fzus61 kbuf 192001
glflo 
expires:202505200300;;806519

open lake forecast for lake ontario
national weather service buffalo ny
401 pm edt mon may 19 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 low will slowly drift southeast of the 
canadian maritimes through tonight. meanwhile, the lake will be on 
the southern periphery of a large 30.6 inch ridge centered over the 
hudson bay today. a 29.5 inch low will track from the central plains 
tuesday to the ohio valley by wednesday. the low will stall across 
the central appalachians before transitioning to the east coast 
thursday. the 29.5 inch low will move north along the east coast 
through friday. a 30.4 inch high will move into the upper great 
lakes region saturday, while slowly building into the eastern great 
lakes region through sunday.


loz062-200300-
lake ontario open waters from the niagara river to hamlin beach-
401 pm edt mon may 19 2025

.tonight...northwest winds 5 to 10 knots becoming north. waves
1 to 2 feet. 
.tuesday...north winds 10 knots or less becoming southeast. waves
1 foot or less. 
.tuesday night...east winds 5 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.wednesday...east winds 15 to 25 knots. a chance of showers in
the morning, then periods of rain in the afternoon. waves 2 to
4 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.wednesday night...east winds 15 to 25 knots. periods of rain.
waves 4 to 7 feet subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.thursday...east winds 15 to 20 knots becoming southeast 10 to
15 knots. periods of rain. waves 3 to 5 feet subsiding to 2 to
4 feet. 
.friday...south winds 10 to 15 knots becoming northwest. showers
likely. waves 1 to 3 feet. 
.saturday...northwest winds 10 to 15 knots becoming west. a
chance of showers. waves around 2 feet. 

$$

fzus61 kbuf 192001
glflo 
expires:202505200300;;806520

open lake forecast for lake ontario
national weather service buffalo ny
401 pm edt mon may 19 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 low will slowly drift southeast of the 
canadian maritimes through tonight. meanwhile, the lake will be on 
the southern periphery of a large 30.6 inch ridge centered over the 
hudson bay today. a 29.5 inch low will track from the central plains 
tuesday to the ohio valley by wednesday. the low will stall across 
the central appalachians before transitioning to the east coast 
thursday. the 29.5 inch low will move north along the east coast 
through friday. a 30.4 inch high will move into the upper great 
lakes region saturday, while slowly building into the eastern great 
lakes region through sunday.


loz063>065-200300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
401 pm edt mon may 19 2025

.tonight...northwest winds 5 to 15 knots becoming north. waves
1 to 3 feet. 
.tuesday...north winds 5 to 15 knots becoming west. waves 2 feet
or less. 
.tuesday night...northeast winds 5 to 15 knots becoming east.
waves 2 feet or less. 
.wednesday...east winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers in the morning, then periods of
rain in the afternoon. waves 1 to 3 feet building to 2 to 4 feet.
.wednesday night...east winds 15 to 20 knots becoming southeast.
periods of rain. waves 3 to 5 feet. 
.thursday...east winds 15 to 20 knots becoming southeast 10 to
15 knots. periods of rain. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.friday...southeast winds 10 to 15 knots becoming west. showers
likely. waves 1 to 2 feet. 
.saturday...northwest winds 10 to 15 knots becoming west. a
chance of showers. waves 1 to 3 feet. 

$$

fzus61 kcle 191938
glfle 
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open lake forecast for lake erie
national weather service cleveland oh
338 pm edt mon may 19 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 ridge of high pressure averaging 30.00 inches will move east
across the area tonight before departing to the east on tuesday. 
low pressure 29.50 inches will move will move east across the ohio
river valley late tuesday into wednesday. a surface trough 
averaging 29.80 inches will linger over the area thursday through 
saturday.


lez061-168-169-200215-
ripley to buffalo ny extending from 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-
338 pm edt mon may 19 2025

.tonight...west winds 5 to 10 knots becoming northeast 10 to
15 knots. waves 1 to 3 feet. 
.tuesday...northeast winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.tuesday night...northeast winds 15 to 25 knots. showers
overnight. waves 2 to 4 feet building to 3 to 6 feet. 
.wednesday...northeast winds 15 to 25 knots becoming east.
showers. waves 3 to 6 feet. 
.wednesday night...east winds 15 to 20 knots becoming south 10 to
15 knots. showers in the evening, then showers likely overnight.
waves 3 to 5 feet subsiding to 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots becoming northwest.
showers likely during the day, then a chance of showers thursday
night. waves 1 to 3 feet. 
.friday...west winds 10 to 15 knots becoming northwest. showers
likely during the day. waves 1 to 3 feet. 
.saturday...northwest winds 5 to 10 knots. a chance of showers
during the day. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$