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(1/5)
Latest Great Lakes Marine Forecast by KBUF
Issued 10/21/2025 4:02 PM America/New_York.
Valid through 10/21/2025 11:00 PM America/New_York.
fzus61 kbuf 212002
glflo
expires:202510220300;;525346
open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue oct 21 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 29.6 inch low just north of new england this morning
will drift north across quebec through the day. meanwhile, another
29.4 inch low will move across the upper great lakes and gradually
consolidate with the first low through wednesday night. this low
will then move from central quebec thursday morning to far northern
quebec by friday. a 30.4 inch surface high will then move towards
the lake saturday.
loz062-220300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt tue oct 21 2025
.tonight...southwest winds 15 to 20 knots. a chance of showers
this evening, then showers likely after midnight. a chance of
waterspouts after midnight. waves 3 to 6 feet subsiding to 2 to
4 feet.
.wednesday...southwest winds 15 to 25 knots. a chance of
waterspouts. showers likely early, then showers from late morning
on. waves 2 to 4 feet building to 3 to 5 feet.
.wednesday night...southwest winds 15 to 20 knots becoming west.
a chance of waterspouts. showers. waves 3 to 6 feet.
.thursday...west winds 15 to 20 knots. a chance of waterspouts.
showers. waves 4 to 7 feet. waves occasionally around 9 feet.
.thursday night...west winds 15 to 20 knots. a chance of
waterspouts. showers. waves 3 to 6 feet.
.friday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of waterspouts during the day. showers. waves
2 to 4 feet subsiding to 1 to 2 feet.
.saturday...northwest winds 10 knots or less becoming northeast.
a chance of showers during the day. waves 2 feet or less.
.sunday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less.
$$
(2/5)
Latest Great Lakes Marine Forecast by KBUF
Issued 10/21/2025 4:02 PM America/New_York.
Valid through 10/21/2025 11:00 PM America/New_York.
fzus61 kbuf 212002
glflo
expires:202510220300;;525347
open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue oct 21 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 29.6 inch low just north of new england this morning
will drift north across quebec through the day. meanwhile, another
29.4 inch low will move across the upper great lakes and gradually
consolidate with the first low through wednesday night. this low
will then move from central quebec thursday morning to far northern
quebec by friday. a 30.4 inch surface high will then move towards
the lake saturday.
loz063>065-220300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt tue oct 21 2025
.tonight...southwest winds 15 to 20 knots becoming south 10 to
15 knots. a chance of showers early. showers likely late. a
chance of waterspouts late. waves 2 to 4 feet subsiding to 1 to
3 feet.
.wednesday...southwest winds 15 to 25 knots increasing to
30 knots. a chance of waterspouts. showers. waves 2 to 4 feet
building to 4 to 7 feet. waves occasionally around 9 feet.
.wednesday night...southwest winds 20 to 25 knots. a chance of
waterspouts. showers. waves 5 to 8 feet. waves occasionally
around 10 feet.
.thursday...southwest winds 15 to 25 knots becoming west. a
chance of waterspouts. showers. waves 5 to 8 feet. waves
occasionally around 10 feet.
.thursday night...west winds 15 to 20 knots. a chance of
waterspouts. showers. waves 5 to 8 feet subsiding to 3 to 6 feet.
waves occasionally around 10 feet.
.friday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of waterspouts during the day. showers. waves
3 to 5 feet subsiding to 1 to 3 feet.
.saturday...northwest winds 10 knots or less becoming northeast.
a chance of showers. waves 2 feet or less.
.sunday...east winds 10 knots or less. a chance of showers during
the day. waves 2 feet or less.
$$
(3/5)
Latest Great Lakes Marine Forecast by KCLE
Issued 10/21/2025 4:01 PM America/New_York.
Valid through 10/21/2025 10:30 PM America/New_York.
fzus61 kcle 212001
glfle
expires:202510220230;;525232
open lake forecast for lake erie
national weather service cleveland oh
401 pm edt tue oct 21 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...
low pressure 29.40 inches continues moving east across the
northern great lakes tonight, dragging another cold front through
the region this evening. the low will lift north into quebec
thursday while pulling another cold front across the lake. a
trough averaging 30.10 inches persists across the lake on friday
before high pressure 30.20 inches builds towards the eastern great
lakes friday night through the weekend.
lez061-220230-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
401 pm edt tue oct 21 2025
.tonight...southwest winds 15 to 25 knots. showers likely with a
chance of thunderstorms this evening, then showers with a chance
of thunderstorms after midnight. a chance of waterspouts from
late evening on. waves 5 to 7 feet building to 5 to 8 feet. waves
occasionally around 10 feet.
.wednesday...southwest winds to 30 knots. a chance of
waterspouts. showers with a chance of thunderstorms. waves 6 to
9 feet building to 9 to 13 feet. waves occasionally around
16 feet.
.wednesday night...southwest winds to 30 knots becoming west. a
chance of waterspouts. showers with a chance of thunderstorms.
waves 9 to 13 feet subsiding to 6 to 9 feet. waves occasionally
around 16 feet.
.thursday...west winds 15 to 25 knots. a chance of waterspouts.
showers with a chance of thunderstorms. waves 5 to 8 feet. waves
occasionally around 10 feet.
.thursday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. showers. waves 3 to 6 feet.
.friday...west winds 15 to 20 knots becoming northwest 5 to
15 knots. showers. waves 2 to 4 feet subsiding to 1 to 2 feet.
.saturday...west winds less than 10 knots. a chance of showers.
waves 1 foot or less.
.sunday...east winds 10 knots or less. a chance of showers during
the day. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(4/5)
Latest Great Lakes Marine Forecast by KCLE
Issued 10/21/2025 4:01 PM America/New_York.
Valid through 10/21/2025 10:30 PM America/New_York.
fzus61 kcle 212001
glfle
expires:202510220230;;525230
open lake forecast for lake erie
national weather service cleveland oh
401 pm edt tue oct 21 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...
low pressure 29.40 inches continues moving east across the
northern great lakes tonight, dragging another cold front through
the region this evening. the low will lift north into quebec
thursday while pulling another cold front across the lake. a
trough averaging 30.10 inches persists across the lake on friday
before high pressure 30.20 inches builds towards the eastern great
lakes friday night through the weekend.
lez165>168-220230-
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-
401 pm edt tue oct 21 2025
...gale warning in effect from wednesday morning through
wednesday evening...
.tonight...southwest winds 15 to 25 knots becoming west to
30 knots. a chance of waterspouts. showers with a chance of
thunderstorms this evening, then showers after midnight. showers
with a slight chance of thunderstorms late. waves 4 to 7 feet
building to 8 to 11 feet. waves occasionally around 14 feet.
.wednesday...west winds to 30 knots increasing to 35 knot gales.
a chance of waterspouts. showers with a chance of thunderstorms.
waves 8 to 12 feet building to 10 to 14 feet. waves occasionally
around 18 feet.
.wednesday night...west gales to 35 knots. a chance of
waterspouts. showers with a chance of thunderstorms. waves 10 to
14 feet subsiding to 7 to 11 feet. waves occasionally around
18 feet.
.thursday...west winds to 30 knots. a chance of waterspouts in
the morning. showers with a chance of thunderstorms. waves 7 to
10 feet subsiding to 5 to 8 feet. waves occasionally around
13 feet.
.thursday night...west winds 15 to 25 knots becoming northwest.
showers. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet.
.friday...northwest winds 15 to 20 knots becoming west 5 to
15 knots. a chance of showers. waves 3 to 5 feet subsiding to
1 to 3 feet.
.saturday...west winds less than 10 knots becoming southeast.
waves 1 foot or less.
.sunday...southeast winds 5 to 15 knots becoming east. a chance
of showers sunday night. waves 2 feet or less.
winds and waves higher in and near thunderstorms.
$$
(5/5)
Latest Great Lakes Marine Forecast by KCLE
Issued 10/21/2025 4:01 PM America/New_York.
Valid through 10/21/2025 10:30 PM America/New_York.
fzus61 kcle 212001
glfle
expires:202510220230;;525231
open lake forecast for lake erie
national weather service cleveland oh
401 pm edt tue oct 21 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...
low pressure 29.40 inches continues moving east across the
northern great lakes tonight, dragging another cold front through
the region this evening. the low will lift north into quebec
thursday while pulling another cold front across the lake. a
trough averaging 30.10 inches persists across the lake on friday
before high pressure 30.20 inches builds towards the eastern great
lakes friday night through the weekend.
lez169-220230-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
401 pm edt tue oct 21 2025
...gale warning in effect from wednesday morning through
wednesday evening...
.tonight...southwest winds 15 to 25 knots. showers with a chance
of thunderstorms. a chance of waterspouts from late evening on.
waves 5 to 8 feet building to 6 to 9 feet. waves occasionally
around 11 feet.
.wednesday...southwest winds to 30 knots increasing to 35 knot
gales. a chance of waterspouts. showers with a chance of
thunderstorms. waves 7 to 11 feet building to 10 to 14 feet.
waves occasionally around 18 feet.
.wednesday night...southwest winds to 30 knots becoming west. a
chance of waterspouts. showers with a chance of thunderstorms.
waves 10 to 14 feet subsiding to 6 to 10 feet. waves occasionally
around 18 feet.
.thursday...west winds 15 to 25 knots. a chance of waterspouts.
showers with a chance of thunderstorms. waves 5 to 9 feet. waves
occasionally around 11 feet.
.thursday night...west winds 15 to 20 knots. showers. waves 4 to
7 feet subsiding to 3 to 5 feet. waves occasionally around
9 feet.
.friday...west winds 15 to 20 knots becoming northwest 5 to
15 knots. showers. waves 3 to 5 feet subsiding to 1 to 3 feet.
.saturday...west winds less than 10 knots. a chance of showers.
waves 1 foot or less.
.sunday...southeast winds 10 knots or less becoming east. a
chance of showers during the day. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
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