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(1/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 9/13/2026 10:11 PM America/New_York.
Valid through 9/14/2026 5:15 AM America/New_York.
fzus61 kbuf 140211
glflo
expires:202609140915;;413119
open lake forecast for lake ontario
national weather service buffalo ny
1011 pm 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 high pressure ridge averaging 30.2 inches slides
eastward across the lower great lakes through monday. the ridge
should exit eastward 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 briefly from the upper great lakes. on
thursday, the front may shift northward to the lake, but then shift
back south later in the day as a weak low of 30.0 inches wobbles
eastward across the central great lakes. behind the low and front, a
ridge averaging 30.2 inches should build from the upper midwest
through friday.
loz062-140915-
lake ontario open waters from the niagara river to hamlin beach-
1011 pm edt sun sep 13 2026
.overnight...northwest winds 15 to 20 knots. a chance of
showers late. waves 3 to 5 feet.
.monday...north winds 5 to 15 knots becoming west. a chance of
showers early. waves 2 to 4 feet subsiding to 1 foot or less.
.monday night...west winds 10 knots or less becoming south. waves
1 foot or less.
.tuesday...south winds 5 to 15 knots. waves 2 feet or less.
.tuesday night...south winds 5 to 10 knots becoming southwest. a
chance of showers. waves 2 feet or less.
.wednesday...west winds 10 knots or less becoming northeast. a
chance of showers. waves 1 foot or less.
.thursday...northeast winds 5 to 10 knots becoming north. a
chance of showers during the day. waves 2 feet or less.
.friday...north winds 5 to 10 knots becoming east. a chance of
showers friday night. waves 2 feet or less.
$$
(2/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 9/13/2026 10:11 PM America/New_York.
Valid through 9/14/2026 5:15 AM America/New_York.
fzus61 kbuf 140211
glflo
expires:202609140915;;413120
open lake forecast for lake ontario
national weather service buffalo ny
1011 pm 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 high pressure ridge averaging 30.2 inches slides
eastward across the lower great lakes through monday. the ridge
should exit eastward 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 briefly from the upper great lakes. on
thursday, the front may shift northward to the lake, but then shift
back south later in the day as a weak low of 30.0 inches wobbles
eastward across the central great lakes. behind the low and front, a
ridge averaging 30.2 inches should build from the upper midwest
through friday.
loz063>065-140915-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1011 pm edt sun sep 13 2026
.overnight...northwest winds 15 to 25 knots. a chance of
showers late. waves 3 to 6 feet.
.monday...north winds 15 to 20 knots becoming northwest and
diminishing to 5 to 10 knots. a chance of showers early. waves
3 to 5 feet subsiding to 1 to 3 feet.
.monday night...northwest winds 5 to 10 knots becoming south.
waves 2 feet or less.
.tuesday...south winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet.
.tuesday night...south winds 15 to 25 knots. a chance of showers
overnight. waves 2 to 4 feet.
.wednesday...southwest winds 5 to 15 knots becoming northeast
10 knots or less. a chance of showers. waves 1 to 3 feet
subsiding to 1 foot or less.
.thursday...northeast winds 5 to 15 knots becoming north. a
chance of showers. waves 2 feet or less.
.friday...north winds 5 to 15 knots becoming east. a chance of
showers friday night. waves 2 feet or less.
$$
(3/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/13/2026 9:34 PM America/New_York.
Valid through 9/14/2026 4:15 AM America/New_York.
fzus61 kcle 140134
glfle
expires:202609140815;;411790
open lake forecast for lake erie
national weather service cleveland oh
934 pm 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 continues to push south of lake erie as high pressure
of 30.30 inches builds over lake erie on monday. a stationary
front will set up in the vicinity of the lake beginning tuesday
night with pressure averaging 30.20 inches through thursday.
lez164>168-140815-
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-
934 pm edt sun sep 13 2026
.rest of tonight...northwest winds 15 to 25 knots becoming north.
a slight chance of waterspouts after midnight. waves 3 to 6 feet.
.monday...north winds 15 to 20 knots diminishing to less than
10 knots in the afternoon. a slight chance of waterspouts early.
waves 3 to 5 feet subsiding to 1 to 3 feet.
.monday night...east winds 10 knots or less becoming south and
increasing to 15 to 20 knots overnight. waves 1 to 3 feet.
.tuesday...south winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.tuesday night...south winds 5 to 15 knots becoming southwest.
showers. waves 1 to 3 feet.
.wednesday...southwest winds 5 to 10 knots becoming northeast. a
chance of showers. waves 1 to 2 feet.
.thursday...northeast winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet.
.friday...northeast winds 10 to 15 knots becoming east. waves
2 to 4 feet.
winds and waves higher in and near thunderstorms.
$$
(4/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/13/2026 9:34 PM America/New_York.
Valid through 9/14/2026 4:15 AM America/New_York.
fzus61 kcle 140134
glfle
expires:202609140815;;411791
open lake forecast for lake erie
national weather service cleveland oh
934 pm edt sun sep 13 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
a cold front continues to push south of lake erie as high pressure
of 30.30 inches builds over lake erie on monday. a stationary
front will set up in the vicinity of the lake beginning tuesday
night with pressure averaging 30.20 inches through thursday.
lez061-169-140815-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
934 pm edt sun sep 13 2026
.rest of tonight...northwest winds 15 to 20 knots becoming north.
a slight chance of showers late this evening. a slight chance of
waterspouts after midnight. waves 3 to 5 feet subsiding to 2 to
4 feet.
.monday...north winds 10 to 15 knots becoming light and variable.
waves 2 to 4 feet subsiding to 1 foot or less.
.monday night...east winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less.
.tuesday...south winds 10 to 15 knots. waves 1 to 3 feet.
.tuesday night...south winds 10 to 15 knots becoming southwest.
showers likely overnight. waves 1 to 2 feet.
.wednesday...southwest winds 10 knots or less becoming northeast.
a chance of showers wednesday night. waves 2 feet or less.
.thursday...northeast winds 5 to 15 knots. a chance of showers.
waves 2 feet or less.
.friday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less.
winds and waves higher in and near thunderstorms.
$$
(5/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/13/2026 9:34 PM America/New_York.
Valid through 9/14/2026 4:15 AM America/New_York.
fzus61 kcle 140134
glfle
expires:202609140815;;411789
open lake forecast for lake erie
national weather service cleveland oh
934 pm 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 continues to push south of lake erie as high pressure
of 30.30 inches builds over lake erie on monday. a stationary
front will set up in the vicinity of the lake beginning tuesday
night with pressure averaging 30.20 inches through thursday.
lez162-163-140815-
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-
934 pm edt sun sep 13 2026
.rest of tonight...northwest winds 15 to 25 knots becoming north
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.monday...north winds 5 to 15 knots becoming east less than
10 knots. 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 diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.tuesday night...south winds 5 to 10 knots becoming west. showers
with a chance of thunderstorms in the evening, then showers
overnight. waves 2 feet or less.
.wednesday...northwest winds 5 to 10 knots becoming northeast. a
chance of showers. waves 1 foot or less.
.thursday...north winds 10 to 15 knots becoming northeast. a
chance of showers during the day. waves 2 feet or less.
.friday...northeast winds 10 to 15 knots becoming east. a chance
of showers friday night. waves 1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
(6/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/13/2026 9:40 PM America/New_York.
Valid through 9/14/2026 5:45 AM America/New_York.
fzus63 kdtx 140140
glflh
expires:202609140945;;411923
open lake forecast for lake huron
national weather service detroit/pontiac mi
940 pm 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 will continue to be breezy
through monday morning. high pressure, 30.20 inches, settles in
through the day 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.
lhz361-140945-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
940 pm edt sun sep 13 2026
.rest of tonight...northwest winds 15 to 20 knots decreasing to
10 to 15 knots after midnight. waves 3 to 5 feet.
.monday...northwest winds 5 to 10 knots in the morning becoming
light and variable. waves 2 feet or less.
.monday night...southeast winds 10 to 15 knots becoming south
20 to 25 knots with gusts to 35 knot gales in the late evening
and overnight. showers after midnight. waves 1 to 3 feet building
to 6 to 9 feet in the late evening and overnight. 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
in the late morning and afternoon. showers in the morning. waves
6 to 9 feet. waves occasionally around 12 feet.
.tuesday night...southwest winds 10 to 15 knots veering to the
northwest by midnight...then decreasing to 5 to 10 knots after
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet after
midnight.
.wednesday...northwest winds 5 to 10 knots in the morning
becoming light and variable. waves 2 feet or less.
.thursday...north winds 5 to 10 knots backing to the west early
in the evening...then veering to the northwest by midnight. waves
2 feet or less.
.friday...north winds 5 to 10 knots until afternoon becoming
light and variable...then becoming southeast 5 to 10 knots by
midnight. a chance of showers by midnight. waves 2 feet or less.
$$
(7/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/13/2026 9:40 PM America/New_York.
Valid through 9/14/2026 5:45 AM America/New_York.
fzus63 kdtx 140140
glfsc
expires:202609140945;;411927
lake st clair forecast
national weather service detroit/pontiac mi
940 pm 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 will continue to be breezy
through monday morning. high pressure, 30.20 inches, settles in
through the day 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.
lcz460-140945-
lake st clair-
940 pm edt sun sep 13 2026
...small craft advisory in effect until 2 am edt monday...
.rest of tonight...northwest winds 20 to 25 knots becoming north 10
to 15 knots. clear. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.
.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 late 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 diminishing to 15 to 20 knots
in the late morning and afternoon. partly sunny. a chance of light
showers early in the afternoon. waves 1 to 3 feet.
.tuesday night...southwest winds 10 to 15 knots diminishing to 5 to
10 knots by midnight...then veering to the west after midnight.
light showers and a chance of thunderstorms ...then light showers
likely after midnight. waves 2 feet or less.
.wednesday...north winds 5 to 10 knots becoming northeast 10 to 15
knots in the evening. partly sunny becoming mostly cloudy. waves 2
feet or less.
.thursday...north winds 10 to 15 knots. partly cloudy. showers
likely. waves 2 feet or less.
.friday...northeast winds 10 to 15 knots. mostly clear. waves 2 feet
or less.
$$
(8/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/13/2026 9:40 PM America/New_York.
Valid through 9/14/2026 5:45 AM America/New_York.
fzus63 kdtx 140140
glflh
expires:202609140945;;411924
open lake forecast for lake huron
national weather service detroit/pontiac mi
940 pm 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 will continue to be breezy
through monday morning. high pressure, 30.20 inches, settles in
through the day 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.
lhz362-363-140945-
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-
940 pm edt sun sep 13 2026
...gale watch in effect from late monday night through tuesday
afternoon...
.rest of tonight...northwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 15 to 20 knots after midnight.
waves 5 to 7 feet. waves occasionally around 10 feet.
.monday...northwest winds 10 to 15 knots becoming light and
variable. waves 3 to 5 feet subsiding to 1 to 3 feet 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 becoming southwest 15 to
20 knots early in the afternoon. gusts to 35 knot gales. showers
likely. waves 10 to 14 feet. waves occasionally around 18 feet.
.tuesday night...southwest winds 10 to 15 knots veering to the
northwest after midnight. waves 3 to 5 feet.
.wednesday...north winds 5 to 10 knots. waves 2 feet or less.
.thursday...north winds 5 to 10 knots increasing to 10 to
15 knots by midnight. waves 2 feet or less.
.friday...north winds 5 to 10 knots veering to the northeast by
midnight. a chance of showers by midnight. waves 2 feet or less.
$$
(9/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/13/2026 9:40 PM America/New_York.
Valid through 9/14/2026 5:45 AM America/New_York.
fzus63 kdtx 140140
glflh
expires:202609140945;;411925
open lake forecast for lake huron
national weather service detroit/pontiac mi
940 pm 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 will continue to be breezy
through monday morning. high pressure, 30.20 inches, settles in
through the day 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>464-140945-
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-
940 pm edt sun sep 13 2026
.rest of tonight...northwest winds 15 to 20 knots. waves 5 to
7 feet. waves occasionally around 10 feet.
.monday...northwest winds 10 to 15 knots becoming light and
variable. waves 3 to 5 feet subsiding to 1 to 3 feet late in the
afternoon.
.monday night...northeast 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 decreasing to 15 to 20 knots early in the afternoon. a
chance of showers. waves 6 to 9 feet. waves occasionally around
12 feet.
.tuesday night...southwest winds 10 to 15 knots decreasing to
5 to 10 knots by midnight...then becoming northwest 10 to
15 knots after midnight. a chance of showers in the evening.
waves 3 to 5 feet subsiding to 1 to 3 feet in the late evening
and overnight.
.wednesday...north winds 10 to 15 knots decreasing to 5 to
10 knots. a chance of showers late in the evening. waves 1 to
3 feet.
.thursday...northeast winds 5 to 10 knots becoming north 10 to
15 knots . a chance of showers early in the morning. waves 1 to
3 feet.
.friday...north winds 10 to 15 knots decreasing to 5 to 10 knots
until early evening...then becoming northeast 10 to 15 knots by
midnight. a chance of showers by midnight. waves 1 to 3 feet.
$$
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