monday...southwest winds 15 to 25 knots increasing to 20 to
30 knots. waves building to 3 to 6 feet occasionally to 8 feet.
.tuesday...southwest winds 15 to 25 knots. waves subsiding to
2 to 4 feet.
$$
(7/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/12/2026 10:01 PM America/New_York.
Valid through 11/13/2026 4:00 AM America/New_York.
fzus63 kmqt 130301
glfls
expires:202611130900;;725858
open lake forecast for lake superior
national weather service marquette mi
1000 pm est thu nov 12 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 29.4 inch low moves offshore of new jersey tomorrow and then
tracks south of newfoundland by saturday morning. meanwhile, 30.3
inch high pressure over manitoba and northwest ontario slowly shifts
east and expands southward towards the ozarks tomorrow. high
pressure reaches the upper great lakes by saturday and then
encompasses much of the eastern conus by sunday, strengthening to
30.5 inches over the ohio river valley by monday.
lsz263-130900-
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 pm est thu nov 12 2026
.rest of tonight...north winds 15 to 25 knots increasing to 20 to
30 knots by midnight, then diminishing to 15 to 25 knots late. a
slight chance of snow showers. waves 4 to 8 feet occasionally to
10 feet, then building to 5 to 8 feet occasionally to 10 feet.
.friday...north winds 15 to 25 knots diminishing to 10 to
20 knots. a slight chance of snow showers. waves subsiding to
3 to 5 feet occasionally to 7 feet.
.friday night...north winds 10 to 20 knots. waves subsiding to
2 to 4 feet.
.saturday...north winds 5 to 15 knots backing northwest in the
afternoon. waves subsiding to calm to 2 feet.
.saturday night...west winds less than 10 knots. waves calm to
2 feet.
.sunday...west winds 5 to 15 knots backing southwest in the
afternoon. waves calm to 2 feet.
.sunday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet.
.monday...southwest gales to 35 knots diminishing to 20 to
30 knots. waves building to 5 to 8 feet occasionally to 10 feet.
.tuesday...southwest gales to 35 knots diminishing to 15 to
25 knots. waves subsiding to 3 to 6 feet occasionally to 8 feet.
$$
(8/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/12/2026 10:01 PM America/New_York.
Valid through 11/13/2026 4:00 AM America/New_York.
fzus63 kmqt 130301
glfls
expires:202611130900;;725859
open lake forecast for lake superior
national weather service marquette mi
1000 pm est thu nov 12 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 29.4 inch low moves offshore of new jersey tomorrow and then
tracks south of newfoundland by saturday morning. meanwhile, 30.3
inch high pressure over manitoba and northwest ontario slowly shifts
east and expands southward towards the ozarks tomorrow. high
pressure reaches the upper great lakes by saturday and then
encompasses much of the eastern conus by sunday, strengthening to
30.5 inches over the ohio river valley by monday.
lsz264-130900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm est thu nov 12 2026
.rest of tonight...north winds 15 to 25 knots. a chance of snow
showers. waves 4 to 7 feet occasionally to 9 feet.
.friday...north winds 15 to 25 knots. a slight chance of snow
showers in the morning. waves subsiding to 3 to 6 feet
occasionally to 8 feet.
.friday night...north winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. waves subsiding to 3 to 5 feet occasionally
to 7 feet.
.saturday...north winds 5 to 15 knots backing northwest in the
afternoon. waves subsiding to calm to 2 feet.
.saturday night...northwest winds 5 to 15 knots diminishing to
less than 10 knots after midnight. waves calm to 2 feet.
.sunday...west winds 5 to 15 knots. waves calm to 2 feet.
.sunday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet.
.monday...southwest winds 15 to 25 knots increasing to 20 to
30 knots. waves building to 4 to 7 feet occasionally to 9 feet.
.tuesday...southwest winds 15 to 25 knots. waves subsiding to
3 to 5 feet occasionally to 7 feet.
$$
(9/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/12/2026 10:01 PM America/New_York.
Valid through 11/13/2026 4:00 AM America/New_York.
fzus63 kmqt 130301
glfls
expires:202611130900;;725860
open lake forecast for lake superior
national weather service marquette mi
1000 pm est thu nov 12 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 29.4 inch low moves offshore of new jersey tomorrow and then
tracks south of newfoundland by saturday morning. meanwhile, 30.3
inch high pressure over manitoba and northwest ontario slowly shifts
east and expands southward towards the ozarks tomorrow. high
pressure reaches the upper great lakes by saturday and then
encompasses much of the eastern conus by sunday, strengthening to
30.5 inches over the ohio river valley by monday.
lsz265-130900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm est thu nov 12 2026
.rest of tonight...north winds 20 to 30 knots. snow showers
likely late in the evening. a slight chance of rain showers. a
chance of snow showers after midnight. waves 5 to 9 feet
occasionally to 11 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet.
.friday...north winds 20 to 30 knots. a chance of rain and snow
showers. waves 5 to 8 feet occasionally to 10 feet.
.friday night...north winds 20 to 30 knots diminishing to 15 to
25 knots late. a slight chance of rain showers in the evening.
waves subsiding to 4 to 7 feet occasionally to 9 feet.
.saturday...north winds 15 to 25 knots becoming northwest 10 to
20 knots in the afternoon. waves subsiding to 1 to 3 feet.
.saturday night...northwest winds 10 to 20 knots. waves subsiding
to calm to 2 feet.
.sunday...west winds 10 to 20 knots diminishing to 5 to 15 knots
in the afternoon. waves calm to 2 feet.
.sunday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves calm to 2 feet.
.monday...southwest winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 1 to 3 feet.
.tuesday...southwest winds 15 to 25 knots. waves subsiding to
calm to 2 feet.
$$
(10/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/12/2026 10:01 PM America/New_York.
Valid through 11/13/2026 4:00 AM America/New_York.
fzus63 kmqt 130301
glfls
expires:202611130900;;725861
open lake forecast for lake superior
national weather service marquette mi
1000 pm est thu nov 12 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 29.4 inch low moves offshore of new jersey tomorrow and then
tracks south of newfoundland by saturday morning. meanwhile, 30.3
inch high pressure over manitoba and northwest ontario slowly shifts
east and expands southward towards the ozarks tomorrow. high
pressure reaches the upper great lakes by saturday and then
encompasses much of the eastern conus by sunday, strengthening to
30.5 inches over the ohio river valley by monday.
lsz266-130900-
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-
1000 pm est thu nov 12 2026
.rest of tonight...north winds 20 to 30 knots increasing to
30 knots with a few gale force gusts to 35 knots possible by
midnight, then diminishing to 20 to 30 knots late. a chance of
snow showers, possibly mixed with rain. waves 5 to 9 feet
occasionally to 11 feet, then building to 6 to 9 feet
occasionally to 11 feet.
.friday...north winds 20 to 30 knots increasing to 30 knots with
a few gale force gusts to 35 knots possible by mid afternoon. a
slight chance of rain and snow showers. waves building to 6 to
9 feet occasionally to 11 feet.
.friday night...north winds to 30 knots with a few gale force
gusts to 35 knots possible diminishing to 20 to 30 knots by
midnight. a slight chance of rain showers in the evening. waves
subsiding to 5 to 8 feet occasionally to 10 feet.
.saturday...north winds 15 to 25 knots. waves subsiding to 2 to
4 feet.
.saturday night...north winds 10 to 20 knots becoming northwest
5 to 15 knots after midnight. waves subsiding to calm to 2 feet.
.sunday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet.
.sunday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 1 to 3 feet.
.monday...southwest winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet.
.tuesday...southwest winds 10 to 20 knots increasing to 15 to
25 knots. waves subsiding to 2 to 4 feet.
$$
(11/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/12/2026 10:01 PM America/New_York.
Valid through 11/13/2026 4:00 AM America/New_York.
fzus63 kmqt 130301
glfls
expires:202611130900;;725862
open lake forecast for lake superior
national weather service marquette mi
1000 pm est thu nov 12 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 29.4 inch low moves offshore of new jersey tomorrow and then
tracks south of newfoundland by saturday morning. meanwhile, 30.3
inch high pressure over manitoba and northwest ontario slowly shifts
east and expands southward towards the ozarks tomorrow. high
pressure reaches the upper great lakes by saturday and then
encompasses much of the eastern conus by sunday, strengthening to
30.5 inches over the ohio river valley by monday.
lsz267-130900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm est thu nov 12 2026
.rest of tonight...north winds 20 to 30 knots. a slight chance of
rain showers late in the evening. a chance of snow showers. waves
4 to 7 feet occasionally to 9 feet.
.friday...north winds 20 to 30 knots. a slight chance of snow
showers in the morning. a chance of rain showers. waves subsiding
to 3 to 6 feet occasionally to 8 feet, then building to 4 to
7 feet occasionally to 9 feet.
.friday night...north winds 20 to 30 knots. a slight chance of
rain showers in the evening. waves building to 4 to 8 feet
occasionally to 10 feet.
.saturday...north winds 15 to 25 knots. waves subsiding to 1 to
3 feet.
.saturday night...north winds 10 to 20 knots. waves subsiding to
calm to 2 feet.
.sunday...northwest winds 5 to 15 knots. waves calm to 2 feet.
.sunday night...west winds 10 to 20 knots backing southwest after
midnight. waves calm to 2 feet.
.monday...southwest winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 2 to 4 feet.
.tuesday...southwest winds 10 to 20 knots increasing to 15 to
25 knots. waves 2 to 4 feet.
$$
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