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open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt sun jul 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 30.2 inch surface high off the new england coast will
slowly weaken as it drifts to the gulf of saint lawrence today. a 
29.5 inch low will develop over the western great lakes tonight into 
monday, before strengthening to 29.3 inches while moving southeast 
into the lower great lakes monday night and tuesday. a cold front 
associated with this low will swing across the lake late tuesday and 
tuesday night. the low will then weaken to 29.6 inches while 
drifting east into new england by wednesday.


loz062-262100-
lake ontario open waters from the niagara river to hamlin beach-
1003 am edt sun jul 26 2026

.this afternoon...west winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tonight...southwest winds 10 knots or less. waves 1 foot or
less. 
.monday...southwest winds less than 10 knots becoming east. a
chance of showers in the afternoon. waves 1 foot or less. 
.monday night...southeast winds 5 to 10 knots. showers with a
chance of thunderstorms. waves 1 foot or less. 
.tuesday...east winds 5 to 15 knots becoming north 15 to
20 knots. showers with a chance of thunderstorms. waves 2 feet or
less building to 2 to 4 feet. 
.wednesday...north winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.thursday...north winds 5 to 15 knots becoming northwest. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 261403
glflo 
expires:202607262100;;637763

open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt sun jul 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 30.2 inch surface high off the new england coast will
slowly weaken as it drifts to the gulf of saint lawrence today. a 
29.5 inch low will develop over the western great lakes tonight into 
monday, before strengthening to 29.3 inches while moving southeast 
into the lower great lakes monday night and tuesday. a cold front 
associated with this low will swing across the lake late tuesday and 
tuesday night. the low will then weaken to 29.6 inches while 
drifting east into new england by wednesday.


loz063>065-262100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 am edt sun jul 26 2026

.this afternoon...southwest winds 10 knots or less. waves 1 foot
or less. 
.tonight...southwest winds less than 10 knots. a chance of
showers late. waves 1 foot or less. 
.monday...southwest winds 10 knots or less becoming east. a
chance of showers in the morning. waves 1 foot or less. 
.monday night...southeast winds 10 knots or less. a chance of
showers in the evening, then showers with a chance of
thunderstorms overnight. waves 1 foot or less. 
.tuesday...southeast winds 5 to 15 knots becoming northeast 15 to
20 knots. showers with a chance of thunderstorms. waves 1 to
3 feet. 
.wednesday...north winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely with a chance of thunderstorms. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...north winds 5 to 15 knots becoming northwest less
than 10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
351 pm edt sun jul 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...
a trough averaging 29.90 inches persists over lake erie monday 
with pressure falling to 29.70 inches ahead of a cold front that 
crosses monday night and tuesday morning. a post frontal trough 
29.80 inches lingers through wednesday before high pressure 30.00 
inches moves over lake erie thursday.


lez061-168-169-270215-
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-
351 pm edt sun jul 26 2026

.tonight...southwest winds 10 knots or less. waves 1 foot or
less. 
.monday...southwest winds 10 knots or less. a slight chance of
showers and thunderstorms late. waves 1 foot or less. 
.monday night...southwest winds 5 to 15 knots. showers with a
chance of thunderstorms. waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots becoming north 15 to
20 knots. showers. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday night...north winds 15 to 20 knots. showers likely in
the evening, then a chance of showers overnight. waves 3 to
5 feet. 
.wednesday...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet. 
.thursday...north winds 5 to 15 knots becoming west. waves 2 feet
or less. 
.friday...southwest winds less than 10 knots becoming south.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$