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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sun apr 26 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 30.3 inch high will build across the lower great lakes 
through monday. a 29.4 inch low over the great plains monday night 
will advance northeast into the upper great lakes later monday night 
into tuesday morning, while pushing a warm front across the lake. 
the low will head northeast to james bay tuesday night sending a 
cold front across the lake. an inverted trough averaging 29.7 inch 
inverted trough is expected across the lower great lakes wednesday 
through wednesday night. the trough/low will track to the coast of 
new england through thursday while also deepening to 29.5 inches.


loz062-261500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt sun apr 26 2026

.today...northeast winds 5 to 10 knots becoming east. areas of
fog early. waves 2 feet or less. 
.tonight...northeast winds 10 knots or less becoming east. waves
1 foot or less. 
.monday...east winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less. 
.monday night...east winds 15 to 20 knots becoming southeast
10 to 15 knots. waves 1 to 3 feet. 
.tuesday...southeast winds 5 to 15 knots becoming west. showers.
waves 1 to 3 feet. 
.wednesday...northwest winds 5 to 15 knots. showers likely. waves
1 to 2 feet. 
.thursday...northwest winds 10 to 15 knots. waves 1 to 3 feet. 

$$

fzus61 kbuf 260802
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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sun apr 26 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 30.3 inch high will build across the lower great lakes 
through monday. a 29.4 inch low over the great plains monday night 
will advance northeast into the upper great lakes later monday night 
into tuesday morning, while pushing a warm front across the lake. 
the low will head northeast to james bay tuesday night sending a 
cold front across the lake. an inverted trough averaging 29.7 inch 
inverted trough is expected across the lower great lakes wednesday 
through wednesday night. the trough/low will track to the coast of 
new england through thursday while also deepening to 29.5 inches.


loz063>065-261500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt sun apr 26 2026

.today...northeast winds 10 knots or less becoming northwest.
areas of fog early. waves 1 foot or less. 
.tonight...west winds less than 10 knots becoming northeast.
waves 1 foot or less. 
.monday...east winds 10 knots or less becoming northeast. waves
1 foot or less. 
.monday night...east winds 10 to 15 knots becoming southeast.
waves 1 to 3 feet. 
.tuesday...southeast winds 15 to 20 knots becoming south.
showers. waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet. 
.wednesday...southwest winds 5 to 15 knots becoming west. showers
likely. waves 1 to 3 feet. 
.thursday...west winds 10 to 15 knots becoming northwest 15 to
20 knots. a chance of showers during the day. waves 1 to 3 feet
building to 2 to 4 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
336 am edt sun apr 26 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...
high pressure of 30.20 inches to our north will track eastward 
overnight and exit the region monday. monday night through 
wednesday morning a low of 29.40 inches will track northeastward 
from the upper ms valley to hudson bay. a trough will linger 
over lake erie wednesday before high pressure builds across the 
north-central united states wednesday night through thursday.


lez061-168-169-261415-
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-
336 am edt sun apr 26 2026

.today...northeast winds 5 to 10 knots. patchy dense fog this
morning. waves 2 feet or less. 
.tonight...northeast winds 5 to 10 knots becoming east. waves
2 feet or less. 
.monday...east winds 5 to 10 knots. waves 1 foot or less. 
.monday night...east winds 5 to 15 knots becoming south 15 to
20 knots. a chance of showers overnight. waves 1 to 3 feet
building to 3 to 5 feet. 
.tuesday...south winds 15 to 20 knots becoming northwest 5 to
15 knots. showers likely during the day, then a chance of showers
tuesday night. waves 3 to 5 feet subsiding to 1 to 2 feet. 
.wednesday...northeast winds 5 to 15 knots becoming northwest.
showers likely during the day. waves 2 feet or less. 
.thursday...northwest winds 5 to 15 knots. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$