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Latest Great Lakes Marine Forecast by KBUF
Issued 11/27/2025 10:02 PM America/New_York.
Valid through 11/28/2025 5:00 AM America/New_York.
fzus61 kbuf 280302
glflo
expires:202511281000;;626820
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est thu nov 27 2025
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 29.4 inch surface low over western quebec this evening
will slowly track to central and eastern quebec through tomorrow.
meanwhile, a 30.5 inch surface high will build south into the mid-
mississippi valley friday, then to the ohio valley and lower great
lakes saturday. another surface low will cut northeastward through
the central great lakes sunday, slowly deepening from 29.6 inches
sunday morning to 29.4 inches sunday night over western quebec. a
cold front from this low will cross the lake late sunday night. a
30.4 inch surface high centered over the central plains will then
build east across the great lakes monday, sliding quickly to new
england on tuesday.
loz062-281000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est thu nov 27 2025
...gale warning in effect through friday evening...
.rest of tonight...west winds to 30 knots. lake effect snow
showers. waves 8 to 12 feet. waves occasionally around 15 feet.
.friday...west winds to 30 knots. lake effect snow showers likely
through early afternoon, then a chance of snow showers late.
waves 8 to 12 feet. waves occasionally around 15 feet.
.friday night...west winds to 30 knots diminishing to 15 to
20 knots. a chance of snow showers. waves 6 to 10 feet subsiding
to 5 to 8 feet. waves occasionally around 13 feet.
.saturday...west winds 15 to 20 knots diminishing to 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet.
.saturday night...south winds 5 to 10 knots becoming southeast
and increasing to 15 to 20 knots. snow showers. waves 1 foot or
less building to 2 to 4 feet.
.sunday...south winds 15 to 25 knots becoming west to 30 knots.
rain and snow showers during the day, then rain showers with a
chance of snow showers sunday night. waves 3 to 6 feet building
to 5 to 9 feet. waves occasionally around 11 feet.
.monday...northwest winds 15 to 20 knots becoming south 5 to
15 knots. a chance of snow showers monday night. waves 4 to
7 feet subsiding to 2 feet or less. waves occasionally around
9 feet.
.tuesday...south winds around 10 knots becoming northwest. a
chance of snow showers. waves 2 feet or less.
$$
(2/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 11/27/2025 10:02 PM America/New_York.
Valid through 11/28/2025 5:00 AM America/New_York.
fzus61 kbuf 280302
glflo
expires:202511281000;;626821
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est thu nov 27 2025
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 29.4 inch surface low over western quebec this evening
will slowly track to central and eastern quebec through tomorrow.
meanwhile, a 30.5 inch surface high will build south into the mid-
mississippi valley friday, then to the ohio valley and lower great
lakes saturday. another surface low will cut northeastward through
the central great lakes sunday, slowly deepening from 29.6 inches
sunday morning to 29.4 inches sunday night over western quebec. a
cold front from this low will cross the lake late sunday night. a
30.4 inch surface high centered over the central plains will then
build east across the great lakes monday, sliding quickly to new
england on tuesday.
loz063-281000-
lake ontario open waters from hamlin beach to sodus bay-
1002 pm est thu nov 27 2025
...gale warning in effect through friday evening...
.rest of tonight...west gales to 35 knots late this evening. lake
effect snow and rain showers with a few rumbles of thunder
possible late this evening, then lake effect snow showers with a
few rumbles of thunder possible after midnight. waves 10 to
15 feet. waves occasionally around 19 feet.
.friday...west winds to 30 knots increasing to 35 knot gales.
lake effect snow showers. waves 10 to 15 feet. waves occasionally
around 19 feet.
.friday night...west winds to 30 knots becoming northwest. lake
effect snow showers likely. waves 10 to 14 feet subsiding to 6 to
9 feet. waves occasionally around 18 feet.
.saturday...northwest winds 15 to 20 knots becoming west 5 to
15 knots. a chance of snow showers. waves 5 to 8 feet subsiding
to 2 to 3 feet. waves occasionally around 10 feet.
.saturday night...southwest winds 5 to 15 knots becoming
southeast and increasing to 15 to 25 knots. a chance of snow
showers in the evening, then snow showers overnight. waves 1 to
3 feet building to 3 to 5 feet.
.sunday...south winds to 30 knots becoming west. rain and snow
showers. waves 5 to 8 feet building to 8 to 11 feet. waves
occasionally around 14 feet.
.monday...northwest winds 15 to 25 knots becoming south and
diminishing to 10 to 15 knots. a chance of snow showers. waves
6 to 9 feet subsiding to 1 to 3 feet. waves occasionally around
11 feet.
.tuesday...south winds 10 to 15 knots becoming north. a chance of
snow showers. waves 1 to 3 feet.
$$
(3/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 11/27/2025 10:02 PM America/New_York.
Valid through 11/28/2025 5:00 AM America/New_York.
fzus61 kbuf 280302
glflo
expires:202511281000;;626822
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est thu nov 27 2025
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 29.4 inch surface low over western quebec this evening
will slowly track to central and eastern quebec through tomorrow.
meanwhile, a 30.5 inch surface high will build south into the mid-
mississippi valley friday, then to the ohio valley and lower great
lakes saturday. another surface low will cut northeastward through
the central great lakes sunday, slowly deepening from 29.6 inches
sunday morning to 29.4 inches sunday night over western quebec. a
cold front from this low will cross the lake late sunday night. a
30.4 inch surface high centered over the central plains will then
build east across the great lakes monday, sliding quickly to new
england on tuesday.
loz064-065-281000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 pm est thu nov 27 2025
...gale warning in effect through friday evening...
.rest of tonight...west gales to 35 knots late this evening. lake
effect snow and rain showers with a few rumbles of thunder
possible, then lake effect snow showers late. waves 10 to
15 feet. waves occasionally around 19 feet.
.friday...west winds to 30 knots increasing to 35 knot gales.
snow showers likely early, then a chance of snow showers from
late morning on. waves 10 to 15 feet. waves occasionally around
19 feet.
.friday night...northwest winds to 30 knots. a chance of snow and
rain showers likely in the evening, then a chance of snow showers
overnight. waves 10 to 14 feet subsiding to 7 to 11 feet. waves
occasionally around 18 feet.
.saturday...northwest winds 15 to 20 knots becoming west 5 to
15 knots. a chance of snow showers. waves 5 to 8 feet subsiding
to 1 to 3 feet. waves occasionally around 10 feet.
.saturday night...west winds 10 knots or less becoming southeast
and increasing to 15 to 25 knots overnight. snow showers
overnight. waves 1 to 3 feet building to 3 to 5 feet.
.sunday...south gales to 35 knots becoming southwest. rain and
snow showers. waves 6 to 10 feet building to 9 to 12 feet. waves
occasionally around 15 feet.
.monday...northwest winds 15 to 25 knots becoming south and
diminishing to 5 to 15 knots. a chance of snow showers. waves
7 to 10 feet subsiding to 1 to 3 feet. waves occasionally around
13 feet.
.tuesday...south winds 10 to 15 knots becoming north. a chance of
snow showers. waves 1 to 3 feet.
$$
(4/4)
Latest Great Lakes Marine Forecast by KCLE
Issued 11/27/2025 9:45 PM America/New_York.
Valid through 11/28/2025 4:15 AM America/New_York.
fzus61 kcle 280245
glfle
expires:202511280915;;626366
open lake forecast for lake erie
national weather service cleveland oh
945 pm est thu nov 27 2025
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 trough averaging 30.00 inches will linger over lake erie through
friday evening before high pressure of 30.50 inches moves east
across the lake friday night and saturday. low pressure of 29.80
inches will track out of the great plains saturday night to the
central great lakes on sunday. high pressure 30.50 inches will
begin to build east into the region on monday.
lez061-167>169-280915-
ripley to buffalo ny extending from 5nm 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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
945 pm est thu nov 27 2025
...gale warning in effect through friday morning...
.overnight...west gales to 35 knots. a chance of snow.
waves 10 to 15 feet. waves occasionally around 19 feet.
.friday...west winds to 30 knots. a chance of snow early, then a
chance of flurries from late morning on. waves 8 to 12 feet.
waves occasionally around 15 feet.
.friday night...west winds to 30 knots diminishing to 15 to
25 knots. a chance of snow in the evening. waves 6 to 10 feet
subsiding to 5 to 8 feet. waves occasionally around 13 feet.
.saturday...west winds 15 to 20 knots becoming south and
diminishing to 5 to 10 knots. waves 3 to 5 feet subsiding to 1 to
3 feet.
.saturday night...southeast winds 10 to 15 knots becoming south
and increasing to 30 knots. snow likely in the evening, then rain
and snow overnight. waves 1 to 3 feet building to 3 to 6 feet.
.sunday...south gales to 35 knots becoming northwest and
diminishing to 30 knots. rain with snow likely during the day,
then snow likely sunday night. waves 7 to 11 feet subsiding to
6 to 9 feet. waves occasionally around 14 feet.
.monday...northwest winds 15 to 20 knots becoming south and
diminishing to 5 to 10 knots. a chance of snow monday night.
waves 3 to 5 feet subsiding to 1 to 3 feet.
.tuesday...southeast winds 5 to 15 knots becoming northwest. a
chance of snow during the day. waves 1 to 3 feet building to 2 to
4 feet.
$$
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