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(1/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 9/13/2026 10:01 AM America/New_York.
Valid through 9/13/2026 5:00 PM America/New_York.
fzus61 kbuf 131401
glflo
expires:202609132100;;383210
open lake forecast for lake ontario
national weather service buffalo ny
1001 am edt sun sep 13 2026
for waters beyond five nautical miles of shore on lake ontario
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 moves eastward across the lake today.
behind the cold front, a ridge averaging 30.2 inches will slide
eastward across the lower great lakes through monday. the ridge
should exit toward new england on tuesday and allow a warm front to
sweep northeastward across the lake. a cold front should sweep
eastward across the lake on wednesday and be followed by a ridge
averaging 30.1 inches and building from the upper midwest through
thursday.
loz063>065-132100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1001 am edt sun sep 13 2026
.this afternoon...southwest winds 5 to 15 knots becoming west. a
chance of showers late. waves 1 to 3 feet.
.tonight...west winds 15 to 20 knots becoming northwest. a chance
of showers late in the evening. waves 1 to 3 feet building to
3 to 6 feet.
.monday...north winds 15 to 20 knots becoming northwest and
diminishing to 5 to 10 knots. waves 3 to 5 feet subsiding to 1 to
3 feet.
.monday night...northwest winds 10 knots or less becoming south
10 to 15 knots. waves 1 foot or less.
.tuesday...south winds 15 to 25 knots. showers likely tuesday
night. waves 2 to 4 feet building to 3 to 5 feet.
.wednesday...southwest winds 5 to 15 knots becoming northeast.
showers likely during the day, then a chance of showers wednesday
night. waves 1 to 3 feet subsiding to 1 foot or less.
.thursday...east winds 5 to 15 knots becoming north. a chance of
showers. waves 2 feet or less.
$$
(2/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 9/13/2026 10:01 AM America/New_York.
Valid through 9/13/2026 5:00 PM America/New_York.
fzus61 kbuf 131401
glflo
expires:202609132100;;383209
open lake forecast for lake ontario
national weather service buffalo ny
1001 am edt sun sep 13 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a cold front moves eastward across the lake today.
behind the cold front, a ridge averaging 30.2 inches will slide
eastward across the lower great lakes through monday. the ridge
should exit toward new england on tuesday and allow a warm front to
sweep northeastward across the lake. a cold front should sweep
eastward across the lake on wednesday and be followed by a ridge
averaging 30.1 inches and building from the upper midwest through
thursday.
loz062-132100-
lake ontario open waters from the niagara river to hamlin beach-
1001 am edt sun sep 13 2026
.this afternoon...west winds 5 to 15 knots. waves 2 feet or less.
.tonight...northwest winds 15 to 20 knots. a chance of showers
late in the evening. waves 1 to 3 feet building to 3 to 5 feet.
.monday...north winds 5 to 15 knots becoming west less than
10 knots. waves 2 to 4 feet subsiding to 1 foot or less.
.monday night...west winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less.
.tuesday...south winds 10 to 15 knots becoming southwest. showers
likely tuesday night. waves 2 feet or less.
.wednesday...northwest winds 10 knots or less becoming northeast.
showers likely during the day. waves 2 feet or less.
.thursday...east winds 5 to 15 knots becoming northeast. a chance
of showers. waves 1 to 2 feet.
$$
(3/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/13/2026 9:23 AM America/New_York.
Valid through 9/13/2026 4:15 PM America/New_York.
fzus61 kcle 131323
glfle
expires:202609132015;;382356
open lake forecast for lake erie
national weather service cleveland oh
923 am edt sun sep 13 2026
for waters beyond five nautical miles of shore on lake erie
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 will approach the lake today and cross the lake by
this evening with pressure 29.90 inches. high pressure 30.30
inches will build over the lake for monday and depart to the east
for tuesday. a cold front will enter for tuesday night and wash
out south of the lake for the middle of the week.
lez061-169-132015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
923 am edt sun sep 13 2026
.this afternoon...west winds 10 to 15 knots. a slight chance of
showers and thunderstorms late. waves 1 to 2 feet.
.tonight...northwest winds 15 to 20 knots becoming north. a
slight chance of showers and thunderstorms early, then a slight
chance of showers late in the evening. waves 2 to 4 feet building
to 3 to 5 feet, then subsiding to 2 to 4 feet.
.monday...north winds 15 to 20 knots becoming light and variable.
waves 2 to 4 feet subsiding to 1 foot or less.
.monday night...east winds 10 knots or less becoming southeast
10 to 15 knots. waves 2 feet or less.
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. showers likely with a chance of thunderstorms tuesday
night. waves 1 to 3 feet.
.wednesday...south winds 5 to 10 knots becoming northeast. a
chance of showers during the day. waves 2 feet or less.
.thursday...northeast winds 5 to 15 knots becoming north. a
chance of showers. waves 2 feet or less.
winds and waves higher in and near thunderstorms.
$$
(4/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/13/2026 9:23 AM America/New_York.
Valid through 9/13/2026 4:15 PM America/New_York.
fzus61 kcle 131323
glfle
expires:202609132015;;382354
open lake forecast for lake erie
national weather service cleveland oh
923 am edt sun sep 13 2026
for waters beyond five nautical miles of shore on lake erie
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 will approach the lake today and cross the lake by
this evening with pressure 29.90 inches. high pressure 30.30
inches will build over the lake for monday and depart to the east
for tuesday. a cold front will enter for tuesday night and wash
out south of the lake for the middle of the week.
lez162-163-132015-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
923 am edt sun sep 13 2026
.this afternoon...northwest winds 5 to 15 knots. waves 2 feet or
less.
.tonight...northwest winds 15 to 20 knots becoming north. waves
2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to
4 feet.
.monday...north winds 15 to 20 knots becoming east and
diminishing to less than 10 knots in the afternoon. waves 1 to
3 feet subsiding to 1 foot or less.
.monday night...southeast winds 5 to 15 knots becoming south
15 to 20 knots. waves 1 to 3 feet.
.tuesday...south winds 15 to 20 knots becoming west 5 to
15 knots. a chance of showers during the day, then showers with a
chance of thunderstorms tuesday night. waves 2 to 4 feet
subsiding to 1 foot or less.
.wednesday...north winds 5 to 10 knots becoming northeast. a
chance of showers. waves 1 foot or less.
.thursday...southeast winds 5 to 15 knots becoming north. showers
likely during the day, then a chance of showers thursday night.
waves 1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
(5/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/13/2026 9:23 AM America/New_York.
Valid through 9/13/2026 4:15 PM America/New_York.
fzus61 kcle 131323
glfle
expires:202609132015;;382355
open lake forecast for lake erie
national weather service cleveland oh
923 am edt sun sep 13 2026
for waters beyond five nautical miles of shore on lake erie
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 will approach the lake today and cross the lake by
this evening with pressure 29.90 inches. high pressure 30.30
inches will build over the lake for monday and depart to the east
for tuesday. a cold front will enter for tuesday night and wash
out south of the lake for the middle of the week.
lez164>168-132015-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
923 am edt sun sep 13 2026
.this afternoon...west winds around 10 knots increasing to 15 to
20 knots. waves 1 to 3 feet.
.tonight...northwest winds 15 to 25 knots becoming north. waves
3 to 6 feet.
.monday...north winds 15 to 20 knots becoming northeast and
diminishing to less than 10 knots in the afternoon. waves 3 to
5 feet subsiding to 1 to 3 feet.
.monday night...east winds 5 to 15 knots becoming southeast 15 to
20 knots. waves 1 to 3 feet.
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. showers with a chance of thunderstorms tuesday night.
waves 2 to 4 feet subsiding to 1 to 3 feet.
.wednesday...northwest winds 5 to 10 knots becoming east. a
chance of showers. waves 1 to 2 feet.
.thursday...east winds 5 to 15 knots becoming north. a chance of
showers. waves 1 to 3 feet building to 2 to 4 feet.
winds and waves higher in and near thunderstorms.
$$
(6/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/13/2026 9:51 AM America/New_York.
Valid through 9/13/2026 6:00 PM America/New_York.
fzus63 kdtx 131351
glflh
expires:202609132200;;382868
open lake forecast for lake huron
national weather service detroit/pontiac mi
951 am edt sun sep 13 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...post-frontal northwest flow becomes breezy this
afternoon through monday morning with scattered showers possible.
high pressure, 30.20 inches, then arrives monday bringing relaxed
flow and dry weather. low pressure, 29.40 inches, then tracks
across ontario tuesday which elevates wind gusts toward gale
force across north and central lake huron.
lhz362-363-132200-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
951 am edt sun sep 13 2026
.rest of today...west winds 10 to 15 knots decreasing to 5 to
10 knots early in the afternoon...then becoming northwest 15 to
20 knots with gusts to around 30 knots late in the afternoon.
waves 2 to 4 feet building to 4 to 6 feet late in the afternoon.
waves occasionally around 8 feet.
.tonight...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots early in the morning. waves
6 to 9 feet. waves occasionally around 12 feet.
.monday...northwest winds 10 to 15 knots becoming north 5 to
10 knots in the late morning and early afternoon...then becoming
light and variable early in the afternoon. waves 3 to 5 feet
subsiding to 1 to 3 feet early in the afternoon.
.monday night...southeast winds 5 to 10 knots becoming south to
30 knots with gusts to 35 knot gales. a chance of showers after
midnight. waves 2 feet or less building to 8 to 12 feet. waves
occasionally around 15 feet.
.tuesday...south winds to 30 knots with gusts to 35 knot gales
decreasing to 20 to 25 knots with gusts to 35 knot gales late in
the morning...then becoming southwest 10 to 15 knots late in the
afternoon veering to the northwest late in the evening. showers
likely. waves 10 to 14 feet subsiding to 3 to 5 feet. waves
occasionally around 18 feet.
.wednesday...north winds 5 to 10 knots early in the morning
becoming light and variable...then becoming northeast 5 to
10 knots by midnight. waves 2 feet or less.
.thursday...northeast winds 5 to 10 knots backing to the north by
midnight. a chance of showers. waves 2 feet or less.
$$
(7/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/13/2026 9:51 AM America/New_York.
Valid through 9/13/2026 6:00 PM America/New_York.
fzus63 kdtx 131351
glflh
expires:202609132200;;382869
open lake forecast for lake huron
national weather service detroit/pontiac mi
951 am edt sun sep 13 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...post-frontal northwest flow becomes breezy this
afternoon through monday morning with scattered showers possible.
high pressure, 30.20 inches, then arrives monday bringing relaxed
flow and dry weather. low pressure, 29.40 inches, then tracks
across ontario tuesday which elevates wind gusts toward gale
force across north and central lake huron.
lhz462>464-132200-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
951 am edt sun sep 13 2026
.rest of today...north winds 10 to 15 knots becoming northwest
5 to 10 knots early in the afternoon...then becoming west 10 to
15 knots late in the afternoon. a chance of showers in the
afternoon. waves 1 to 3 feet building to 2 to 4 feet late in the
afternoon.
.tonight...northwest winds 20 to 25 knots decreasing to 15 to
20 knots early in the morning. waves 6 to 9 feet. waves
occasionally around 12 feet.
.monday...northwest winds 10 to 15 knots becoming light and
variable. waves 4 to 6 feet subsiding to 2 to 4 feet early in the
afternoon. waves occasionally around 8 feet.
.monday night...east winds 5 to 10 knots becoming southeast 10 to
15 knots by midnight...then becoming south 20 to 25 knots with
gusts to around 30 knots after midnight. waves 1 to 3 feet
building to 5 to 7 feet after midnight. waves occasionally around
10 feet.
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots becoming southwest 10 to 15 knots late in the
afternoon...then veering to the west late in the evening. showers
likely. a chance of showers late in the afternoon. waves 6 to
9 feet subsiding to 1 to 3 feet. waves occasionally around
12 feet.
.wednesday...north winds 10 to 15 knots becoming northeast 5 to
10 knots. a chance of. waves 1 to 3 feet.
.thursday...east winds 5 to 10 knots becoming north 10 to
15 knots . a chance of showers. waves 2 feet or less.
$$
(8/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/13/2026 9:51 AM America/New_York.
Valid through 9/13/2026 6:00 PM America/New_York.
fzus63 kdtx 131351
glflh
expires:202609132200;;382867
open lake forecast for lake huron
national weather service detroit/pontiac mi
951 am edt sun sep 13 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...post-frontal northwest flow becomes breezy this
afternoon through monday morning with scattered showers possible.
high pressure, 30.20 inches, then arrives monday bringing relaxed
flow and dry weather. low pressure, 29.40 inches, then tracks
across ontario tuesday which elevates wind gusts toward gale
force across north and central lake huron.
lhz361-132200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
951 am edt sun sep 13 2026
.rest of today...west winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots late in the afternoon. a
chance of showers in the afternoon. waves 3 to 5 feet building to
5 to 7 feet late in the afternoon. waves occasionally around
10 feet.
.tonight...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. waves 4 to 6 feet.
.monday...northwest winds 10 to 15 knots early in the morning
becoming light and variable. waves 2 to 4 feet subsiding to
2 feet or less in the late morning and afternoon. waves
occasionally around 8 feet.
.monday night...southeast winds 10 to 15 knots becoming south
20 to 25 knots in the late evening and overnight. gusts to
35 knot gales. showers after midnight. waves 2 to 4 feet building
to 6 to 9 feet. waves occasionally around 12 feet.
.tuesday...south winds 20 to 25 knots with gusts to 35 knot gales
becoming southwest 15 to 20 knots with gusts to around 30 knots
late in the morning...then decreasing to 10 to 15 knots late in
the afternoon veering to the northwest late in the evening.
showers in the morning...then a chance of showers late in the
morning. waves 6 to 9 feet subsiding to 3 to 5 feet late in the
afternoon. waves occasionally around 12 feet.
.wednesday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less.
.thursday...northeast winds 5 to 10 knots. a chance of showers.
waves 2 feet or less.
$$
(9/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/13/2026 9:51 AM America/New_York.
Valid through 9/13/2026 6:00 PM America/New_York.
fzus63 kdtx 131351
glfsc
expires:202609132200;;382871
lake st clair forecast
national weather service detroit/pontiac mi
951 am edt sun sep 13 2026
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...post-frontal northwest flow becomes breezy this
afternoon through monday morning with scattered showers possible.
high pressure, 30.20 inches, then arrives monday bringing relaxed
flow and dry weather. low pressure, 29.40 inches, then tracks
across ontario tuesday which elevates wind gusts toward gale
force across north and central lake huron.
lcz460-132200-
lake st clair-
951 am edt sun sep 13 2026
...small craft advisory in effect from 4 pm edt this afternoon
through late tonight...
.rest of today...west winds 5 to 10 knots becoming northwest 15 to
20 knots late in the afternoon. partly sunny. waves 2 feet or less.
.tonight...northwest winds 20 to 25 knots becoming north 15 to 20
knots after midnight. partly cloudy in the evening then clearing.
waves 1 to 3 feet.
.monday...north winds 10 to 15 knots diminishing to 5 to 10 knots in
the late morning and early afternoon...then becoming light and
variable early in the afternoon. sunny. waves 2 feet or less.
.monday night...southeast winds 5 to 10 knots becoming south 20 to
25 knots. partly cloudy. waves 2 feet or less.
.tuesday...south winds 20 to 25 knots becoming southwest 10 to 15
knots. partly sunny. a chance of light showers. light showers in the
evening. waves 1 to 3 feet.
.wednesday...northeast winds 10 to 15 knots. mostly cloudy with
light showers. waves 2 feet or less.
.thursday...north winds 10 to 15 knots. mostly cloudy with showers
likely. waves 2 feet or less.
$$
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