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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 pm edt sun jun 14 2026


slz022-024-150900-
saint lawrence river from cape vincent to saint regis
1003 pm edt sun jun 14 2026

.rest of tonight...southwest winds 5 to 15 knots becoming west.
showers likely late this evening, then a chance of showers after
midnight. 
.monday...west winds 5 to 15 knots. partly to mostly sunny. 
.monday night...southwest winds 10 knots or less. partly cloudy. 
.tuesday...southwest winds 5 to 10 knots. sunny.
.tuesday night...southwest winds 10 knots or less becoming south.
mainly clear in the evening, then becoming partly cloudy. 
.wednesday...south winds 5 to 10 knots. showers likely with a
chance of thunderstorms. 
.thursday...southeast winds 15 to 20 knots becoming southwest.
showers with a chance of thunderstorms. 
.friday...southwest winds 5 to 15 knots becoming west. a chance
of showers. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sun jun 14 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 29.9 inch high will build across the region through 
monday, then will exit off to our east tuesday. a 29.4 inch low will 
then track north of the lake on wednesday, with its trailing cold 
front approaching the lake late in the day on wednesday. a second 
29.4 inch surface low will then track from the upper great lakes to 
southern quebec wednesday night and thursday, while pushing its warm 
front across the lake later wednesday night and early thursday, 
followed by its trailing cold front later thursday. the low will 
then make its way to the canadian maritimes friday, while a 29.9 
inch high builds across the upper great lakes.


loz062-150900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt sun jun 14 2026

.rest of tonight...northwest winds 10 to 15 knots increasing to
15 to 20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.monday...west winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.monday night...southwest winds 5 to 10 knots. waves 1 to 2 feet.
.tuesday...southwest winds 10 to 15 knots. waves 2 feet or less. 
.tuesday night...southwest winds 5 to 15 knots becoming south. a
chance of showers overnight. waves 2 feet or less. 
.wednesday...south winds 10 to 15 knots becoming southeast 15 to
20 knots. a chance of showers during the day, then showers with a
chance of thunderstorms wednesday night. waves 1 to 3 feet. 
.thursday...south winds to 30 knots becoming west. showers with a
chance of thunderstorms during the day, then a chance of showers
thursday night. waves 4 to 7 feet building to 7 to 10 feet, then
subsiding to 5 to 8 feet. waves occasionally around 13 feet. 
.friday...west winds 15 to 20 knots. waves 4 to 7 feet subsiding
to 2 to 4 feet. waves occasionally around 9 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sun jun 14 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 29.9 inch high will build across the region through 
monday, then will exit off to our east tuesday. a 29.4 inch low will 
then track north of the lake on wednesday, with its trailing cold 
front approaching the lake late in the day on wednesday. a second 
29.4 inch surface low will then track from the upper great lakes to 
southern quebec wednesday night and thursday, while pushing its warm 
front across the lake later wednesday night and early thursday, 
followed by its trailing cold front later thursday. the low will 
then make its way to the canadian maritimes friday, while a 29.9 
inch high builds across the upper great lakes.


loz063>065-150900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt sun jun 14 2026

.rest of tonight...west winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers late this evening. waves 1 to
3 feet building to 3 to 5 feet. 
.monday...west winds 15 to 20 knots. waves 3 to 5 feet. 
.monday night...west winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 2 feet. 
.tuesday...south winds 5 to 10 knots. waves 2 feet or less. 
.tuesday night...south winds 5 to 15 knots. waves 2 feet or less.
.wednesday...south winds 5 to 15 knots becoming southeast 15 to
20 knots. showers likely with a chance of thunderstorms. waves
1 to 3 feet. 
.thursday...southeast winds to 30 knots becoming west. showers
with a chance of thunderstorms during the day, then a chance of
showers thursday night. waves 4 to 7 feet building to 7 to
11 feet. waves occasionally around 14 feet. 
.friday...west winds 15 to 25 knots. waves 6 to 9 feet subsiding
to 3 to 6 feet. waves occasionally around 11 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
1014 pm edt sun jun 14 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 from the 
northern great plains and vicinity through monday before the ridge
begins to exit eastward on tuesday through wednesday. during 
wednesday night through thursday, a potent low should wobble 
east-northeastward from the upper mississippi valley to southern 
quebec and deepen to around 29.10 inches. accordingly, a warm 
front should sweep northeastward across lake erie wednesday night 
and be followed by the eastward passage of a cold front on 
thursday. behind the cold front, a ridge should build slowly from 
the north-central united states through friday and average 29.80 
inches over lake erie.


lez061-169-150815-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
1014 pm edt sun jun 14 2026

.rest of tonight...northwest winds 10 to 15 knots. a slight
chance of showers late this evening. waves 1 to 3 feet. 
.monday...northwest winds around 10 knots becoming west. waves
1 to 2 feet. 
.monday night...southwest winds 5 to 15 knots. waves 1 to 2 feet.
.tuesday...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.tuesday night...southwest winds 5 to 15 knots becoming south. a
chance of showers. waves 1 to 3 feet. 
.wednesday...southwest winds 15 to 20 knots becoming south and
increasing to 30 knots. showers with a chance of thunderstorms
wednesday night. waves 2 to 4 feet building to 3 to 5 feet. 
.thursday...southwest winds to 30 knots becoming west and
diminishing to 10 to 15 knots. showers likely during the day.
waves 7 to 10 feet subsiding to 3 to 5 feet. waves occasionally
around 13 feet. 
.friday...west winds 10 to 15 knots. a chance of showers friday
night. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$