fzus61 kbuf 311403
glflo 
expires:202607312100;;391112

open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt fri jul 31 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...
high pressure averaging 30.0 inches will settle across the area this 
afternoon, before sliding east and off the new england coast over 
the weekend. a wavy cold front will then slowly push southeast 
across the lake sunday night and monday, with another 30.1 inch high 
then gradually building southeastward across the lake through the 
middle of next week.


loz062-312100-
lake ontario open waters from the niagara river to hamlin beach-
1003 am edt fri jul 31 2026

.this afternoon...west winds less than 10 knots becoming
southwest. waves 1 foot or less. 
.tonight...south winds 10 knots or less becoming southwest. waves
1 foot or less. 
.saturday...southwest winds 10 knots or less becoming east. waves
1 foot or less. 
.saturday night...east winds 5 to 10 knots. a chance of showers
in the evening, then showers overnight. waves 1 foot or less. 
.sunday...east winds 5 to 10 knots becoming northwest. showers
with a chance of thunderstorms. waves 1 foot or less. 
.monday...northwest winds 10 knots or less. waves 2 feet or less.
.tuesday...northeast winds 5 to 10 knots becoming east. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 311403
glflo 
expires:202607312100;;391113

open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt fri jul 31 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...
high pressure averaging 30.0 inches will settle across the area this 
afternoon, before sliding east and off the new england coast over 
the weekend. a wavy cold front will then slowly push southeast 
across the lake sunday night and monday, with another 30.1 inch high 
then gradually building southeastward across the lake through the 
middle of next week.


loz063>065-312100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 am edt fri jul 31 2026

.this afternoon...west winds 5 to 10 knots. waves 1 foot or less. 
.tonight...southwest winds 10 knots or less becoming south. waves
1 foot or less. 
.saturday...south winds 10 knots or less becoming east. waves
1 foot or less. 
.saturday night...east winds 5 to 15 knots becoming southeast. a
chance of showers in the evening, then showers likely overnight.
waves 1 foot or less. 
.sunday...southeast winds 10 to 15 knots becoming southwest.
showers with a chance of thunderstorms. waves 2 feet or less. 
.monday...west winds 5 to 15 knots becoming northwest. a chance
of showers during the day. waves 2 feet or less. 
.tuesday...west winds 10 knots or less becoming southeast. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 am edt fri jul 31 2026


slz022-024-312100-
saint lawrence river from cape vincent to saint regis
1003 am edt fri jul 31 2026

.this afternoon...light and variable winds. sunny.
.tonight...southwest winds less than 10 knots becoming south.
mainly clear early, then becoming mostly cloudy. 
.saturday...south winds less than 10 knots becoming southwest.
partly sunny. 
.saturday night...light and variable winds. a chance of showers
in the evening, then showers likely overnight. 
.sunday...south winds 5 to 10 knots. showers with a chance of
thunderstorms. 
.monday...southwest winds 5 to 10 knots becoming light and
variable. showers likely with a chance of thunderstorms during
the day. 
.tuesday...west winds less than 10 knots. mainly clear, then
becoming partly cloudy. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 311405
glfle 
expires:202607312015;;391219

open lake forecast for lake erie
national weather service cleveland oh
1005 am edt fri jul 31 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 30.10 inches will remain over the region today
before low pressure 29.60 inches enters from the west on saturday
and slowly passes south of the lake through sunday. high pressure
30.00 inches will build back into the great lakes region for the
start of next week.


lez061-168-169-312015-
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-
1005 am edt fri jul 31 2026

.this afternoon...southwest winds less than 10 knots. waves 1 foot
or less. 
.tonight...light and variable winds becoming south 5 to 10 knots.
waves 1 foot or less. 
.saturday...south winds 10 knots or less becoming east. waves
1 foot or less. 
.saturday night...east winds 5 to 10 knots becoming southeast.
showers likely in the evening, then showers with a chance of
thunderstorms overnight. waves 1 foot or less. 
.sunday...southeast winds 5 to 15 knots becoming north. showers
with a chance of thunderstorms during the day, then a chance of
showers and thunderstorms sunday night. waves 2 feet or less. 
.monday...northeast winds 5 to 15 knots. waves 2 feet or less. 
.tuesday...east winds 10 knots or less becoming southeast. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$