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(1/12)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/16/2026 3:45 AM America/New_York.
Valid through 7/16/2026 11:45 AM America/New_York.
fzus63 kdtx 160745
glflh
expires:202607161545;;052640
open lake forecast for lake huron
national weather service detroit/pontiac mi
345 am edt thu jul 16 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...canadian wildfire smoke persists today with high
pressure building back in. the next weak low pressure systems
arrive friday bringing another round of showers and thunderstorms,
followed by a secondary low on saturday.
lhz361-362-161545-
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-
345 am edt thu jul 16 2026
...dense smoke advisory in effect until 10 am edt this morning...
.today...northwest winds 10 to 15 knots. smoke. waves 2 to
4 feet.
.tonight...northwest winds 10 to 15 knots becoming north 5 to
10 knots after midnight. smoke in the evening...then areas of
smoke after midnight. waves 3 to 5 feet subsiding to 1 to 3 feet
after midnight.
.friday...east winds 5 to 10 knots. areas of smoke in the
morning. patchy smoke in the afternoon. waves 2 feet or less.
.friday night...east winds 5 to 10 knots becoming southeast 10 to
15 knots in the late evening and overnight. patchy smoke in the
evening. showers likely in the evening...then showers after
midnight. waves 1 to 3 feet.
.saturday...southwest winds 10 to 15 knots becoming west 15 to
20 knots late in the morning...then veering to the northwest with
gusts to around 30 knots late in the afternoon becoming north
10 to 15 knots late in the evening. showers likely in the
morning. a chance of showers late in the morning. waves 3 to
5 feet building to 4 to 6 feet late in the afternoon. waves
occasionally around 8 feet.
.sunday...north winds 10 to 15 knots early in the morning
becoming light and variable...then becoming southwest 5 to
10 knots by midnight. waves 2 to 4 feet subsiding to 1 to 3 feet.
.monday...southwest winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots . a chance of showers
until early evening. rain showers by midnight. waves 1 to 3 feet
building to 5 to 7 feet. waves occasionally around 10 feet.
$$
(2/12)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/16/2026 3:45 AM America/New_York.
Valid through 7/16/2026 11:45 AM America/New_York.
fzus63 kdtx 160745
glflh
expires:202607161545;;052641
open lake forecast for lake huron
national weather service detroit/pontiac mi
345 am edt thu jul 16 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...canadian wildfire smoke persists today with high
pressure building back in. the next weak low pressure systems
arrive friday bringing another round of showers and thunderstorms,
followed by a secondary low on saturday.
lhz363-161545-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
345 am edt thu jul 16 2026
...dense smoke advisory in effect until 10 am edt this morning...
.today...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then becoming
light and variable late in the afternoon. smoke. waves 2 to
4 feet subsiding to 1 to 3 feet in the late morning and
afternoon.
.tonight...light and variable winds becoming northwest 5 to
10 knots by midnight...then becoming light and variable early in
the morning. areas of smoke. waves 1 to 3 feet.
.friday...light and variable winds becoming southeast 5 to
10 knots early in the afternoon. areas of smoke in the morning...
then patchy smoke in the afternoon. waves 2 feet or less.
.friday night...east winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. patchy smoke in the
evening. a chance of showers and thunderstorms in the evening...
then showers likely after midnight. waves 1 to 3 feet.
.saturday...southwest winds 10 to 15 knots becoming northwest
20 to 25 knots with gusts to around 30 knots late in the
afternoon...then becoming north 15 to 20 knots with gusts to
around 30 knots late in the evening. showers likely. a chance of
thunderstorms late in the morning. waves 2 to 4 feet building to
5 to 7 feet late in the afternoon. waves occasionally around
10 feet.
.sunday...north winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then becoming light and
variable early in the evening becoming south 5 to 10 knots by
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet.
.monday...southwest winds 5 to 10 knots increasing to 15 to
20 knots. showers and a chance of thunderstorms early in the
evening. rain showers by midnight. waves 2 feet or less building
to 4 to 6 feet. waves occasionally around 8 feet.
$$
(3/12)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/16/2026 3:45 AM America/New_York.
Valid through 7/16/2026 11:45 AM America/New_York.
fzus63 kdtx 160745
glflh
expires:202607161545;;052642
open lake forecast for lake huron
national weather service detroit/pontiac mi
345 am edt thu jul 16 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...canadian wildfire smoke persists today with high
pressure building back in. the next weak low pressure systems
arrive friday bringing another round of showers and thunderstorms,
followed by a secondary low on saturday.
lhz462>464-161545-
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-
345 am edt thu jul 16 2026
...dense smoke advisory in effect until 10 am edt this morning...
.today...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. smoke. waves 1 to
3 feet.
.tonight...light and variable winds. areas of smoke in the
evening...then patchy smoke after midnight. waves 2 feet or less.
.friday...light and variable winds becoming southeast 5 to
10 knots early in the afternoon. patchy smoke. waves 2 feet or
less.
.friday night...east winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. areas of smoke in the
evening. a chance of showers after midnight. waves 1 to 3 feet.
.saturday...southwest winds 10 to 15 knots becoming north 15 to
20 knots with gusts to around 30 knots late in the afternoon.
showers likely. a chance of thunderstorms late in the morning.
waves 1 to 3 feet building to 4 to 6 feet. waves occasionally
around 8 feet.
.sunday...north winds 10 to 15 knots decreasing to 5 to 10 knots
early in the evening...then veering to the east by midnight.
waves 3 to 5 feet subsiding to 1 to 3 feet by midnight.
.monday...south winds 5 to 10 knots increasing to 15 to 20 knots.
showers likely by midnight. waves 2 feet or less building to 3 to
5 feet .
$$
(4/12)
Latest Great Lakes Marine Forecast by KMKX
Issued 7/16/2026 3:38 AM US/Central.
Valid through 7/16/2026 10:45 AM US/Central.
fzus63 kmkx 160838
glflm
expires:202607161545;;055120
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
338 am cdt thu jul 16 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...
wildfire smoke from northern mn and northwestern ontario will
continue to reduce visibility across the northern third of the
open waters to 1 nm or less at times. thus a marine dense smoke
advisory continues. smoke is expected to continue to spread
southward, but uncertain on how low visibilities will fall for the
southern portions of lake michigan. we may need to expand the
advisory and we will continue to monitor lake visibilities today.
otherwise, lighter winds expected again today as another high
pressure around 30.1 inches briefly builds back into the region
before influence from a low pressure around 29.7 inches developing
over the northern plains pushes eastward through the weekend
bringing more southwesterly flow for friday into saturday. then as
the low tracking northeastward, it will drag a cold front across
the lake resulting in northerly wind shift through the day
saturday with another high pressure building over the region for
sunday. additionally will see periodic shower and thunderstorm
chances across the lake for the end of the week through the
weekend.
lmz080-669-671-673-675-777-779-870-872-874-876-878-161545-
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-
338 am cdt thu jul 16 2026
sheboygan wi to pentwater mi south...
.today...northeast winds 5 to 10 kt increasing to 10 to 15 kt.
patchy smoke. waves 1 to 2 ft.
.tonight...northeast winds 10 to 15 kt becoming east. waves 1 to
2 ft.
.friday...southeast winds 5 to 10 kt becoming south. waves 1 to
2 ft.
.friday night...south winds 10 to 20 kt becoming southwest. waves
1 to 3 ft building to 2 to 4 ft.
.saturday...west winds 15 to 25 kt veering to north to 30 kt.
chance of showers in the afternoon. waves 3 to 5 ft building to
4 to 7 ft occasionally to 9 ft.
.saturday night...north winds to 30 kt becoming northeast 15 to
25 kt. waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to
7 ft occasionally to 9 ft.
.sunday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
waves 3 to 5 ft subsiding to 1 to 3 ft.
.monday...southwest winds 15 to 25 kt becoming south to 30 kt.
waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
$$
(5/12)
Latest Great Lakes Marine Forecast by KMKX
Issued 7/16/2026 3:38 AM US/Central.
Valid through 7/16/2026 10:45 AM US/Central.
fzus63 kmkx 160838
glflm
expires:202607161545;;055118
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
338 am cdt thu jul 16 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...
wildfire smoke from northern mn and northwestern ontario will
continue to reduce visibility across the northern third of the
open waters to 1 nm or less at times. thus a marine dense smoke
advisory continues. smoke is expected to continue to spread
southward, but uncertain on how low visibilities will fall for the
southern portions of lake michigan. we may need to expand the
advisory and we will continue to monitor lake visibilities today.
otherwise, lighter winds expected again today as another high
pressure around 30.1 inches briefly builds back into the region
before influence from a low pressure around 29.7 inches developing
over the northern plains pushes eastward through the weekend
bringing more southwesterly flow for friday into saturday. then as
the low tracking northeastward, it will drag a cold front across
the lake resulting in northerly wind shift through the day
saturday with another high pressure building over the region for
sunday. additionally will see periodic shower and thunderstorm
chances across the lake for the end of the week through the
weekend.
lmz261-362-364-563-161545-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
338 am cdt thu jul 16 2026
sturgeon bay wi to point betsie mi north...
...dense smoke advisory in effect until 10 am cdt this morning...
.today...northwest winds 10 to 15 kt becoming west. patchy smoke
this morning, then areas of smoke this afternoon. waves 1 ft or
less.
.tonight...northwest winds 10 to 15 kt veering to east 5 to
10 kt. patchy smoke in the evening. waves 1 ft or less.
.friday...east winds 5 to 10 kt becoming southeast 10 to 15 kt.
chance of showers. waves 1 to 2 ft.
.friday night...south winds 10 to 20 kt becoming southwest 15 to
25 kt. chance of showers in the evening, then showers with a
chance of thunderstorms overnight. waves 2 to 4 ft.
.saturday...northwest winds to 30 kt becoming north. chance of
showers. waves 3 to 5 ft.
.saturday night...north winds to 30 kt diminishing to 10 to
20 kt. waves 2 to 4 ft subsiding to 1 to 3 ft.
.sunday...north winds 5 to 10 kt backing to southwest 10 to
20 kt. waves 1 to 2 ft.
.monday...southwest winds to 30 kt increasing to gales to 35 kt.
chance of showers. waves 4 to 6 ft occasionally to 8 ft building
to 5 to 8 ft occasionally to 10 ft.
$$
(6/12)
Latest Great Lakes Marine Forecast by KMKX
Issued 7/16/2026 3:38 AM US/Central.
Valid through 7/16/2026 10:45 AM US/Central.
fzus63 kmkx 160838
glflm
expires:202607161545;;055119
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
338 am cdt thu jul 16 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...
wildfire smoke from northern mn and northwestern ontario will
continue to reduce visibility across the northern third of the
open waters to 1 nm or less at times. thus a marine dense smoke
advisory continues. smoke is expected to continue to spread
southward, but uncertain on how low visibilities will fall for the
southern portions of lake michigan. we may need to expand the
advisory and we will continue to monitor lake visibilities today.
otherwise, lighter winds expected again today as another high
pressure around 30.1 inches briefly builds back into the region
before influence from a low pressure around 29.7 inches developing
over the northern plains pushes eastward through the weekend
bringing more southwesterly flow for friday into saturday. then as
the low tracking northeastward, it will drag a cold front across
the lake resulting in northerly wind shift through the day
saturday with another high pressure building over the region for
sunday. additionally will see periodic shower and thunderstorm
chances across the lake for the end of the week through the
weekend.
lmz366-565-567-868-161545-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
338 am cdt thu jul 16 2026
sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...
.today...north winds 5 to 10 kt increasing to 10 to 15 kt. patchy
smoke this morning. waves 1 ft or less.
.tonight...northeast winds 10 to 15 kt veering to southeast 5 to
10 kt. waves 1 ft or less.
.friday...southeast winds 5 to 10 kt becoming south 10 to 15 kt.
waves 1 to 2 ft.
.friday night...south winds 10 to 20 kt becoming southwest. waves
1 to 3 ft building to 2 to 4 ft.
.saturday...west winds 15 to 25 kt becoming north to 30 kt.
chance of showers in the morning. waves 3 to 5 ft building to
4 to 6 ft occasionally to 8 ft.
.saturday night...north winds to 30 kt diminishing to 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft.
.sunday...northeast winds 10 to 15 kt backing to southwest 10 to
20 kt. waves 1 to 3 ft subsiding to 1 to 2 ft.
.monday...southwest winds 15 to 25 kt increasing to 30 kt. chance
of showers. waves 3 to 5 ft building to 4 to 7 ft occasionally to
9 ft.
$$
(7/12)
Latest Great Lakes Marine Forecast by KMQT
Issued 7/16/2026 4:01 AM America/New_York.
Valid through 7/16/2026 4:00 PM America/New_York.
fzus63 kmqt 160801
glfls
expires:202607162000;;052941
open lake forecast for lake superior
national weather service marquette mi
400 am edt thu jul 16 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...
30.1 inch ridging persists over lake superior into friday while
gradually shifting east towards the st. lawrence seaway. low
pressure passing through the northern plains looks to traverse the
the lake at around 29.7 inches friday evening into saturday morning.
following the low, weak 29.9 to 30.0 inch ridging returns to lake
superior late saturday and remains through sunday. afterwards, a
29.5 inch low pressure diving southeast over northern ontario is
looking to bring 29.6 inch troughing over lake superior on monday.
lsz265-162000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt thu jul 16 2026
...dense smoke advisory in effect until 8 am edt friday...
.early this morning...west winds 10 to 20 knots. smoke. waves
calm to 2 feet.
.today...west winds 5 to 15 knots veering north in the afternoon,
then veering northeast late. smoke. waves calm to 2 feet.
.tonight...south winds 5 to 15 knots backing southeast after
midnight, then increasing to 10 to 20 knots late. smoke through
midnight, then patchy smoke after midnight. a slight chance of
showers after midnight. waves calm to 2 feet.
.friday...southeast winds 10 to 20 knots increasing to 15 to
25 knots late. areas of smoke. showers likely and a slight chance
of thunderstorms. waves building to 1 to 3 feet.
.friday night...southeast winds 15 to 25 knots veering northwest
after midnight. areas of smoke through midnight. showers through
midnight. a chance of thunderstorms. a chance of showers after
midnight. waves building to 2 to 4 feet.
.saturday...northwest winds 15 to 25 knots. waves subsiding to
1 to 3 feet.
.saturday night...northwest winds 10 to 20 knots becoming west
5 to 15 knots after midnight. waves subsiding to calm to 2 feet.
.sunday...southeast winds 5 to 15 knots becoming southwest 15 to
25 knots. a chance of showers. waves building to 1 to 3 feet.
.monday...north winds 20 to 30 knots becoming northwest gales to
35 knots. showers likely, then a chance of showers. waves
building to 5 to 8 feet occasionally to 10 feet.
$$
(8/12)
Latest Great Lakes Marine Forecast by KMQT
Issued 7/16/2026 4:01 AM America/New_York.
Valid through 7/16/2026 4:00 PM America/New_York.
fzus63 kmqt 160801
glfls
expires:202607162000;;052942
open lake forecast for lake superior
national weather service marquette mi
400 am edt thu jul 16 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...
30.1 inch ridging persists over lake superior into friday while
gradually shifting east towards the st. lawrence seaway. low
pressure passing through the northern plains looks to traverse the
the lake at around 29.7 inches friday evening into saturday morning.
following the low, weak 29.9 to 30.0 inch ridging returns to lake
superior late saturday and remains through sunday. afterwards, a
29.5 inch low pressure diving southeast over northern ontario is
looking to bring 29.6 inch troughing over lake superior on monday.
lsz266-162000-
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 thu jul 16 2026
...dense smoke advisory in effect until 8 am edt friday...
.early this morning...northwest winds 10 to 20 knots. smoke.
waves calm to 2 feet.
.today...northwest winds 5 to 15 knots. smoke. waves calm to
2 feet.
.tonight...northwest winds 5 to 15 knots backing south after
midnight, then backing southeast late. smoke. a slight chance of
showers after midnight. waves calm to 2 feet.
.friday...southeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. patchy smoke. a chance of showers and
a slight chance of thunderstorms. waves building to 1 to 3 feet,
then subsiding to calm to 2 feet.
.friday night...southeast winds 10 to 20 knots becoming west
15 to 25 knots after midnight. areas of smoke through midnight.
showers through midnight. a chance of thunderstorms. a chance of
showers after midnight. waves building to 2 to 4 feet.
.saturday...northwest winds 15 to 25 knots. waves building to
3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
4 feet.
.saturday night...northwest winds 10 to 20 knots becoming west
5 to 15 knots after midnight. waves subsiding to calm to 2 feet.
.sunday...south winds 5 to 15 knots increasing to 10 to 20 knots.
a chance of showers. waves building to 2 to 4 feet.
.monday...northwest winds 15 to 25 knots becoming north gales to
35 knots. showers likely, then a chance of showers. waves
building to 5 to 8 feet occasionally to 10 feet.
$$
(9/12)
Latest Great Lakes Marine Forecast by KMQT
Issued 7/16/2026 4:01 AM America/New_York.
Valid through 7/16/2026 4:00 PM America/New_York.
fzus63 kmqt 160801
glfls
expires:202607162000;;052943
open lake forecast for lake superior
national weather service marquette mi
400 am edt thu jul 16 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...
30.1 inch ridging persists over lake superior into friday while
gradually shifting east towards the st. lawrence seaway. low
pressure passing through the northern plains looks to traverse the
the lake at around 29.7 inches friday evening into saturday morning.
following the low, weak 29.9 to 30.0 inch ridging returns to lake
superior late saturday and remains through sunday. afterwards, a
29.5 inch low pressure diving southeast over northern ontario is
looking to bring 29.6 inch troughing over lake superior on monday.
lsz267-162000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt thu jul 16 2026
...dense smoke advisory in effect until 8 am edt friday...
.early this morning...west winds 10 to 20 knots. smoke. waves
calm to 2 feet.
.today...northwest winds 5 to 15 knots backing west in the
afternoon, then increasing to 10 to 20 knots late. smoke. waves
calm to 2 feet.
.tonight...northwest winds 5 to 15 knots backing west after
midnight, then backing southeast late. areas of smoke. waves calm
to 2 feet.
.friday...southeast winds 5 to 15 knots increasing to 10 to
20 knots late. patchy smoke. a chance of showers. a slight chance
of thunderstorms by mid afternoon. waves calm to 2 feet.
.friday night...southeast winds 10 to 20 knots veering southwest
after midnight. areas of smoke through midnight. showers and a
chance of thunderstorms. waves calm to 2 feet.
.saturday...northwest winds 15 to 25 knots. waves building to
2 to 4 feet.
.saturday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet.
.sunday...west winds 5 to 15 knots becoming southwest 10 to
20 knots. waves building to 2 to 4 feet.
.monday...northwest winds 15 to 25 knots veering north. showers
likely. waves 2 to 4 feet.
$$
(10/12)
Latest Great Lakes Marine Forecast by KMQT
Issued 7/16/2026 4:01 AM America/New_York.
Valid through 7/16/2026 4:00 PM America/New_York.
fzus63 kmqt 160801
glfls
expires:202607162000;;052938
open lake forecast for lake superior
national weather service marquette mi
400 am edt thu jul 16 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...
30.1 inch ridging persists over lake superior into friday while
gradually shifting east towards the st. lawrence seaway. low
pressure passing through the northern plains looks to traverse the
the lake at around 29.7 inches friday evening into saturday morning.
following the low, weak 29.9 to 30.0 inch ridging returns to lake
superior late saturday and remains through sunday. afterwards, a
29.5 inch low pressure diving southeast over northern ontario is
looking to bring 29.6 inch troughing over lake superior on monday.
lsz162-162000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt thu jul 16 2026 /300 am cdt thu jul 16 2026/
...dense smoke advisory in effect until 8 am edt /7 am cdt/
friday...
.early this morning...west winds less than 10 knots. smoke. waves
calm to 2 feet.
.today...north winds less than 10 knots becoming northeast 5 to
15 knots in the afternoon, then increasing to 10 to 20 knots
late. smoke. waves calm to 2 feet.
.tonight...northeast winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. smoke. a slight chance of showers and
thunderstorms after midnight. waves calm to 2 feet.
.friday...northeast winds 5 to 15 knots increasing to 10 to
20 knots late. areas of smoke. a chance of showers and
thunderstorms. waves calm to 2 feet.
.friday night...northeast winds 5 to 15 knots backing northwest
after midnight. areas of smoke through midnight. showers likely
and a chance of thunderstorms through midnight, then a chance of
showers after midnight. waves calm to 2 feet.
.saturday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet.
.saturday night...west winds 5 to 15 knots. waves calm to 2 feet.
.sunday...southwest winds 5 to 15 knots veering west. a chance of
thunderstorms. waves calm to 2 feet.
.monday...north winds 15 to 25 knots. a chance of thunderstorms.
a chance of showers. waves building to 1 to 3 feet, then
subsiding to calm to 2 feet.
$$
(11/12)
Latest Great Lakes Marine Forecast by KMQT
Issued 7/16/2026 4:01 AM America/New_York.
Valid through 7/16/2026 4:00 PM America/New_York.
fzus63 kmqt 160801
glfls
expires:202607162000;;052939
open lake forecast for lake superior
national weather service marquette mi
400 am edt thu jul 16 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...
30.1 inch ridging persists over lake superior into friday while
gradually shifting east towards the st. lawrence seaway. low
pressure passing through the northern plains looks to traverse the
the lake at around 29.7 inches friday evening into saturday morning.
following the low, weak 29.9 to 30.0 inch ridging returns to lake
superior late saturday and remains through sunday. afterwards, a
29.5 inch low pressure diving southeast over northern ontario is
looking to bring 29.6 inch troughing over lake superior on monday.
lsz263-162000-
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 thu jul 16 2026
...dense smoke advisory in effect until 8 am edt friday...
.early this morning...west winds 5 to 15 knots. smoke. waves calm
to 2 feet.
.today...west winds less than 10 knots becoming northeast 5 to
15 knots in the afternoon. smoke. waves calm to 2 feet.
.tonight...east winds 5 to 15 knots. patchy smoke. a chance of
showers and a slight chance of thunderstorms after midnight.
waves calm to 2 feet.
.friday...southeast winds 5 to 15 knots backing east in the
afternoon. smoke. a chance of showers and thunderstorms. waves
calm to 2 feet.
.friday night...northeast winds 5 to 15 knots backing northwest
after midnight. areas of smoke through midnight. showers likely
through midnight. a chance of thunderstorms. a slight chance of
showers after midnight. waves calm to 2 feet.
.saturday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet.
.saturday night...west winds 5 to 15 knots backing southwest
after midnight. waves calm to 2 feet.
.sunday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. a chance of showers and thunderstorms. waves building
to 1 to 3 feet.
.monday...north winds 15 to 25 knots. a chance of showers. waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet.
$$
(12/12)
Latest Great Lakes Marine Forecast by KMQT
Issued 7/16/2026 4:01 AM America/New_York.
Valid through 7/16/2026 4:00 PM America/New_York.
fzus63 kmqt 160801
glfls
expires:202607162000;;052940
open lake forecast for lake superior
national weather service marquette mi
400 am edt thu jul 16 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...
30.1 inch ridging persists over lake superior into friday while
gradually shifting east towards the st. lawrence seaway. low
pressure passing through the northern plains looks to traverse the
the lake at around 29.7 inches friday evening into saturday morning.
following the low, weak 29.9 to 30.0 inch ridging returns to lake
superior late saturday and remains through sunday. afterwards, a
29.5 inch low pressure diving southeast over northern ontario is
looking to bring 29.6 inch troughing over lake superior on monday.
lsz264-162000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt thu jul 16 2026
...dense smoke advisory in effect until 8 am edt friday...
.early this morning...west winds 5 to 15 knots. smoke. waves calm
to 2 feet.
.today...north winds 5 to 15 knots becoming northeast less than
10 knots in the afternoon, then veering southwest late. smoke.
waves calm to 2 feet.
.tonight...southwest winds 5 to 15 knots backing southeast after
midnight. patchy smoke. a slight chance of showers after
midnight. waves calm to 2 feet.
.friday...southeast winds 5 to 15 knots. patchy smoke through
early afternoon. smoke by mid afternoon. a chance of showers and
a slight chance of thunderstorms. waves calm to 2 feet.
.friday night...east winds 5 to 15 knots backing north after
midnight. areas of smoke through midnight. showers likely and a
chance of thunderstorms through midnight, then a slight chance of
showers after midnight. waves building to 1 to 3 feet, then
subsiding to calm to 2 feet.
.saturday...northwest winds 5 to 15 knots. waves calm to 2 feet.
.saturday night...west winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet.
.sunday...southwest winds 5 to 15 knots becoming west 15 to
25 knots. a chance of showers. waves building to 1 to 3 feet.
.monday...northwest winds 15 to 25 knots. showers likely, then a
chance of showers. waves building to 2 to 4 feet, then subsiding
to calm to 2 feet.
$$
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