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(1/11)
Latest Great Lakes Marine Forecast by KDTX
Issued 6/27/2026 4:05 AM America/New_York.
Valid through 6/27/2026 12:15 PM America/New_York.
fzus63 kdtx 270805
glflh
expires:202606271615;;982352
open lake forecast for lake huron
national weather service detroit/pontiac mi
405 am edt sat jun 27 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...area of high pressure, 30.10 inches, has built across
the region and will persist through the weekend. strong low
pressure, 29.40 inches, over the northern plains, will pull a
warm front up through the region on monday.
lhz361-271615-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
405 am edt sat jun 27 2026
.today...light and variable winds. patchy fog in the morning.
waves 2 feet or less.
.tonight...light and variable winds. waves 2 feet or less.
.sunday...light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. waves 2 feet or less.
.sunday night...east winds 10 to 15 knots becoming southeast 5 to
10 knots by midnight...then increasing to 10 to 15 knots after
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.
.monday...southeast winds 10 to 15 knots increasing to 15 to
20 knots late in the morning...then decreasing to 10 to 15 knots
late in the evening. a chance of showers. waves 2 to 4 feet
building to 4 to 6 feet. waves occasionally around 8 feet.
.tuesday...south winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then veering to the
south 5 to 10 knots early in the evening backing to the southwest
by midnight. a chance of showers by midnight. waves 3 to 5 feet
subsiding to 1 to 3 feet.
.wednesday...southwest winds 10 to 15 knots becoming west 5 to
10 knots by midnight. a chance of showers early in the morning. a
chance of showers by midnight. waves 1 to 3 feet.
$$
(2/11)
Latest Great Lakes Marine Forecast by KDTX
Issued 6/27/2026 4:05 AM America/New_York.
Valid through 6/27/2026 12:15 PM America/New_York.
fzus63 kdtx 270805
glflh
expires:202606271615;;982353
open lake forecast for lake huron
national weather service detroit/pontiac mi
405 am edt sat jun 27 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...area of high pressure, 30.10 inches, has built across
the region and will persist through the weekend. strong low
pressure, 29.40 inches, over the northern plains, will pull a
warm front up through the region on monday.
lhz362-363-271615-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
405 am edt sat jun 27 2026
.today...light and variable winds. patchy fog in the morning.
waves 2 feet or less.
.tonight...light and variable winds. waves 2 feet or less.
.sunday...light and variable winds. waves 2 feet or less.
.sunday night...light and variable winds becoming east 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.monday...southeast winds 5 to 10 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet.
.tuesday...south winds 10 to 15 knots. waves 3 to 5 feet.
.wednesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then backing
to the south early in the evening veering to the southwest by
midnight. waves 1 to 3 feet.
$$
(3/11)
Latest Great Lakes Marine Forecast by KDTX
Issued 6/27/2026 4:05 AM America/New_York.
Valid through 6/27/2026 12:15 PM America/New_York.
fzus63 kdtx 270805
glflh
expires:202606271615;;982354
open lake forecast for lake huron
national weather service detroit/pontiac mi
405 am edt sat jun 27 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...area of high pressure, 30.10 inches, has built across
the region and will persist through the weekend. strong low
pressure, 29.40 inches, over the northern plains, will pull a
warm front up through the region on monday.
lhz462>464-271615-
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-
405 am edt sat jun 27 2026
.today...light and variable winds becoming north 5 to 10 knots in
the late morning and afternoon. patchy fog in the morning. waves
2 feet or less.
.tonight...north winds 5 to 10 knots becoming light and
variable. waves 2 feet or less.
.sunday...light and variable winds becoming north 5 to 10 knots
early in the afternoon. waves 2 feet or less.
.sunday night...northeast winds 5 to 10 knots veering to the
southeast after midnight. waves 2 feet or less.
.monday...southeast winds 5 to 10 knots increasing to 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet late in the
afternoon.
.tuesday...southwest winds 10 to 15 knots. waves 2 to 4 feet.
.wednesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots. waves 1 to 3 feet.
$$
(4/11)
Latest Great Lakes Marine Forecast by KMKX
Issued 6/27/2026 3:09 AM US/Central.
Valid through 6/27/2026 10:15 AM US/Central.
fzus63 kmkx 270809
glflm
expires:202606271515;;982823
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
309 am cdt sat jun 27 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 30.1 inches is expected to linger across the
great lakes through tonight, with light north to northeast winds.
patchy fog is possible, especially across the northern two-thirds
of the lake. low pressure will deepen to 29.3 inches over the
central plains sunday, shifting winds to southeasterly. winds
shift southerly and increase into monday as low pressure lifts
into the canadian prairies. gusty southerly winds will continue
through at least wednesday as low pressure stalls, but gales are
not expected at this time.
lmz261-362-364-366-563-565-567-868-271515-
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-
309 am cdt sat jun 27 2026
sheboygan wi to pentwater mi north...
.today...northeast winds 5 to 10 kt becoming north 10 to 20 kt
this afternoon. patchy fog this morning. waves 1 to 2 ft.
.tonight...northeast winds 10 to 20 kt diminishing to 5 to 10 kt
late in the evening, then becoming east after midnight becoming
southeast 10 to 15 kt late. waves 1 to 2 ft.
.sunday...southeast winds 10 to 15 kt becoming east 10 to 20 kt.
waves 1 to 3 ft.
.sunday night...east winds 10 to 20 kt becoming southeast to
30 kt overnight. chance of showers in the evening, then showers
likely overnight. waves 2 to 4 ft building to 4 to 7 ft
occasionally to 9 ft.
.monday...southeast winds to 30 kt becoming south. chance of
showers in the morning. waves 4 to 7 ft occasionally to 9 ft
building to 5 to 8 ft occasionally to 10 ft.
.monday night...south winds to 30 kt. waves 6 to 9 ft
occasionally to 12 ft subsiding to 4 to 7 ft occasionally to
9 ft.
.tuesday...south winds to 30 kt. waves 4 to 7 ft occasionally to
9 ft.
.wednesday...southwest winds 15 to 25 kt becoming south. waves
3 to 5 ft.
$$
(5/11)
Latest Great Lakes Marine Forecast by KMKX
Issued 6/27/2026 3:09 AM US/Central.
Valid through 6/27/2026 10:15 AM US/Central.
fzus63 kmkx 270809
glflm
expires:202606271515;;982824
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
309 am cdt sat jun 27 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 30.1 inches is expected to linger across the
great lakes through tonight, with light north to northeast winds.
patchy fog is possible, especially across the northern two-thirds
of the lake. low pressure will deepen to 29.3 inches over the
central plains sunday, shifting winds to southeasterly. winds
shift southerly and increase into monday as low pressure lifts
into the canadian prairies. gusty southerly winds will continue
through at least wednesday as low pressure stalls, but gales are
not expected at this time.
lmz080-669-671-673-675-777-779-870-872-874-876-878-271515-
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-
309 am cdt sat jun 27 2026
sheboygan wi to pentwater mi south...
.today...east winds 10 to 15 kt becoming north 10 to 20 kt. waves
1 to 2 ft.
.tonight...north winds 10 to 20 kt veering to east 10 to 15 kt.
waves 1 to 3 ft.
.sunday...southeast winds 10 to 20 kt. waves 2 to 4 ft.
.sunday night...southeast winds 15 to 25 kt increasing to 30 kt.
chance of showers overnight. waves 3 to 5 ft building to 4 to
7 ft occasionally to 9 ft.
.monday...south winds to 30 kt. waves 4 to 7 ft occasionally to
9 ft building to 5 to 8 ft occasionally to 10 ft.
.monday night...south winds to 30 kt diminishing to 15 to 25 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft.
.tuesday...south winds 15 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft.
.wednesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 2 to 4 ft.
$$
(6/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/27/2026 4:01 AM America/New_York.
Valid through 6/27/2026 4:00 PM America/New_York.
fzus63 kmqt 270801
glfls
expires:202606272000;;982081
open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 27 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...
through this afternoon, 30.1 inch high will extend from the upper
great lakes to eastern hudson bay while low pressure of at least
29.5 inches develops over the high plains. into sunday morning, the
low consolidates to around 29.4 inches over southern saskatchewan as
the high retreats to hudson bay, remaining at 30.1 inches. the low
pushes into manitoba and the dakotas early monday morning while the
high shifts southeast to just east of the lower great lakes. tuesday
into wednesday, the low moves through northern ontario at around
29.5 inches as 30.1 inch high pressure extends over much of the east
coast. by thursday morning, the low will move east through quebec
while 30.1 inch high pressure builds south of the great lakes.
lsz267-272000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt sat jun 27 2026
.early this morning...north winds less than 10 knots. areas of
dense fog. waves calm to 2 feet.
.today...northeast winds less than 10 knots backing north in the
afternoon, then increasing to 5 to 15 knots late. areas of dense
fog through early afternoon. waves calm to 2 feet.
.tonight...east winds less than 10 knots increasing to 5 to
15 knots late. waves calm to 2 feet.
.sunday...east winds 5 to 15 knots increasing to 10 to 20 knots
late. waves calm to 2 feet.
.sunday night...southeast winds 15 to 25 knots. a chance of
showers. waves building to 3 to 5 feet occasionally to 7 feet.
.monday...southeast winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. a chance of showers. waves building to
3 to 6 feet occasionally to 8 feet.
.monday night...southeast winds 15 to 25 knots veering south
after midnight. a chance of showers. waves subsiding to 2 to
4 feet.
.tuesday...south winds 10 to 20 knots. a chance of showers and
thunderstorms. waves subsiding to calm to 2 feet, then building
to 1 to 3 feet.
.wednesday...southwest winds 5 to 15 knots backing south. a
chance of showers. waves subsiding to calm to 2 feet.
$$
(7/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/27/2026 4:01 AM America/New_York.
Valid through 6/27/2026 4:00 PM America/New_York.
fzus63 kmqt 270801
glfls
expires:202606272000;;982080
open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 27 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...
through this afternoon, 30.1 inch high will extend from the upper
great lakes to eastern hudson bay while low pressure of at least
29.5 inches develops over the high plains. into sunday morning, the
low consolidates to around 29.4 inches over southern saskatchewan as
the high retreats to hudson bay, remaining at 30.1 inches. the low
pushes into manitoba and the dakotas early monday morning while the
high shifts southeast to just east of the lower great lakes. tuesday
into wednesday, the low moves through northern ontario at around
29.5 inches as 30.1 inch high pressure extends over much of the east
coast. by thursday morning, the low will move east through quebec
while 30.1 inch high pressure builds south of the great lakes.
lsz266-272000-
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 am edt sat jun 27 2026
.early this morning...southeast winds 5 to 15 knots. areas of
dense fog. waves calm to 2 feet.
.today...east winds less than 10 knots increasing to 5 to
15 knots late. areas of dense fog through early afternoon. waves
calm to 2 feet.
.tonight...east winds 5 to 15 knots veering southeast after
midnight. waves calm to 2 feet.
.sunday...east winds 10 to 20 knots increasing to 15 to 25 knots
late. waves building to 2 to 4 feet.
.sunday night...southeast winds 15 to 25 knots increasing to
20 to 30 knots after midnight. a chance of showers through
midnight, then showers likely and a slight chance of
thunderstorms after midnight. waves building to 3 to 6 feet
occasionally to 8 feet.
.monday...southeast winds 20 to 30 knots. a chance of showers.
waves 3 to 6 feet occasionally to 8 feet.
.monday night...southeast winds 20 to 30 knots becoming south
15 to 25 knots after midnight. a chance of showers and
thunderstorms. waves subsiding to 3 to 5 feet occasionally to
7 feet.
.tuesday...southwest winds 10 to 20 knots increasing to 15 to
25 knots. a chance of showers and thunderstorms. waves subsiding
to calm to 2 feet, then building to 1 to 3 feet.
.wednesday...southwest winds 5 to 15 knots. a chance of showers.
waves subsiding to calm to 2 feet.
$$
(8/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/27/2026 4:01 AM America/New_York.
Valid through 6/27/2026 4:00 PM America/New_York.
fzus63 kmqt 270801
glfls
expires:202606272000;;982076
open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 27 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...
through this afternoon, 30.1 inch high will extend from the upper
great lakes to eastern hudson bay while low pressure of at least
29.5 inches develops over the high plains. into sunday morning, the
low consolidates to around 29.4 inches over southern saskatchewan as
the high retreats to hudson bay, remaining at 30.1 inches. the low
pushes into manitoba and the dakotas early monday morning while the
high shifts southeast to just east of the lower great lakes. tuesday
into wednesday, the low moves through northern ontario at around
29.5 inches as 30.1 inch high pressure extends over much of the east
coast. by thursday morning, the low will move east through quebec
while 30.1 inch high pressure builds south of the great lakes.
lsz162-272000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt sat jun 27 2026 /300 am cdt sat jun 27 2026/
.early this morning...east winds 5 to 15 knots. waves calm to
2 feet.
.today...east winds 5 to 15 knots becoming northeast 10 to
20 knots in the afternoon. waves calm to 2 feet.
.tonight...northeast winds 10 to 20 knots veering east late.
waves building to 1 to 3 feet, then subsiding to calm to 2 feet.
.sunday...east winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. a chance of showers by mid afternoon. waves
building to 2 to 4 feet.
.sunday night...east winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. showers and a chance of thunderstorms.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 1 to 3 feet.
.monday...northeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a chance of showers and thunderstorms.
waves building to 2 to 4 feet.
.monday night...northeast winds 15 to 25 knots becoming southwest
5 to 15 knots after midnight. a chance of showers. waves
subsiding to 1 to 3 feet.
.tuesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. a chance of showers and thunderstorms. waves subsiding
to calm to 2 feet.
.wednesday...southwest winds 10 to 20 knots becoming west 5 to
15 knots. a chance of showers and thunderstorms. waves building
to 1 to 3 feet, then subsiding to calm to 2 feet.
$$
(9/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/27/2026 4:01 AM America/New_York.
Valid through 6/27/2026 4:00 PM America/New_York.
fzus63 kmqt 270801
glfls
expires:202606272000;;982077
open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 27 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...
through this afternoon, 30.1 inch high will extend from the upper
great lakes to eastern hudson bay while low pressure of at least
29.5 inches develops over the high plains. into sunday morning, the
low consolidates to around 29.4 inches over southern saskatchewan as
the high retreats to hudson bay, remaining at 30.1 inches. the low
pushes into manitoba and the dakotas early monday morning while the
high shifts southeast to just east of the lower great lakes. tuesday
into wednesday, the low moves through northern ontario at around
29.5 inches as 30.1 inch high pressure extends over much of the east
coast. by thursday morning, the low will move east through quebec
while 30.1 inch high pressure builds south of the great lakes.
lsz263-272000-
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 am edt sat jun 27 2026
.early this morning...east winds less than 10 knots. waves calm
to 2 feet.
.today...east winds 5 to 15 knots backing northeast in the
afternoon, then increasing to 10 to 20 knots late. waves calm to
2 feet.
.tonight...east winds 10 to 20 knots becoming southeast 5 to
15 knots after midnight. waves building to 1 to 3 feet, then
subsiding to calm to 2 feet.
.sunday...east winds 5 to 15 knots increasing to 15 to 25 knots.
a slight chance of showers by mid afternoon. waves building to
2 to 4 feet.
.sunday night...east winds 15 to 25 knots veering southeast after
midnight. showers likely and a slight chance of thunderstorms.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet.
.monday...southeast winds 5 to 15 knots becoming east 10 to
20 knots by mid afternoon. waves 2 to 4 feet.
.monday night...east winds 10 to 20 knots veering southwest after
midnight. a chance of showers and thunderstorms. 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. a chance of showers
and thunderstorms. waves subsiding to 1 to 3 feet.
.wednesday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots. a chance of showers and thunderstorms. waves subsiding
to calm to 2 feet.
$$
(10/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/27/2026 4:01 AM America/New_York.
Valid through 6/27/2026 4:00 PM America/New_York.
fzus63 kmqt 270801
glfls
expires:202606272000;;982078
open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 27 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...
through this afternoon, 30.1 inch high will extend from the upper
great lakes to eastern hudson bay while low pressure of at least
29.5 inches develops over the high plains. into sunday morning, the
low consolidates to around 29.4 inches over southern saskatchewan as
the high retreats to hudson bay, remaining at 30.1 inches. the low
pushes into manitoba and the dakotas early monday morning while the
high shifts southeast to just east of the lower great lakes. tuesday
into wednesday, the low moves through northern ontario at around
29.5 inches as 30.1 inch high pressure extends over much of the east
coast. by thursday morning, the low will move east through quebec
while 30.1 inch high pressure builds south of the great lakes.
lsz264-272000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt sat jun 27 2026
.early this morning...southeast winds less than 10 knots. patchy
fog. waves calm to 2 feet.
.today...east winds less than 10 knots increasing to 5 to
15 knots in the afternoon. patchy fog through early afternoon.
waves calm to 2 feet.
.tonight...east winds 5 to 15 knots veering southeast after
midnight. waves calm to 2 feet.
.sunday...east winds 5 to 15 knots increasing to 15 to 25 knots.
waves building to 2 to 4 feet.
.sunday night...southeast winds 15 to 25 knots. a chance of
showers through midnight, then showers likely and a slight chance
of thunderstorms after midnight. waves building to 3 to 6 feet
occasionally to 8 feet.
.monday...southeast winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves 3 to 6 feet occasionally to
8 feet.
.monday night...southeast winds 10 to 20 knots veering south
after midnight. showers likely through midnight. a chance of
thunderstorms. a chance of showers after midnight. waves
subsiding to 3 to 5 feet occasionally to 7 feet.
.tuesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. a chance of showers and thunderstorms. waves subsiding
to 1 to 3 feet.
.wednesday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots. a chance of showers. waves subsiding to calm to 2 feet.
$$
(11/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/27/2026 4:01 AM America/New_York.
Valid through 6/27/2026 4:00 PM America/New_York.
fzus63 kmqt 270801
glfls
expires:202606272000;;982079
open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 27 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...
through this afternoon, 30.1 inch high will extend from the upper
great lakes to eastern hudson bay while low pressure of at least
29.5 inches develops over the high plains. into sunday morning, the
low consolidates to around 29.4 inches over southern saskatchewan as
the high retreats to hudson bay, remaining at 30.1 inches. the low
pushes into manitoba and the dakotas early monday morning while the
high shifts southeast to just east of the lower great lakes. tuesday
into wednesday, the low moves through northern ontario at around
29.5 inches as 30.1 inch high pressure extends over much of the east
coast. by thursday morning, the low will move east through quebec
while 30.1 inch high pressure builds south of the great lakes.
lsz265-272000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt sat jun 27 2026
.early this morning...southeast winds 5 to 15 knots. patchy fog.
waves calm to 2 feet.
.today...southeast winds 5 to 15 knots backing east in the
afternoon, then increasing to 10 to 20 knots late. waves calm to
2 feet.
.tonight...southeast winds 5 to 15 knots. waves calm to 2 feet.
.sunday...east winds 10 to 20 knots increasing to 20 to 30 knots.
waves building to 3 to 5 feet occasionally to 7 feet.
.sunday night...southeast winds 20 to 30 knots. a chance of
showers through midnight, then showers likely and a slight chance
of thunderstorms after midnight. waves subsiding to 2 to 4 feet,
then building to 3 to 6 feet occasionally to 8 feet.
.monday...southeast winds 15 to 25 knots. waves 3 to 6 feet
occasionally to 8 feet.
.monday night...southeast winds 20 to 30 knots becoming south
15 to 25 knots after midnight. a chance of thunderstorms through
midnight. a chance of showers. waves subsiding to 1 to 3 feet.
.tuesday...southwest winds 10 to 20 knots increasing to 15 to
25 knots. a chance of showers and thunderstorms. waves subsiding
to calm to 2 feet.
.wednesday...southwest winds 10 to 20 knots. a chance of showers.
waves calm to 2 feet.
$$
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