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(1/11)
Latest Great Lakes Marine Forecast by KDTX
Issued 6/6/2026 4:01 AM America/New_York.
Valid through 6/6/2026 12:15 PM America/New_York.
fzus63 kdtx 060801
glflh
expires:202606061615;;265461
open lake forecast for lake huron
national weather service detroit/pontiac mi
401 am edt sat jun 6 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...a cold front drops south across the great lakes today.
this leads to isolated shower and thunderstorm chances early this
afternoon, mainly south of lake huron. high pressure returns
sunday and monday.
lhz361-061615-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
401 am edt sat jun 6 2026
.today...west winds 5 to 10 knots increasing to 10 to 15 knots in
the late morning and afternoon. a chance of showers in the
morning. patchy fog in the morning. waves 1 to 3 feet building to
2 to 4 feet late in the afternoon.
.tonight...northwest winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.sunday...north winds 5 to 10 knots early in the morning becoming
light and variable. waves 2 feet or less.
.sunday night...light and variable winds becoming southeast 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.monday...east winds 5 to 10 knots increasing to 10 to 15 knots
late in the morning...then increasing to 15 to 20 knots late in
the afternoon becoming southeast 10 to 15 knots late in the
evening. waves 1 to 3 feet building to 3 to 5 feet.
.tuesday...east winds 10 to 15 knots decreasing to 5 to 10 knots
by midnight. a chance of showers early in the morning. rain
showers likely in the late morning and early afternoon...then a
chance of showers . waves 1 to 3 feet.
.wednesday...northeast winds 5 to 10 knots veering to the
southwest in the late morning and early afternoon...then backing
to the east . a chance of showers early in the morning. waves
2 feet or less.
$$
(2/11)
Latest Great Lakes Marine Forecast by KDTX
Issued 6/6/2026 4:01 AM America/New_York.
Valid through 6/6/2026 12:15 PM America/New_York.
fzus63 kdtx 060801
glflh
expires:202606061615;;265462
open lake forecast for lake huron
national weather service detroit/pontiac mi
401 am edt sat jun 6 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...a cold front drops south across the great lakes today.
this leads to isolated shower and thunderstorm chances early this
afternoon, mainly south of lake huron. high pressure returns
sunday and monday.
lhz362-363-061615-
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-
401 am edt sat jun 6 2026
.today...southwest winds 5 to 10 knots veering to the west in the
late morning and early afternoon...then veering to the west 5 to
10 knots late in the afternoon. a chance of showers and
thunderstorms in the morning. patchy fog in the morning. waves
1 to 3 feet building to 2 to 4 feet late in the afternoon.
.tonight...northwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the morning. waves 3 to 5 feet subsiding to
2 to 4 feet early in the morning.
.sunday...north winds 5 to 10 knots early in the morning becoming
light and variable. waves 1 to 3 feet.
.sunday night...light and variable winds becoming east 5 to
10 knots after midnight. waves 2 feet or less.
.monday...east winds 5 to 10 knots increasing to 10 to 15 knots
late in the afternoon. waves 2 feet or less.
.tuesday...southeast winds 5 to 10 knots. a chance of showers .
waves 1 to 3 feet.
.wednesday...southeast winds 5 to 10 knots veering to the
southwest in the late morning and early afternoon...then backing
to the southeast . a chance of showers early in the morning.
waves 2 feet or less.
$$
(3/11)
Latest Great Lakes Marine Forecast by KDTX
Issued 6/6/2026 4:01 AM America/New_York.
Valid through 6/6/2026 12:15 PM America/New_York.
fzus63 kdtx 060801
glflh
expires:202606061615;;265463
open lake forecast for lake huron
national weather service detroit/pontiac mi
401 am edt sat jun 6 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...a cold front drops south across the great lakes today.
this leads to isolated shower and thunderstorm chances early this
afternoon, mainly south of lake huron. high pressure returns
sunday and monday.
lhz462>464-061615-
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-
401 am edt sat jun 6 2026
.today...southwest winds 10 to 15 knots becoming west 5 to
10 knots in the afternoon. a chance of showers in the morning.
patchy fog in the morning. waves 1 to 3 feet.
.tonight...light and variable winds becoming north 5 to 10 knots
after midnight. waves 2 feet or less.
.sunday...north winds 5 to 10 knots. waves 1 to 3 feet.
.sunday night...north winds 5 to 10 knots veering to the
northeast after midnight. waves 2 feet or less.
.monday...southeast winds 5 to 10 knots. waves 2 feet or less.
.tuesday...southeast winds 5 to 10 knots. showers likely until
early evening. a chance of thunderstorms. a chance of showers by
midnight. waves 1 to 3 feet.
.wednesday...south winds 5 to 10 knots backing to the southeast .
a chance of showers early in the morning. waves 2 feet or less.
$$
(4/11)
Latest Great Lakes Marine Forecast by KMKX
Issued 6/6/2026 3:03 AM US/Central.
Valid through 6/6/2026 10:30 AM US/Central.
fzus63 kmkx 060803
glflm
expires:202606061530;;265584
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
303 am cdt sat jun 6 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 of 29.6 inches will exit ontario this morning as
high pressure of 29.9 inches builds into the upper great lakes.
warm and humid air will linger over the relatively cool waters of
lake michigan with a light wind regime and cause areas of fog
through early afternoon, mainly over the north half. fog may
return tonight into sunday as the high strengthens to 30.0
inches. low pressure develops in the great plains monday,
bringing south- southeasterly winds through at least midweek.
additional chances for thunderstorms develop monday and tuesday.
lmz261-362-364-366-563-565-567-868-061530-
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-
303 am cdt sat jun 6 2026
sheboygan wi to pentwater mi north...
...dense fog advisory in effect until 1 pm cdt this afternoon...
.today...west winds 5 to 10 kt becoming southwest 10 to 20 kt.
areas of dense fog this morning, then patchy fog this afternoon.
waves 1 to 3 ft.
.tonight...north winds 10 to 15 kt becoming northeast. patchy fog
in the evening, then areas of dense fog overnight. waves 1 to
2 ft.
.sunday...northeast winds 5 to 10 kt increasing to 10 to 20 kt.
areas of dense fog in the morning. waves 1 to 2 ft.
.sunday night...northeast winds 10 to 20 kt becoming southeast.
waves 1 to 2 ft building to 2 to 4 ft.
.monday...southeast winds 10 to 20 kt becoming east. waves 3 to
5 ft.
.monday night...east winds 10 to 20 kt becoming southeast.
showers likely. waves 2 to 4 ft.
.tuesday...southeast winds 10 to 15 kt becoming east. chance of
showers. waves 2 to 4 ft.
.wednesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft building to 2 to 4 ft.
$$
(5/11)
Latest Great Lakes Marine Forecast by KMKX
Issued 6/6/2026 3:03 AM US/Central.
Valid through 6/6/2026 10:30 AM US/Central.
fzus63 kmkx 060803
glflm
expires:202606061530;;265585
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
303 am cdt sat jun 6 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 of 29.6 inches will exit ontario this morning as
high pressure of 29.9 inches builds into the upper great lakes.
warm and humid air will linger over the relatively cool waters of
lake michigan with a light wind regime and cause areas of fog
through early afternoon, mainly over the north half. fog may
return tonight into sunday as the high strengthens to 30.0
inches. low pressure develops in the great plains monday,
bringing south- southeasterly winds through at least midweek.
additional chances for thunderstorms develop monday and tuesday.
lmz080-669-671-673-675-777-779-870-872-874-876-878-061530-
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-
303 am cdt sat jun 6 2026
sheboygan wi to pentwater mi south...
.today...west winds 10 to 15 kt backing to east. slight chance of
showers and thunderstorms this morning. patchy fog. waves 1 to
3 ft subsiding to 1 to 2 ft.
.tonight...east winds 5 to 10 kt becoming northeast. patchy fog.
waves 1 ft or less.
.sunday...northeast winds 5 to 10 kt increasing to 10 to 15 kt.
patchy dense fog in the morning. waves 1 to 2 ft.
.sunday night...northeast winds 10 to 15 kt becoming east 10 to
20 kt. waves 1 to 2 ft building to 3 to 5 ft.
.monday...southeast winds 10 to 20 kt. chance of showers in the
afternoon. waves 3 to 5 ft.
.monday night...southeast winds 10 to 20 kt. showers with a
chance of thunderstorms. waves 2 to 4 ft.
.tuesday...south winds 10 to 15 kt. chance of showers. waves 2 to
4 ft.
.wednesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft building to 2 to 4 ft.
$$
(6/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/6/2026 4:00 AM America/New_York.
Valid through 6/6/2026 4:00 PM America/New_York.
fzus63 kmqt 060800
glfls
expires:202606062000;;265374
open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 6 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
a 29.6 inch low south of james bay this morning moves across
southern quebec today, allowing ridging to build to 30.1 inches over
lake superior through sunday morning. meanwhile, a 29.3 inch low
forms over the northern rockies today and stretches into the
northern plains through sunday night. by monday afternoon, expect
lake superior to be between a 29.8 inch trough over minnesota and
30.2 inch high pressure over new england. the troughing weakens to
29.9 inches before moving over lake superior on tuesday. pressure
continues to fall over lake superior through wednesday as a colorado
low lifts through the northern plains towards lake winnipeg,
strengthening to 29.6 inches by wednesday night as the low deepens
to 29.2 inches.
lsz162-062000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt sat jun 6 2026 /300 am cdt sat jun 6 2026/
.early this morning...northwest winds 5 to 15 knots. patchy fog.
waves calm to 2 feet.
.today...west winds 5 to 15 knots backing south in the afternoon,
then backing east late. patchy fog. waves calm to 2 feet.
.tonight...east winds 5 to 15 knots backing northeast after
midnight. patchy fog. waves calm to 2 feet.
.sunday...northeast winds 5 to 15 knots increasing to 15 to
25 knots. patchy fog through early afternoon. waves building to
2 to 4 feet.
.sunday night...northeast winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet.
.monday...east winds 10 to 20 knots backing northeast by mid
afternoon. a chance of showers through early afternoon. showers
likely by mid afternoon. waves subsiding to calm to 2 feet.
.monday night...east winds 5 to 15 knots backing northeast after
midnight. showers likely through midnight. a chance of
thunderstorms. waves calm to 2 feet.
.tuesday...northeast winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet.
.wednesday...northeast winds 10 to 20 knots. a chance of showers.
a chance of thunderstorms. showers likely. waves building to 1 to
3 feet.
$$
(7/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/6/2026 4:00 AM America/New_York.
Valid through 6/6/2026 4:00 PM America/New_York.
fzus63 kmqt 060800
glfls
expires:202606062000;;265379
open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 6 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
a 29.6 inch low south of james bay this morning moves across
southern quebec today, allowing ridging to build to 30.1 inches over
lake superior through sunday morning. meanwhile, a 29.3 inch low
forms over the northern rockies today and stretches into the
northern plains through sunday night. by monday afternoon, expect
lake superior to be between a 29.8 inch trough over minnesota and
30.2 inch high pressure over new england. the troughing weakens to
29.9 inches before moving over lake superior on tuesday. pressure
continues to fall over lake superior through wednesday as a colorado
low lifts through the northern plains towards lake winnipeg,
strengthening to 29.6 inches by wednesday night as the low deepens
to 29.2 inches.
lsz267-062000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt sat jun 6 2026
...dense fog advisory in effect until 11 am edt this morning...
.early this morning...west winds 5 to 15 knots. areas of dense
fog. waves calm to 2 feet.
.today...northwest winds 10 to 20 knots. areas of dense fog.
waves calm to 2 feet.
.tonight...northwest winds 10 to 20 knots becoming west 5 to
15 knots after midnight, then veering northwest late. patchy fog.
waves calm to 2 feet.
.sunday...east winds 5 to 15 knots backing northeast in the
afternoon. patchy fog through early afternoon. waves calm to
2 feet.
.sunday night...southeast winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 1 to 3 feet.
.monday...southeast winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves building to 2 to 4 feet.
.monday night...southeast winds 15 to 25 knots. a chance of
showers after midnight. waves subsiding to 1 to 3 feet.
.tuesday...southeast winds 5 to 15 knots backing east. showers
likely. waves subsiding to calm to 2 feet.
.wednesday...southeast winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 2 to 4 feet.
$$
(8/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/6/2026 4:00 AM America/New_York.
Valid through 6/6/2026 4:00 PM America/New_York.
fzus63 kmqt 060800
glfls
expires:202606062000;;265375
open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 6 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
a 29.6 inch low south of james bay this morning moves across
southern quebec today, allowing ridging to build to 30.1 inches over
lake superior through sunday morning. meanwhile, a 29.3 inch low
forms over the northern rockies today and stretches into the
northern plains through sunday night. by monday afternoon, expect
lake superior to be between a 29.8 inch trough over minnesota and
30.2 inch high pressure over new england. the troughing weakens to
29.9 inches before moving over lake superior on tuesday. pressure
continues to fall over lake superior through wednesday as a colorado
low lifts through the northern plains towards lake winnipeg,
strengthening to 29.6 inches by wednesday night as the low deepens
to 29.2 inches.
lsz263-062000-
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 6 2026
...dense fog advisory in effect until 11 am edt this morning...
.early this morning...northwest winds 5 to 15 knots. patchy dense
fog. waves calm to 2 feet.
.today...west winds less than 10 knots backing southwest in the
afternoon, then becoming east 5 to 15 knots late. patchy dense
fog. waves calm to 2 feet.
.tonight...east winds 5 to 15 knots. patchy fog. waves calm to
2 feet.
.sunday...east winds 5 to 15 knots becoming northeast 10 to
20 knots in the afternoon, then veering east late. patchy fog
through early afternoon. waves building to 2 to 4 feet.
.sunday night...east winds 10 to 20 knots becoming southeast 5 to
15 knots after midnight. waves subsiding to calm to 2 feet.
.monday...east winds 5 to 15 knots. a chance of showers. waves
building to 2 to 4 feet.
.monday night...southeast winds 5 to 15 knots. showers likely.
waves subsiding to calm to 2 feet.
.tuesday...northeast winds 5 to 15 knots veering east. waves calm
to 2 feet.
.wednesday...east winds 10 to 20 knots veering south. a chance of
showers. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet.
$$
(9/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/6/2026 4:00 AM America/New_York.
Valid through 6/6/2026 4:00 PM America/New_York.
fzus63 kmqt 060800
glfls
expires:202606062000;;265376
open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 6 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
a 29.6 inch low south of james bay this morning moves across
southern quebec today, allowing ridging to build to 30.1 inches over
lake superior through sunday morning. meanwhile, a 29.3 inch low
forms over the northern rockies today and stretches into the
northern plains through sunday night. by monday afternoon, expect
lake superior to be between a 29.8 inch trough over minnesota and
30.2 inch high pressure over new england. the troughing weakens to
29.9 inches before moving over lake superior on tuesday. pressure
continues to fall over lake superior through wednesday as a colorado
low lifts through the northern plains towards lake winnipeg,
strengthening to 29.6 inches by wednesday night as the low deepens
to 29.2 inches.
lsz264-062000-
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 6 2026
...dense fog advisory in effect until 11 am edt this morning...
.early this morning...northwest winds less than 10 knots. areas
of dense fog. waves calm to 2 feet.
.today...northwest winds 5 to 15 knots backing west in the
afternoon. areas of dense fog. waves calm to 2 feet.
.tonight...west winds 5 to 15 knots diminishing to less than
10 knots after midnight, then backing east late. patchy fog.
waves calm to 2 feet.
.sunday...southeast winds 5 to 15 knots backing east in the
afternoon. patchy fog through early afternoon. waves calm to
2 feet.
.sunday night...southeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves building to 1 to 3 feet, then
subsiding to calm to 2 feet.
.monday...southeast winds 10 to 20 knots. waves building to 2 to
4 feet.
.monday night...southeast winds 10 to 20 knots becoming south
5 to 15 knots after midnight. a chance of showers through
midnight. showers likely after midnight. waves subsiding to 1 to
3 feet.
.tuesday...east winds 5 to 15 knots veering southeast. waves
subsiding to calm to 2 feet.
.wednesday...southeast winds 10 to 20 knots. a chance of showers.
waves building to 3 to 5 feet occasionally to 7 feet.
$$
(10/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/6/2026 4:00 AM America/New_York.
Valid through 6/6/2026 4:00 PM America/New_York.
fzus63 kmqt 060800
glfls
expires:202606062000;;265377
open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 6 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
a 29.6 inch low south of james bay this morning moves across
southern quebec today, allowing ridging to build to 30.1 inches over
lake superior through sunday morning. meanwhile, a 29.3 inch low
forms over the northern rockies today and stretches into the
northern plains through sunday night. by monday afternoon, expect
lake superior to be between a 29.8 inch trough over minnesota and
30.2 inch high pressure over new england. the troughing weakens to
29.9 inches before moving over lake superior on tuesday. pressure
continues to fall over lake superior through wednesday as a colorado
low lifts through the northern plains towards lake winnipeg,
strengthening to 29.6 inches by wednesday night as the low deepens
to 29.2 inches.
lsz265-062000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt sat jun 6 2026
...dense fog advisory in effect until 11 am edt this morning...
.early this morning...northwest winds 5 to 15 knots. areas of
dense fog. waves calm to 2 feet.
.today...northwest winds 5 to 15 knots. patchy dense fog. waves
calm to 2 feet.
.tonight...north winds less than 10 knots becoming east 5 to
15 knots after midnight. patchy dense fog. waves calm to 2 feet.
.sunday...east winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon. patchy fog through early afternoon. waves
building to 1 to 3 feet.
.sunday night...southeast winds 10 to 20 knots. waves subsiding
to calm to 2 feet.
.monday...southeast winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet.
.monday night...southeast winds 15 to 25 knots diminishing to
5 to 15 knots after midnight. a chance of showers through
midnight. showers likely after midnight. waves subsiding to 1 to
3 feet.
.tuesday...southeast winds 5 to 15 knots. a chance of showers.
waves subsiding to calm to 2 feet.
.wednesday...southeast winds 15 to 25 knots veering south. a
chance of showers. waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to 2 to 4 feet.
$$
(11/11)
Latest Great Lakes Marine Forecast by KMQT
Issued 6/6/2026 4:00 AM America/New_York.
Valid through 6/6/2026 4:00 PM America/New_York.
fzus63 kmqt 060800
glfls
expires:202606062000;;265378
open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 6 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
a 29.6 inch low south of james bay this morning moves across
southern quebec today, allowing ridging to build to 30.1 inches over
lake superior through sunday morning. meanwhile, a 29.3 inch low
forms over the northern rockies today and stretches into the
northern plains through sunday night. by monday afternoon, expect
lake superior to be between a 29.8 inch trough over minnesota and
30.2 inch high pressure over new england. the troughing weakens to
29.9 inches before moving over lake superior on tuesday. pressure
continues to fall over lake superior through wednesday as a colorado
low lifts through the northern plains towards lake winnipeg,
strengthening to 29.6 inches by wednesday night as the low deepens
to 29.2 inches.
lsz266-062000-
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 6 2026
...dense fog advisory in effect until 11 am edt this morning...
.early this morning...northwest winds 5 to 15 knots. areas of
dense fog. waves calm to 2 feet.
.today...northwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon, then diminishing to 5 to 15 knots
late. areas of dense fog. waves calm to 2 feet.
.tonight...northwest winds 5 to 15 knots veering north after
midnight, then veering east late. patchy fog through midnight,
then areas of dense fog after midnight. waves calm to 2 feet.
.sunday...east winds 5 to 15 knots. patchy fog through early
afternoon. waves calm to 2 feet.
.sunday night...southeast winds 10 to 20 knots. waves building to
1 to 3 feet.
.monday...southeast winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves building to 2 to 4 feet.
.monday night...southeast winds 10 to 20 knots. showers likely
after midnight. waves subsiding to 1 to 3 feet.
.tuesday...southeast winds 5 to 15 knots. a chance of showers.
waves subsiding to calm to 2 feet.
.wednesday...southeast winds 15 to 25 knots veering south. waves
building to 3 to 5 feet occasionally to 7 feet.
$$
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