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(1/10)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/10/2026 3:40 PM America/New_York.
Valid through 5/10/2026 11:45 PM America/New_York.
fzus63 kdtx 101940
glflh
expires:202605110345;;343195
open lake forecast for lake huron
national weather service detroit/pontiac mi
340 pm edt sun may 10 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...high pressure, 30.30 inches, holds over the region
through monday maintaining lighter winds. the next low pressure
system moves in late tuesday bringing stronger wind and the next
pattern of showers and thunderstorms.
lhz361-362-110345-
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-
340 pm edt sun may 10 2026
.tonight...northwest winds 10 to 15 knots. waves 2 to 4 feet.
.monday...northwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon.
.monday night...west winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less.
.tuesday...south winds 5 to 10 knots becoming southeast 15 to
20 knots. showers in the afternoon. waves 2 feet or less building
to 5 to 7 feet. waves occasionally around 10 feet.
.tuesday night...southeast winds 20 to 25 knots with gusts to
around 30 knots becoming east 15 to 20 knots after midnight.
showers. waves 8 to 12 feet. waves occasionally around 15 feet.
.wednesday...northeast winds 10 to 15 knots becoming northwest
15 to 20 knots. a chance of showers. waves 5 to 7 feet. waves
occasionally around 10 feet.
.thursday...northwest winds 10 to 15 knots becoming south by
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet .
.friday...south winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and early afternoon...then becoming southeast
15 to 20 knots early in the evening becoming east 10 to 15 knots
by midnight. a chance of showers. waves 1 to 3 feet building to
3 to 5 feet .
$$
(2/10)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/10/2026 3:40 PM America/New_York.
Valid through 5/10/2026 11:45 PM America/New_York.
fzus63 kdtx 101940
glflh
expires:202605110345;;343196
open lake forecast for lake huron
national weather service detroit/pontiac mi
340 pm edt sun may 10 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...high pressure, 30.30 inches, holds over the region
through monday maintaining lighter winds. the next low pressure
system moves in late tuesday bringing stronger wind and the next
pattern of showers and thunderstorms.
lhz363-462>464-110345-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
340 pm edt sun may 10 2026
.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable...then becoming north 5 to 10 knots
after midnight. waves 2 feet or less building to 2 to 4 feet
early in the morning.
.monday...north winds 5 to 10 knots. waves 2 to 4 feet subsiding
to 1 to 3 feet in the late morning and afternoon.
.monday night...light and variable winds. waves 2 feet or less.
.tuesday...south winds 5 to 10 knots becoming southeast 15 to
20 knots. showers in the afternoon. waves 1 to 3 feet building to
3 to 5 feet early in the afternoon.
.tuesday night...southeast winds 20 to 25 knots with gusts to
around 30 knots becoming south 10 to 15 knots after midnight.
showers. waves 6 to 9 feet. waves occasionally around 12 feet.
.wednesday...southwest winds 10 to 15 knots becoming northwest
15 to 20 knots late in the afternoon. a chance of showers. waves
3 to 5 feet.
.thursday...northwest winds 15 to 20 knots becoming north 10 to
15 knots in the late morning and early afternoon...then
decreasing to 5 to 10 knots early in the evening veering to the
southeast by midnight. waves 3 to 5 feet subsiding to 1 to 3 feet
by midnight.
.friday...south winds 5 to 10 knots increasing to 10 to 15 knots
. a chance of showers. waves 2 feet or less building to 2 to
4 feet .
$$
(3/10)
Latest Great Lakes Marine Forecast by KMKX
Issued 5/10/2026 2:43 PM US/Central.
Valid through 5/10/2026 10:15 PM US/Central.
fzus63 kmkx 101943
glflm
expires:202605110315;;343335
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
243 pm cdt sun may 10 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...
high pressure around 30.3 inches is expected to move from
southern manitoba to over lake michigan by late monday morning.
relatively light and variable winds are expected through monday
night. low pressure around 29.7 inches should then move gradually
east southeast across or north of lake superior tuesday into
tuesday night. the low will bring a cold front southeast through
the region. gusty south to southeast winds are expected ahead of
the front tuesday, veering west to northwest behind it and
remaining gusty for tuesday night into wednesday.
high pressure around 30.2 inches should then move southeast into
the region wednesday night into thursday, bringing lighter winds.
lmz261-362-364-366-563-565-567-868-110315-
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-
243 pm cdt sun may 10 2026
sheboygan wi to pentwater mi north...
.tonight...southwest winds 10 to 20 kt veering to north 10 to
15 kt. slight chance of rain showers. waves 1 to 3 ft.
.monday...north winds 10 to 15 kt backing to south. waves 1 to
2 ft.
.monday night...south winds 5 to 10 kt increasing to 10 to 20 kt.
waves 1 to 2 ft.
.tuesday...south winds to 30 kt. rain showers. waves 4 to 7 ft
occasionally to 9 ft building to 7 to 10 ft occasionally to 13 ft.
.tuesday night...southwest winds 15 to 25 kt becoming northwest.
chance of rain showers. waves 6 to 9 ft occasionally to 12 ft
subsiding to 4 to 6 ft occasionally to 8 ft.
.wednesday...northwest winds to 30 kt. chance of rain showers in
the morning. waves 3 to 5 ft.
.wednesday night...north winds to 30 kt becoming northwest 10 to
20 kt. waves 3 to 5 ft subsiding to 2 to 4 ft.
.thursday...northwest winds 10 to 15 kt backing to southwest.
waves 1 to 3 ft.
.friday...south winds to 30 kt. chance of rain showers. waves
6 to 9 ft occasionally to 12 ft.
$$
(4/10)
Latest Great Lakes Marine Forecast by KMKX
Issued 5/10/2026 2:43 PM US/Central.
Valid through 5/10/2026 10:15 PM US/Central.
fzus63 kmkx 101943
glflm
expires:202605110315;;343336
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
243 pm cdt sun may 10 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...
high pressure around 30.3 inches is expected to move from
southern manitoba to over lake michigan by late monday morning.
relatively light and variable winds are expected through monday
night. low pressure around 29.7 inches should then move gradually
east southeast across or north of lake superior tuesday into
tuesday night. the low will bring a cold front southeast through
the region. gusty south to southeast winds are expected ahead of
the front tuesday, veering west to northwest behind it and
remaining gusty for tuesday night into wednesday.
high pressure around 30.2 inches should then move southeast into
the region wednesday night into thursday, bringing lighter winds.
lmz080-669-671-673-675-777-779-870-872-874-876-878-110315-
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-
243 pm cdt sun may 10 2026
sheboygan wi to pentwater mi south...
.tonight...south winds 10 to 20 kt backing to northeast 10 to
15 kt. waves 1 to 2 ft.
.monday...northeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.
.monday night...northeast winds 10 to 15 kt veering to southeast.
waves 1 to 3 ft.
.tuesday...south winds to 30 kt. rain showers in the morning,
then rain showers likely in the afternoon. waves 4 to 7 ft
occasionally to 9 ft building to 7 to 10 ft occasionally to 13 ft.
.tuesday night...southwest winds to 30 kt becoming west 15 to
25 kt. chance of rain showers in the evening. waves 6 to 9 ft
occasionally to 12 ft subsiding to 4 to 6 ft occasionally to
8 ft.
.wednesday...northwest winds to 30 kt. waves 4 to 6 ft
occasionally to 8 ft.
.wednesday night...north winds to 30 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft.
.thursday...northwest winds 10 to 15 kt backing to south 10 to
20 kt. waves 2 to 4 ft.
.friday...south winds 15 to 25 kt increasing to 30 kt. chance of
rain showers. waves 4 to 7 ft occasionally to 9 ft building to
6 to 9 ft occasionally to 12 ft.
$$
(5/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 5/10/2026 4:02 PM America/New_York.
Valid through 5/11/2026 4:00 AM America/New_York.
fzus63 kmqt 102002
glfls
expires:202605110800;;343844
open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun may 10 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 30.2 inch high over manitoba this afternoon shifts southeast into
the upper great lakes at 30.3 inches tonight and monday morning.
ridging from the high persists at around 30.2 inches over lake
superior through monday evening before eventually being replaced by
a 29.7 inch clipper descending over western lake superior on
tuesday. as the clipper continues eastward tuesday night into
wednesday, 30.1 inch high pressure ridging moves back over lake
superior late in the day on wednesday. this ridging is pressed
southeast to the lower great lakes thursday into friday while a 29.4
inch low emanates off the northern rockies. troughing of 29.7 inches
moves over the lake on friday.
lsz162-110800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt sun may 10 2026 /301 pm cdt sun may 10 2026/
.late this afternoon...southwest winds 5 to 15 knots. waves calm
to 2 feet.
.tonight...west winds 5 to 15 knots veering north after midnight,
then veering northeast late. waves calm to 2 feet.
.monday...northeast winds 5 to 15 knots veering southeast in the
afternoon. waves calm to 2 feet.
.monday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. rain showers likely after midnight.
waves building to 1 to 3 feet.
.tuesday...southeast winds 10 to 20 knots veering northwest by
mid afternoon. rain showers through early afternoon, then a
chance of rain showers by mid afternoon. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet.
.tuesday night...northwest winds 10 to 20 knots. a chance of rain
showers. waves subsiding to calm to 2 feet.
.wednesday...northwest winds 10 to 20 knots becoming west 5 to
15 knots by mid afternoon. waves calm to 2 feet.
.wednesday night...west winds 5 to 15 knots becoming south less
than 10 knots after midnight. waves calm to 2 feet.
.thursday...east winds 5 to 15 knots becoming south 10 to
20 knots. a chance of rain showers. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet.
.friday...east winds 10 to 20 knots backing northeast. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet.
$$
(6/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 5/10/2026 4:02 PM America/New_York.
Valid through 5/11/2026 4:00 AM America/New_York.
fzus63 kmqt 102002
glfls
expires:202605110800;;343845
open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun may 10 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 30.2 inch high over manitoba this afternoon shifts southeast into
the upper great lakes at 30.3 inches tonight and monday morning.
ridging from the high persists at around 30.2 inches over lake
superior through monday evening before eventually being replaced by
a 29.7 inch clipper descending over western lake superior on
tuesday. as the clipper continues eastward tuesday night into
wednesday, 30.1 inch high pressure ridging moves back over lake
superior late in the day on wednesday. this ridging is pressed
southeast to the lower great lakes thursday into friday while a 29.4
inch low emanates off the northern rockies. troughing of 29.7 inches
moves over the lake on friday.
lsz263-110800-
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-
401 pm edt sun may 10 2026
.late this afternoon...west winds 5 to 15 knots. scattered rain
showers. waves calm to 2 feet.
.tonight...west winds 5 to 15 knots becoming north less than
10 knots after midnight. waves calm to 2 feet.
.monday...north winds less than 10 knots becoming south 5 to
15 knots in the afternoon. waves calm to 2 feet.
.monday night...southeast winds 5 to 15 knots increasing to 10 to
20 knots late. a chance of rain showers after midnight. waves
building to 2 to 4 feet.
.tuesday...southeast winds 10 to 20 knots veering west by mid
afternoon. rain showers through early afternoon, then a chance of
rain showers by mid afternoon. waves building to 3 to 6 feet
occasionally to 8 feet.
.tuesday night...northwest winds 10 to 20 knots. a chance of rain
showers. waves subsiding to 2 to 4 feet, then building to 3 to
5 feet occasionally to 7 feet.
.wednesday...northwest winds 10 to 20 knots becoming west 5 to
15 knots by mid afternoon. waves subsiding to calm to 2 feet.
.wednesday night...west winds 5 to 15 knots becoming south less
than 10 knots after midnight. waves calm to 2 feet.
.thursday...south winds 5 to 15 knots increasing to 10 to
20 knots. a chance of rain showers. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet.
.friday...east winds 10 to 20 knots becoming northeast 5 to
15 knots. waves subsiding to 1 to 3 feet.
$$
(7/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 5/10/2026 4:02 PM America/New_York.
Valid through 5/11/2026 4:00 AM America/New_York.
fzus63 kmqt 102002
glfls
expires:202605110800;;343846
open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun may 10 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 30.2 inch high over manitoba this afternoon shifts southeast into
the upper great lakes at 30.3 inches tonight and monday morning.
ridging from the high persists at around 30.2 inches over lake
superior through monday evening before eventually being replaced by
a 29.7 inch clipper descending over western lake superior on
tuesday. as the clipper continues eastward tuesday night into
wednesday, 30.1 inch high pressure ridging moves back over lake
superior late in the day on wednesday. this ridging is pressed
southeast to the lower great lakes thursday into friday while a 29.4
inch low emanates off the northern rockies. troughing of 29.7 inches
moves over the lake on friday.
lsz264-110800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt sun may 10 2026
.late this afternoon...west winds 5 to 15 knots. scattered rain
and snow showers. waves calm to 2 feet.
.tonight...west winds 5 to 15 knots veering north late. waves
calm to 2 feet.
.monday...northwest winds less than 10 knots becoming south 5 to
15 knots in the afternoon. waves calm to 2 feet.
.monday night...southeast winds 5 to 15 knots increasing to 10 to
20 knots late. waves building to 2 to 4 feet.
.tuesday...southeast winds 20 to 30 knots. rain showers. waves
building to 5 to 9 feet occasionally to 11 feet.
.tuesday night...north winds 10 to 20 knots. a chance of rain
showers. waves subsiding to 2 to 4 feet.
.wednesday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves subsiding to 1 to 3 feet.
.wednesday night...northwest winds 10 to 20 knots becoming west
5 to 15 knots after midnight. waves subsiding to calm to 2 feet.
.thursday...south winds 10 to 20 knots increasing to 15 to
25 knots. a chance of rain showers. waves building to 3 to 5 feet
occasionally to 7 feet.
.friday...east winds 15 to 25 knots becoming northeast 10 to
20 knots. waves subsiding to 2 to 4 feet.
$$
(8/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 5/10/2026 4:02 PM America/New_York.
Valid through 5/11/2026 4:00 AM America/New_York.
fzus63 kmqt 102002
glfls
expires:202605110800;;343847
open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun may 10 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 30.2 inch high over manitoba this afternoon shifts southeast into
the upper great lakes at 30.3 inches tonight and monday morning.
ridging from the high persists at around 30.2 inches over lake
superior through monday evening before eventually being replaced by
a 29.7 inch clipper descending over western lake superior on
tuesday. as the clipper continues eastward tuesday night into
wednesday, 30.1 inch high pressure ridging moves back over lake
superior late in the day on wednesday. this ridging is pressed
southeast to the lower great lakes thursday into friday while a 29.4
inch low emanates off the northern rockies. troughing of 29.7 inches
moves over the lake on friday.
lsz265-110800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt sun may 10 2026
.late this afternoon...northwest winds 10 to 20 knots. waves calm
to 2 feet.
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves calm to 2 feet.
.monday...northwest winds 5 to 15 knots veering east in the
afternoon. waves calm to 2 feet.
.monday night...southeast winds 10 to 20 knots becoming south
15 to 25 knots late. waves building to 3 to 5 feet occasionally
to 7 feet.
.tuesday...south winds 20 to 30 knots backing southeast by mid
afternoon. rain showers. waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet.
.tuesday night...west winds 15 to 25 knots becoming northwest
20 to 30 knots after midnight. a chance of rain showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
4 to 7 feet occasionally to 9 feet.
.wednesday...northwest winds 20 to 30 knots. a chance of rain
showers through early afternoon. waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet.
.wednesday night...northwest winds 15 to 25 knots becoming west
5 to 15 knots after midnight. waves subsiding to calm to 2 feet.
.thursday...southeast winds 10 to 20 knots becoming south 20 to
30 knots. a chance of rain showers. waves building to 3 to 6 feet
occasionally to 8 feet.
.friday...south winds 20 to 30 knots becoming east 15 to
25 knots. a chance of rain showers. waves subsiding to 2 to
4 feet.
$$
(9/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 5/10/2026 4:02 PM America/New_York.
Valid through 5/11/2026 4:00 AM America/New_York.
fzus63 kmqt 102002
glfls
expires:202605110800;;343848
open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun may 10 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 30.2 inch high over manitoba this afternoon shifts southeast into
the upper great lakes at 30.3 inches tonight and monday morning.
ridging from the high persists at around 30.2 inches over lake
superior through monday evening before eventually being replaced by
a 29.7 inch clipper descending over western lake superior on
tuesday. as the clipper continues eastward tuesday night into
wednesday, 30.1 inch high pressure ridging moves back over lake
superior late in the day on wednesday. this ridging is pressed
southeast to the lower great lakes thursday into friday while a 29.4
inch low emanates off the northern rockies. troughing of 29.7 inches
moves over the lake on friday.
lsz266-110800-
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-
401 pm edt sun may 10 2026
.late this afternoon...northwest winds 10 to 20 knots. waves 1 to
3 feet building to 2 to 4 feet.
.tonight...northwest winds 10 to 20 knots veering north late.
waves subsiding to calm to 2 feet.
.monday...northwest winds 5 to 15 knots veering east late. waves
calm to 2 feet.
.monday night...southeast winds 5 to 15 knots increasing to 10 to
20 knots after midnight, then becoming south 15 to 25 knots late.
waves building to 3 to 5 feet occasionally to 7 feet.
.tuesday...south winds 20 to 30 knots backing southeast by mid
afternoon. rain showers. waves building to 5 to 9 feet
occasionally to 11 feet.
.tuesday night...northwest winds 15 to 25 knots becoming north
20 to 30 knots after midnight. rain showers likely through
midnight, then a chance of rain showers after midnight. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
5 to 8 feet occasionally to 10 feet.
.wednesday...northwest gales to 35 knots. a chance of rain
showers through early afternoon. waves building to 7 to 10 feet
occasionally to 13 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet.
.wednesday night...northwest winds 15 to 25 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet.
.thursday...southeast winds 10 to 20 knots becoming south 20 to
30 knots. a chance of rain showers. waves building to 3 to 6 feet
occasionally to 8 feet.
.friday...south winds 20 to 30 knots becoming east 15 to
25 knots. a chance of rain showers. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 2 to 4 feet.
$$
(10/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 5/10/2026 4:02 PM America/New_York.
Valid through 5/11/2026 4:00 AM America/New_York.
fzus63 kmqt 102002
glfls
expires:202605110800;;343849
open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun may 10 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 30.2 inch high over manitoba this afternoon shifts southeast into
the upper great lakes at 30.3 inches tonight and monday morning.
ridging from the high persists at around 30.2 inches over lake
superior through monday evening before eventually being replaced by
a 29.7 inch clipper descending over western lake superior on
tuesday. as the clipper continues eastward tuesday night into
wednesday, 30.1 inch high pressure ridging moves back over lake
superior late in the day on wednesday. this ridging is pressed
southeast to the lower great lakes thursday into friday while a 29.4
inch low emanates off the northern rockies. troughing of 29.7 inches
moves over the lake on friday.
lsz267-110800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt sun may 10 2026
.late this afternoon...northwest winds 15 to 25 knots. waves 2 to
4 feet.
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
20 knots after midnight, then veering north late. waves subsiding
to calm to 2 feet.
.monday...northwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon, then becoming west 5 to 15 knots late.
waves calm to 2 feet.
.monday night...south winds less than 10 knots becoming southeast
5 to 15 knots after midnight, then increasing to 10 to 20 knots
late. waves calm to 2 feet.
.tuesday...southeast winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. a chance of rain showers through early
afternoon, then rain showers by mid afternoon. waves building to
3 to 6 feet occasionally to 8 feet.
.tuesday night...southeast winds 15 to 25 knots backing north
after midnight. rain showers likely through midnight, then a
chance of rain showers after midnight. waves subsiding to 1 to
3 feet, then building to 3 to 5 feet occasionally to 7 feet.
.wednesday...north winds 15 to 25 knots becoming northwest 20 to
30 knots by mid afternoon. a chance of rain showers. waves
building to 4 to 7 feet occasionally to 9 feet, then subsiding to
3 to 6 feet occasionally to 8 feet.
.wednesday night...northwest winds 15 to 25 knots diminishing to
5 to 15 knots after midnight. waves subsiding to 1 to 3 feet.
.thursday...northwest winds 5 to 15 knots becoming south 15 to
25 knots. waves subsiding to calm to 2 feet, then building to
2 to 4 feet.
.friday...south winds 15 to 25 knots becoming east 10 to
20 knots. a chance of rain showers. waves subsiding to 1 to
3 feet.
$$
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