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(1/11)
Latest Great Lakes Marine Forecast by KDTX
Issued 11/5/2026 9:51 AM America/New_York.
Valid through 11/5/2026 6:00 PM America/New_York.
fzus63 kdtx 051451
glflh
expires:202611052300;;307504
open lake forecast for lake huron
national weather service detroit/pontiac mi
951 am est thu nov 5 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...low pressure, 29.50 inches, over the northern great
lakes will slowly track into the eastern great lakes through
tomorrow. subsequently, a period of strong northeast winds can be
expected over lake huron on friday.
lhz361-052300-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
951 am est thu nov 5 2026
.rest of today...southwest winds 10 to 20 knots. a chance of
rain. waves 1 to 3 feet.
.tonight...west winds 10 to 15 knots becoming north 20 to
25 knots with gusts to around 30 knots in the late evening and
overnight. rain in the evening...then rain likely after midnight.
waves 2 to 4 feet building to 4 to 6 feet in the late evening and
overnight. waves occasionally around 8 feet.
.friday...north winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots with gusts to around
30 knots in the late morning and afternoon. rain likely in the
morning...then a chance of rain in the afternoon. waves 4 to
6 feet. waves occasionally around 8 feet.
.friday night...north winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.saturday...north winds 5 to 10 knots backing to the northwest
late in the afternoon. waves 2 feet or less.
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots
with gusts to around 30 knots until early evening...then
decreasing to 10 to 15 knots with gusts to around 30 knots by
midnight. waves 1 to 3 feet building to 4 to 6 feet. waves
occasionally around 8 feet.
.monday...northwest winds 10 to 15 knots becoming west 5 to
10 knots until early evening...then becoming southwest 10 to
15 knots by midnight. waves 1 to 3 feet.
$$
(2/11)
Latest Great Lakes Marine Forecast by KDTX
Issued 11/5/2026 9:51 AM America/New_York.
Valid through 11/5/2026 6:00 PM America/New_York.
fzus63 kdtx 051451
glflh
expires:202611052300;;307505
open lake forecast for lake huron
national weather service detroit/pontiac mi
951 am est thu nov 5 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...low pressure, 29.50 inches, over the northern great
lakes will slowly track into the eastern great lakes through
tomorrow. subsequently, a period of strong northeast winds can be
expected over lake huron on friday.
lhz362-363-052300-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
951 am est thu nov 5 2026
.rest of today...southwest winds 15 to 25 knots. a chance of rain
in the afternoon. waves 5 to 7 feet. waves occasionally around 10
feet.
.tonight...southwest winds 15 to 20 knots veering to the north
after midnight. a chance of rain in the evening...then rain
likely after midnight. waves 4 to 6 feet. waves occasionally
around 8 feet.
.friday...north winds 20 to 25 knots with gusts to around
30 knots. rain. waves 6 to 9 feet. waves occasionally around
11 feet.
.friday night...north winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late evening and
overnight. rain in the evening...then a chance of rain after
midnight. waves 6 to 9 feet. waves occasionally around 12 feet.
.saturday...north winds 15 to 20 knots decreasing to 10 to
15 knots late in the morning...then backing to the northwest late
in the afternoon. a chance of rain in the morning. waves 4 to
6 feet subsiding to 1 to 3 feet late in the afternoon. waves
occasionally around 8 feet.
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots
with gusts to around 30 knots. waves 3 to 5 feet building to 5 to
7 feet . waves occasionally around 10 feet.
.monday...west winds 10 to 15 knots backing to the southwest
early in the evening...then increasing to 15 to 20 knots by
midnight. waves 3 to 5 feet.
$$
(3/11)
Latest Great Lakes Marine Forecast by KDTX
Issued 11/5/2026 9:51 AM America/New_York.
Valid through 11/5/2026 6:00 PM America/New_York.
fzus63 kdtx 051451
glflh
expires:202611052300;;307506
open lake forecast for lake huron
national weather service detroit/pontiac mi
951 am est thu nov 5 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...low pressure, 29.50 inches, over the northern great
lakes will slowly track into the eastern great lakes through
tomorrow. subsequently, a period of strong northeast winds can be
expected over lake huron on friday.
lhz462>464-052300-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
951 am est thu nov 5 2026
.rest of today...southwest winds 15 to 20 knots. a chance of rain
in the afternoon. waves 3 to 5 feet.
.tonight...southwest winds 15 to 20 knots becoming west 10 to
15 knots after midnight...then increasing to 15 to 20 knots early
in the morning. a chance of rain. waves 2 to 4 feet.
.friday...west winds 10 to 15 knots becoming northwest 15 to
20 knots in the late morning and afternoon. a chance of rain in
the morning...then rain in the afternoon. waves 5 to 7 feet.
waves occasionally around 10 feet.
.friday night...north winds 20 to 25 knots. rain. waves 6 to
9 feet. waves occasionally around 12 feet.
.saturday...north winds 15 to 20 knots becoming northwest 10 to
15 knots late in the afternoon. rain likely in the morning. waves
4 to 6 feet subsiding to 2 to 4 feet late in the evening. waves
occasionally around 8 feet.
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
waves 2 to 4 feet building to 4 to 6 feet . waves occasionally
around 8 feet.
.monday...west winds 10 to 15 knots backing to the southwest
early in the evening...then increasing to 15 to 20 knots by
midnight. waves 3 to 5 feet subsiding to 2 to 4 feet .
$$
(4/11)
Latest Great Lakes Marine Forecast by KMKX
Issued 11/5/2026 8:50 AM US/Central.
Valid through 11/5/2026 5:30 PM US/Central.
fzus63 kmkx 051450
glflm
expires:202611052330;;307484
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
issued by national weather service green bay wi
850 am cst thu nov 5 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 currently at around 29.5 inches will continue to
track from eastern lake superior through the james bay region and
into quebec today. breezy southwesterly winds with gusts up to 25
knots will persist this morning, before increasing and briefly
turning westerly this afternoon as the associated cold front
slides across lake michigan. stronger winds then shift to the
north-northwest behind the cold front this afternoon/evening.
will see gusts increase to gale force during this time, continuing
into friday as high pressure around 30.3 inches begins to build
down across the upper midwest. thus, a gale warning remains in
effect for these strong winds as they work north to south down
lake michigan late this afternoon through friday afternoon. may
see gale conditions end sooner for northern portion of lake
michigan. in addition to the winds, cold air moving into the
region friday paired with warmer lake temps will result in
potential for an isolated waterspout or two for the southeast part
of lake michigan. high pressure then builds over the upper great
lakes overnight friday through the weekend, bringing lighter
northwesterly winds.
lmz261-362-364-366-563-565-567-868-052330-
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-
850 am cst thu nov 5 2026
sheboygan wi to pentwater mi north...
...gale warning in effect from noon cst today through friday
afternoon...
.rest of today...southwest winds 15 to 25 kt becoming west to
30 kt late this morning, then becoming northwest early this
afternoon becoming north gales to 35 kt late. chance of rain
showers. waves 4 to 7 ft occasionally to 9 ft building to 5 to
8 ft occasionally to 10 ft.
.tonight...north gales to 35 kt. chance of rain showers in the
evening, then rain showers likely overnight. waves 7 to 10 ft
occasionally to 13 ft.
.friday...north gales to 35 kt. chance of rain showers. waves
7 to 10 ft occasionally to 13 ft.
.friday night...north winds to 30 kt diminishing to 10 to 20 kt
overnight. waves 6 to 9 ft occasionally to 12 ft subsiding to
4 to 6 ft occasionally to 8 ft.
.saturday...north winds 10 to 20 kt becoming northwest. waves
2 to 4 ft subsiding to 1 to 3 ft.
.saturday night...west winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 3 ft building to 2 to 4 ft.
.sunday...west winds 15 to 25 kt. waves 2 to 4 ft.
.monday...west winds 15 to 25 kt becoming southwest to 30 kt.
waves 1 to 3 ft building to 4 to 6 ft occasionally to 8 ft.
$$
(5/11)
Latest Great Lakes Marine Forecast by KMKX
Issued 11/5/2026 8:50 AM US/Central.
Valid through 11/5/2026 5:30 PM US/Central.
fzus63 kmkx 051450
glflm
expires:202611052330;;307485
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
issued by national weather service green bay wi
850 am cst thu nov 5 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 currently at around 29.5 inches will continue to
track from eastern lake superior through the james bay region and
into quebec today. breezy southwesterly winds with gusts up to 25
knots will persist this morning, before increasing and briefly
turning westerly this afternoon as the associated cold front
slides across lake michigan. stronger winds then shift to the
north-northwest behind the cold front this afternoon/evening.
will see gusts increase to gale force during this time, continuing
into friday as high pressure around 30.3 inches begins to build
down across the upper midwest. thus, a gale warning remains in
effect for these strong winds as they work north to south down
lake michigan late this afternoon through friday afternoon. may
see gale conditions end sooner for northern portion of lake
michigan. in addition to the winds, cold air moving into the
region friday paired with warmer lake temps will result in
potential for an isolated waterspout or two for the southeast part
of lake michigan. high pressure then builds over the upper great
lakes overnight friday through the weekend, bringing lighter
northwesterly winds.
lmz080-669-671-673-675-777-779-870-872-874-876-878-052330-
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-
850 am cst thu nov 5 2026
sheboygan wi to pentwater mi south...
...gale warning in effect from noon cst today through friday
afternoon...
.rest of today...southwest winds 15 to 25 kt becoming northwest
to 30 kt. slight chance of showers this morning, then chance of
showers this afternoon. waves 5 to 8 ft occasionally to 10 ft.
.tonight...north gales to 35 kt. chance of rain showers. waves
8 to 11 ft occasionally to 14 ft.
.friday...north gales to 35 kt. chance of rain showers. waves
7 to 10 ft occasionally to 13 ft.
.friday night...north winds to 30 kt becoming northwest 10 to
20 kt overnight. chance of rain showers in the evening. waves
8 to 11 ft occasionally to 14 ft subsiding to 6 to 9 ft
occasionally to 12 ft.
.saturday...northwest winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft.
.saturday night...west winds 10 to 20 kt. waves 1 to 3 ft
building to 3 to 5 ft.
.sunday...west winds 10 to 20 kt. waves 3 to 5 ft.
.monday...west winds 10 to 20 kt becoming southwest 15 to 25 kt.
waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.
$$
(6/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/5/2026 10:01 AM America/New_York.
Valid through 11/5/2026 4:00 PM America/New_York.
fzus63 kmqt 051501
glfls
expires:202611052100;;307915
open lake forecast for lake superior
national weather service marquette mi
1001 am est thu nov 5 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
a 29.5 inch trough near the soo this morning moves east into quebec
and southeast ontario today. high pressure of 30.2 inches builds in
from the northwest tonight through friday, weakening to 30.1 inches
on saturday as it shifts southeast ahead of a 29.5 inch clipper low
crossing hudson bay on sunday.
lsz162-052100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am est thu nov 5 2026 /901 am cst thu nov 5 2026/
.rest of today...north winds 20 to 30 knots. waves 6 to 9 feet
occasionally to 11 feet subsiding to 3 to 6 feet occasionally to
8 feet.
.tonight...north winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. waves subsiding to 2 to 4 feet.
.friday...north winds 5 to 15 knots becoming south less than
10 knots by mid afternoon. waves subsiding to calm to 2 feet.
.friday night...southwest winds less than 10 knots increasing to
5 to 15 knots after midnight. waves calm to 2 feet.
.saturday...southwest winds 10 to 20 knots. waves building to
1 to 3 feet.
.saturday night...southwest winds 15 to 25 knots veering west
after midnight. waves building to 3 to 5 feet occasionally to
7 feet.
.sunday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
waves subsiding to calm to 2 feet.
.monday...southwest winds 15 to 25 knots veering west. waves
building to 2 to 4 feet.
$$
(7/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/5/2026 10:01 AM America/New_York.
Valid through 11/5/2026 4:00 PM America/New_York.
fzus63 kmqt 051501
glfls
expires:202611052100;;307916
open lake forecast for lake superior
national weather service marquette mi
1001 am est thu nov 5 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 29.5 inch trough near the soo this morning moves east into quebec
and southeast ontario today. high pressure of 30.2 inches builds in
from the northwest tonight through friday, weakening to 30.1 inches
on saturday as it shifts southeast ahead of a 29.5 inch clipper low
crossing hudson bay on sunday.
lsz263-052100-
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-
1001 am est thu nov 5 2026
...gale warning in effect until 7 pm est this evening...
.rest of today...north gales to 40 knots. a slight chance of rain
showers. waves 9 to 12 feet occasionally to 15 feet subsiding to
7 to 10 feet occasionally to 13 feet.
.tonight...north winds 20 to 30 knots diminishing to 10 to
20 knots. a slight chance of rain showers in the evening. waves
subsiding to 3 to 5 feet occasionally to 7 feet.
.friday...north winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet.
.friday night...west winds less than 10 knots becoming southwest
5 to 15 knots after midnight. waves calm to 2 feet.
.saturday...southwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves building to 2 to 4 feet.
.saturday night...southwest winds 15 to 25 knots veering west
after midnight. waves building to 4 to 7 feet occasionally to
9 feet.
.sunday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet.
.monday...southwest winds 15 to 25 knots veering west. waves
building to 3 to 6 feet occasionally to 8 feet.
$$
(8/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/5/2026 10:01 AM America/New_York.
Valid through 11/5/2026 4:00 PM America/New_York.
fzus63 kmqt 051501
glfls
expires:202611052100;;307917
open lake forecast for lake superior
national weather service marquette mi
1001 am est thu nov 5 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 29.5 inch trough near the soo this morning moves east into quebec
and southeast ontario today. high pressure of 30.2 inches builds in
from the northwest tonight through friday, weakening to 30.1 inches
on saturday as it shifts southeast ahead of a 29.5 inch clipper low
crossing hudson bay on sunday.
lsz264-052100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 am est thu nov 5 2026
...gale warning in effect until 10 pm est this evening...
.rest of today...north gales to 45 knots. a chance of rain
showers. waves 10 to 14 feet occasionally to 18 feet subsiding to
7 to 10 feet occasionally to 13 feet.
.tonight...north winds 20 to 30 knots diminishing to 15 to
25 knots late. waves subsiding to 3 to 6 feet occasionally to
8 feet.
.friday...northeast winds 15 to 25 knots diminishing to 10 to
20 knots by late morning, then becoming north 5 to 15 knots by
mid afternoon. waves subsiding to calm to 2 feet.
.friday night...north winds less than 10 knots backing west after
midnight. waves calm to 2 feet.
.saturday...west winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon. waves building to 1 to 3 feet.
.saturday night...southwest winds 15 to 25 knots veering west
after midnight. waves building to 4 to 7 feet occasionally to
9 feet.
.sunday...west gales to 35 knots diminishing to 10 to 20 knots.
waves subsiding to calm to 2 feet.
.monday...southwest winds 15 to 25 knots veering west. waves
building to 3 to 6 feet occasionally to 8 feet.
$$
(9/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/5/2026 10:01 AM America/New_York.
Valid through 11/5/2026 4:00 PM America/New_York.
fzus63 kmqt 051501
glfls
expires:202611052100;;307918
open lake forecast for lake superior
national weather service marquette mi
1001 am est thu nov 5 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 29.5 inch trough near the soo this morning moves east into quebec
and southeast ontario today. high pressure of 30.2 inches builds in
from the northwest tonight through friday, weakening to 30.1 inches
on saturday as it shifts southeast ahead of a 29.5 inch clipper low
crossing hudson bay on sunday.
lsz265-052100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 am est thu nov 5 2026
...gale warning in effect through late tonight...
.rest of today...north gales to 45 knots with a few storm force
gusts to 50 knots possible diminishing to gales to 45 knots. rain
showers late in the morning, then a chance of rain showers in the
afternoon. waves 10 to 14 feet occasionally to 18 feet building
to 12 to 17 feet occasionally to 21 feet, then subsiding to 10 to
14 feet occasionally to 18 feet.
.tonight...north gales to 40 knots. a chance of rain showers.
waves subsiding to 6 to 9 feet occasionally to 11 feet.
.friday...north winds 20 to 30 knots diminishing to 10 to
20 knots. waves subsiding to 2 to 4 feet.
.friday night...north winds 5 to 15 knots backing northwest after
midnight. waves subsiding to calm to 2 feet.
.saturday...west winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. waves calm to 2 feet.
.saturday night...southwest winds 15 to 25 knots becoming west
20 to 30 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet.
.sunday...west gales to 40 knots diminishing to 20 to 30 knots.
waves building to 5 to 8 feet occasionally to 10 feet, then
subsiding to calm to 2 feet.
.monday...southwest winds 15 to 25 knots becoming west 20 to
30 knots. waves building to 3 to 6 feet occasionally to 8 feet.
$$
(10/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/5/2026 10:01 AM America/New_York.
Valid through 11/5/2026 4:00 PM America/New_York.
fzus63 kmqt 051501
glfls
expires:202611052100;;307919
open lake forecast for lake superior
national weather service marquette mi
1001 am est thu nov 5 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 29.5 inch trough near the soo this morning moves east into quebec
and southeast ontario today. high pressure of 30.2 inches builds in
from the northwest tonight through friday, weakening to 30.1 inches
on saturday as it shifts southeast ahead of a 29.5 inch clipper low
crossing hudson bay on sunday.
lsz266-052100-
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-
1001 am est thu nov 5 2026
...gale warning in effect through late tonight...
.rest of today...north gales to 45 knots. patchy fog. rain
showers late in the morning. a chance of rain showers in the
afternoon. waves 10 to 14 feet occasionally to 18 feet building
to 12 to 17 feet occasionally to 21 feet, then subsiding to 11 to
15 feet occasionally to 19 feet.
.tonight...north gales to 35 knots diminishing to 20 to 30 knots
late. patchy fog. a chance of rain showers. waves subsiding to
6 to 9 feet occasionally to 11 feet.
.friday...north winds 20 to 30 knots diminishing to 15 to
25 knots. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.friday night...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet.
.saturday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet.
.saturday night...southwest winds 10 to 20 knots becoming west
20 to 30 knots after midnight. waves building to 3 to 6 feet
occasionally to 8 feet.
.sunday...west gales to 40 knots becoming northwest 20 to
30 knots. waves building to 6 to 9 feet occasionally to 11 feet,
then subsiding to 1 to 3 feet.
.monday...southwest winds 15 to 25 knots becoming west 20 to
30 knots. waves building to 3 to 6 feet occasionally to 8 feet.
$$
(11/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 11/5/2026 10:01 AM America/New_York.
Valid through 11/5/2026 4:00 PM America/New_York.
fzus63 kmqt 051501
glfls
expires:202611052100;;307920
open lake forecast for lake superior
national weather service marquette mi
1001 am est thu nov 5 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 29.5 inch trough near the soo this morning moves east into quebec
and southeast ontario today. high pressure of 30.2 inches builds in
from the northwest tonight through friday, weakening to 30.1 inches
on saturday as it shifts southeast ahead of a 29.5 inch clipper low
crossing hudson bay on sunday.
lsz267-052100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 am est thu nov 5 2026
...gale warning in effect through friday morning...
.rest of today...north winds 15 to 25 knots increasing to gales
to 40 knots. patchy fog. rain showers. waves 1 to 3 feet building
to 10 to 14 feet occasionally to 18 feet.
.tonight...north gales to 35 knots. patchy fog. a chance of rain
showers. waves subsiding to 7 to 10 feet occasionally to 13 feet.
.friday...north winds 20 to 30 knots diminishing to 15 to
25 knots. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.friday night...northeast winds 10 to 20 knots backing north
after midnight. waves subsiding to calm to 2 feet.
.saturday...north winds 5 to 15 knots backing northwest in the
afternoon. waves calm to 2 feet.
.saturday night...southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. waves building to 2 to 4 feet.
.sunday...west gales to 40 knots becoming northwest 15 to
25 knots. waves building to 7 to 10 feet occasionally to 13 feet,
then subsiding to 2 to 4 feet.
.monday...southwest winds 15 to 25 knots veering west. waves
subsiding to 1 to 3 feet, then building to 3 to 6 feet
occasionally to 8 feet.
$$
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