fzus61 kbuf 152003
glflo 
expires:202604160300;;424695

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt wed apr 15 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 29.6 inch low will move into the central great lakes 
tonight before reaching southern quebec thursday night, then drift 
off the new england coast by friday night. a 30.0 inch high is then 
forecast to build from the central great lakes friday to the lower 
great lakes saturday morning, then off the east coast saturday 
night. a 29.3 inch surface low to the north of lake superior 
saturday will deepen to 28.9 inches by sunday, with a trailing cold 
front crossing the lake saturday night. a 30.4 inch surface high 
will push from the plains to the upper ohio valley from sunday 
through monday.


loz062-160300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt wed apr 15 2026

.tonight...southwest winds 10 to 15 knots. a chance of showers
and thunderstorms this evening, then showers with a chance of
thunderstorms after midnight. waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers in the morning, then showers likely
in the afternoon. waves 1 to 3 feet. 
.thursday night...southwest winds 15 to 20 knots becoming west
and diminishing to around 10 knots. showers likely in the
evening, then a chance of showers overnight. waves 1 to 3 feet. 
.friday...northwest winds 10 knots or less becoming southeast. a
chance of showers in the morning. waves 2 feet or less. 
.friday night...east winds 10 knots or less. waves 1 foot or
less. 
.saturday...southeast winds 10 to 15 knots becoming west 15 to
20 knots. showers likely. waves 2 feet or less building to 3 to
6 feet. 
.sunday...west winds 15 to 25 knots becoming northwest. a chance
of rain and snow showers during the day, then a chance of rain
showers sunday night. waves 5 to 8 feet. waves occasionally
around 10 feet. 
.monday...northwest winds 15 to 25 knots becoming southwest and
diminishing to 10 to 15 knots. waves 4 to 7 feet subsiding to
2 to 3 feet. waves occasionally around 9 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 152003
glflo 
expires:202604160300;;424696

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt wed apr 15 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 29.6 inch low will move into the central great lakes 
tonight before reaching southern quebec thursday night, then drift 
off the new england coast by friday night. a 30.0 inch high is then 
forecast to build from the central great lakes friday to the lower 
great lakes saturday morning, then off the east coast saturday 
night. a 29.3 inch surface low to the north of lake superior 
saturday will deepen to 28.9 inches by sunday, with a trailing cold 
front crossing the lake saturday night. a 30.4 inch surface high 
will push from the plains to the upper ohio valley from sunday 
through monday.


loz063>065-160300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 pm edt wed apr 15 2026

.tonight...south winds 5 to 10 knots. a chance of showers through
the early overnight, then showers likely late. waves 2 feet or
less. 
.thursday...south winds 5 to 10 knots becoming southwest.
showers. waves 2 feet or less. 
.thursday night...southwest winds 5 to 10 knots becoming west.
showers in the evening, then showers likely overnight. waves
2 feet or less. 
.friday...northwest winds 5 to 10 knots becoming west. a chance
of showers in the morning. waves 2 feet or less. 
.friday night...northwest winds 10 knots or less becoming
southeast. waves 1 foot or less. 
.saturday...southeast winds 15 to 25 knots becoming southwest.
showers likely. waves 1 to 3 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.sunday...west winds to 30 knots becoming northwest. rain showers
likely during the day, then a chance of rain and snow showers
sunday night. waves 5 to 9 feet building to 7 to 10 feet. waves
occasionally around 13 feet. 
.monday...northwest winds 15 to 25 knots becoming west. waves
5 to 9 feet subsiding to 3 to 5 feet. waves occasionally around
11 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 152251
glfle 
expires:202604160215;;431914

open lake forecast for lake erie
national weather service cleveland oh
651 pm edt wed apr 15 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 stalled frontal boundary resides in the vicinity of lake erie
through thursday. a cold front will sweep southeastward across 
the lake thursday night. behind the front, a separate ridge 
averaging 30.00 inches builds from the northern great lakes 
through friday. during friday night through saturday morning, the 
ridge should exit eastward and allow a warm front to sweep 
northward across lake erie. a cold front should then sweep 
eastward across lake erie saturday evening through saturday night.
behind the cold front, a trough averaging 29.90 inches should 
linger over lake erie through sunday before a ridge averaging 
30.30 inches builds from the west by monday.


lez061-160215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
651 pm edt wed apr 15 2026

.tonight...southwest winds around 10 knots. showers and
thunderstorms this evening, then a chance of showers and
thunderstorms after midnight. waves 1 to 2 feet. 
.thursday...southwest winds around 10 knots. showers likely with
a slight chance of thunderstorms in the morning, then showers
with a chance of thunderstorms in the afternoon. waves 1 to
3 feet. 
.thursday night...southwest winds 5 to 10 knots becoming west.
showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight. waves 1 to 3 feet. 
.friday...west winds 10 knots or less becoming northwest. waves
around 1 foot. 
.friday night...light and variable winds becoming southeast 5 to
10 knots. waves 1 foot or less. 
.saturday...south winds 10 to 15 knots becoming west. a chance of
showers during the day, then showers likely saturday night. waves
2 feet or less building to 2 to 4 feet. 
.sunday...west winds 10 to 15 knots becoming northwest. a chance
of rain and snow showers during the day. waves 3 to 5 feet. 
.monday...northwest winds 5 to 15 knots becoming south. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 152251
glfle 
expires:202604160215;;431913

open lake forecast for lake erie
national weather service cleveland oh
651 pm edt wed apr 15 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 stalled frontal boundary resides in the vicinity of lake erie
through thursday. a cold front will sweep southeastward across 
the lake thursday night. behind the front, a separate ridge 
averaging 30.00 inches builds from the northern great lakes 
through friday. during friday night through saturday morning, the 
ridge should exit eastward and allow a warm front to sweep 
northward across lake erie. a cold front should then sweep 
eastward across lake erie saturday evening through saturday night.
behind the cold front, a trough averaging 29.90 inches should 
linger over lake erie through sunday before a ridge averaging 
30.30 inches builds from the west by monday.


lez165>169-160215-
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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
651 pm edt wed apr 15 2026

...severe thunderstorm watch 120 in effect until 9 pm edt this
evening...

.tonight...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms. some thunderstorms may be severe with damaging
winds and large hail early. waves 1 to 2 feet. 
.thursday...southwest winds 10 to 15 knots. a chance of showers
and thunderstorms early, then showers likely with a slight chance
of thunderstorms. showers likely with a chance of thunderstorms
late. waves 1 to 3 feet. 
.thursday night...southwest winds 5 to 10 knots becoming
northwest. showers likely with a chance of thunderstorms in the
evening, then a chance of showers overnight. waves 1 to 2 feet. 
.friday...northwest winds 10 knots or less becoming north. waves
1 foot or less. 
.friday night...east winds 10 knots or less becoming southeast
10 to 15 knots. waves 2 feet or less. 
.saturday...south winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms during the day, then a chance of
showers saturday night. waves 2 to 4 feet building to 3 to
6 feet. 
.sunday...west winds 15 to 25 knots becoming northwest. a chance
of rain showers during the day. waves 4 to 7 feet subsiding to
3 to 6 feet. waves occasionally around 9 feet. 
.monday...northwest winds 15 to 20 knots becoming south. waves
3 to 5 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 151940
glfle 
expires:202604160215;;423937

open lake forecast for lake erie
national weather service cleveland oh
340 pm edt wed apr 15 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...
lake erie resides along the northwestern flank of a high 
pressure ridge averaging 29.80 inches before a cold front sweeps 
southeastward across the lake thursday night. behind the front, a 
separate ridge averaging 30.00 inches builds from the northern great 
lakes through friday. during friday night through saturday morning, 
the ridge should exit eastward and allow a warm front to sweep 
northward across lake erie. a cold front should then sweep eastward 
across lake erie saturday evening through saturday night.
behind the cold front, a trough averaging 29.90 inches should linger 
over lake erie through sunday before a ridge averaging 30.30 inches 
builds from the west by monday.


lez166>169-160215-
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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
340 pm edt wed apr 15 2026

...severe thunderstorm watch 120 in effect until 9 pm edt this
evening...

.tonight...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms early, then showers with a chance of thunderstorms
from late evening on. waves 1 to 2 feet. 
.thursday...southwest winds 10 to 15 knots. a chance of showers
with a slight chance of thunderstorms early, then showers likely
with a slight chance of thunderstorms. showers likely with a
chance of thunderstorms late. waves 1 to 3 feet. 
.thursday night...southwest winds 5 to 10 knots becoming
northwest. showers likely with a chance of thunderstorms in the
evening, then a chance of showers overnight. waves 1 to 2 feet. 
.friday...northwest winds 10 knots or less becoming north. waves
1 foot or less. 
.friday night...east winds 10 knots or less becoming southeast
10 to 15 knots. waves 2 feet or less. 
.saturday...south winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms during the day, then a chance of
showers saturday night. waves 2 to 4 feet building to 3 to
6 feet. 
.sunday...west winds 15 to 25 knots becoming northwest. a chance
of rain showers during the day. waves 4 to 7 feet subsiding to
3 to 6 feet. waves occasionally around 9 feet. 
.monday...northwest winds 15 to 20 knots becoming south. waves
3 to 5 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$