fzus61 kbuf 252002
glflo 
expires:202604260300;;514706

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sat apr 25 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 
tonight 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.


loz062-260300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sat apr 25 2026

.tonight...northeast winds to 30 knots diminishing to 10 to
15 knots. rain showers likely early. waves 6 to 10 feet subsiding
to 3 to 5 feet. waves occasionally around 13 feet. 
.sunday...northeast winds 5 to 10 knots becoming east. waves 1 to
3 feet subsiding to 1 foot or less. 
.sunday night...east winds 10 knots or less. 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 15 to 20 knots becoming southwest and
diminishing to 5 to 10 knots. showers. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.wednesday...west winds 5 to 15 knots. a chance of showers. waves
2 feet or less building to 2 to 3 feet. 
.thursday...west winds 10 to 15 knots becoming northwest. waves
1 to 3 feet. 

$$

fzus61 kbuf 252002
glflo 
expires:202604260300;;514707

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sat apr 25 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 
tonight 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.


loz063>065-260300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sat apr 25 2026

.tonight...east winds 15 to 25 knots diminishing to 5 to
15 knots. rain showers this evening. waves 4 to 7 feet subsiding
to 1 to 3 feet. waves occasionally around 9 feet. 
.sunday...northeast winds 10 knots or less becoming northwest.
waves 2 feet or less. 
.sunday night...northwest winds less than 10 knots. waves 1 foot
or less. 
.monday...southeast winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.monday night...east winds 5 to 15 knots becoming southeast 15 to
20 knots. 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...south winds 10 to 15 knots becoming west. showers
likely. waves 1 to 3 feet. 
.thursday...west winds 15 to 20 knots becoming northwest. waves
2 to 4 feet. 

$$

fzus61 kcle 251947
glfle 
expires:202604260215;;514118

open lake forecast for lake erie
national weather service cleveland oh
347 pm edt sat apr 25 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 high pressure ridge averaging 30.00 inches builds gradually 
from the james bay area through tonight. the ridge exits slowly 
eastward on sunday through monday night. during tuesday through 
tuesday night, a warm front sweeps northeastward across lake erie 
and will be followed quickly by the eastward passage of a cold 
front as a low moves from near lake superior to hudson bay and 
deepens to 29.10 inches. behind the cold front, a trough averaging
29.80 inches lingers over lake erie on wednesday before a ridge 
averaging 30.00 inches builds from the north-central united 
states wednesday night through this thursday.


lez061-168-169-260215-
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-
347 pm edt sat apr 25 2026

.tonight...north winds 5 to 15 knots becoming northeast. patchy
fog. waves 1 to 3 feet. 
.sunday...northeast winds 5 to 10 knots. patchy fog in the
morning. waves 2 feet or less. 
.sunday night...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 southeast and
increasing to 15 to 25 knots. a chance of showers overnight.
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 with a chance of thunderstorms during the day,
then a chance of showers tuesday night. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.wednesday...northwest winds 5 to 10 knots. a chance of showers
during the day. waves 1 to 2 feet. 
.thursday...northwest winds 5 to 10 knots. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$