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open lake forecast for lake ontario
national weather service buffalo ny
450 pm edt fri apr 24 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 slightly weaken to 29.7 inches as 
it passes just southwest of lake tonight, while nudging a warm front 
a bit further east over the lake. the low then slide southeast into 
the mid atlantic region saturday forcing the front back to the 
southwest of the lake. a 30.2 inch area of high pressure will build 
across the lower great lakes saturday night through monday. a 29.4 
inch area of low pressure over the great plains monday night, will 
advance northeast into the upper great lakes later monday night into 
tuesday morning while pushing an attendant warm front across the 
lake before heading northeast to james bay tuesday night sending an 
attendant cold front across the lake.


loz062-250300-
lake ontario open waters from the niagara river to hamlin beach-
450 pm edt fri apr 24 2026

.tonight...east winds 15 to 20 knots. a chance of rain showers.
rain showers late. waves 2 to 4 feet building to 3 to 5 feet. 
.saturday...east winds 20 to 25 knots. rain showers in the
morning, then a chance of rain showers in the afternoon. waves
4 to 7 feet building to 5 to 9 feet. waves occasionally around
11 feet. 
.saturday night...east winds 15 to 20 knots becoming northeast
10 to 15 knots. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet. 
.sunday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less. 
.sunday night...east winds 10 knots or less. waves 1 foot or
less. 
.monday...east winds 5 to 15 knots becoming southeast. waves
2 feet or less. 
.tuesday...southeast winds 10 to 15 knots becoming southwest.
showers likely. waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots becoming northwest. a
chance of showers. waves 1 to 2 feet. 

$$

fzus61 kbuf 242050
glflo 
expires:202604250300;;460443

open lake forecast for lake ontario
national weather service buffalo ny
450 pm edt fri apr 24 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 slightly weaken to 29.7 inches as 
it passes just southwest of lake tonight, while nudging a warm front 
a bit further east over the lake. the low then slide southeast into 
the mid atlantic region saturday forcing the front back to the 
southwest of the lake. a 30.2 inch area of high pressure will build 
across the lower great lakes saturday night through monday. a 29.4 
inch area of low pressure over the great plains monday night, will 
advance northeast into the upper great lakes later monday night into 
tuesday morning while pushing an attendant warm front across the 
lake before heading northeast to james bay tuesday night sending an 
attendant cold front across the lake.


loz063>065-250300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
450 pm edt fri apr 24 2026

.tonight...northeast winds 5 to 15 knots becoming east 15 to
20 knots. a chance of rain showers late. waves 1 to 3 feet
building to 2 to 4 feet. 
.saturday...east winds 15 to 20 knots becoming northeast. a
chance of showers early, then showers likely. a chance of showers
late. waves 3 to 6 feet. 
.saturday night...east winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of showers in the evening. waves 2 to 4 feet
subsiding to 1 foot or less. 
.sunday...northeast winds 5 to 10 knots becoming north. waves
1 foot or less. 
.sunday night...north winds less than 10 knots becoming
northeast. waves 1 foot or less. 
.monday...northeast winds 10 knots or less becoming southeast
10 to 15 knots. waves 2 feet or less. 
.tuesday...southeast winds 15 to 20 knots becoming south. a
chance of showers. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...southwest winds 5 to 15 knots becoming west. a
chance of showers. waves 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
405 pm edt fri apr 24 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 will track east this evening into the overnight 
hours. high pressure 30.00 inches will build into the region on 
saturday and sunday before strengthening low pressure 29.40 inches
moves across the western great lakes region, moving another cold 
front east on tuesday.


lez061-168-169-250245-
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-
405 pm edt fri apr 24 2026

.tonight...northeast winds 10 to 15 knots. a chance of showers
and thunderstorms early, then showers likely with a chance of
thunderstorms late this evening. showers with a slight chance of
thunderstorms after midnight. waves 2 to 4 feet. 
.saturday...northeast winds 10 to 15 knots becoming north 15 to
20 knots. showers likely early, then a chance of showers from
late morning on. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday night...north winds 15 to 20 knots becoming northeast
10 to 15 knots. waves 2 feet or less. 
.sunday...northeast winds 10 to 15 knots. waves 2 feet or less. 
.sunday night...northeast winds 5 to 10 knots becoming east.
waves 1 foot or less. 
.monday...east winds 5 to 15 knots becoming southeast 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 5 to
15 knots. showers likely with a chance of thunderstorms during
the day. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots becoming north. waves 1 to
2 feet. 

winds and waves higher in and near thunderstorms.

$$