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ON- Lake Ontario

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fzus61 kbuf 072003
glfsl 
expires:202606080300;;349131

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 pm edt sun jun 7 2026


slz022-024-080300-
saint lawrence river from cape vincent to saint regis
403 pm edt sun jun 7 2026

.tonight...northeast winds less than 10 knots. patchy fog late. 
.monday...light and variable winds. patchy fog early. 
.monday night...light and variable winds. clear.
.tuesday...south winds less than 10 knots becoming southwest.
sunny.
.tuesday night...southwest winds less than 10 knots. a chance of
showers overnight. 
.wednesday...south winds 10 knots or less becoming southwest.
showers with a chance of thunderstorms. 
.thursday...southwest winds less than 10 knots. a chance of
showers and thunderstorms. 
.friday...southwest winds 10 knots or less. a chance of showers
and thunderstorms. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kbuf 072002
glflo 
expires:202606080300;;349106

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun jun 7 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 high over quebec will settle southeast to 
the new england coast monday, then offshore tuesday, where it will 
then remain anchored through thursday. meanwhile a 29.7 inch low 
will track from lower michigan to southern quebec tuesday night and 
wednesday, with another 29.7 inch trough crossing the lake friday.


loz062-080300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sun jun 7 2026

.tonight...west winds 10 knots or less becoming east. waves
1 foot or less. 
.monday...east winds 5 to 15 knots. waves 2 feet or less. 
.monday night...east winds 5 to 15 knots becoming southeast less
than 10 knots. waves 1 to 2 feet. 
.tuesday...light and variable winds becoming east 5 to 10 knots.
waves 1 foot or less. 
.tuesday night...east winds 5 to 10 knots becoming south.
showers. waves 1 foot or less. 
.wednesday...southwest winds 5 to 15 knots. showers with a chance
of thunderstorms during the day, then a chance of showers and
thunderstorms wednesday night. waves 2 feet or less. 
.thursday...southwest winds 5 to 15 knots. a chance of showers
and thunderstorms. waves 2 feet or less. 
.friday...southwest winds 5 to 15 knots becoming west. a chance
of showers and thunderstorms. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kbuf 072002
glflo 
expires:202606080300;;349107

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun jun 7 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 high over quebec will settle southeast to 
the new england coast monday, then offshore tuesday, where it will 
then remain anchored through thursday. meanwhile a 29.7 inch low 
will track from lower michigan to southern quebec tuesday night and 
wednesday, with another 29.7 inch trough crossing the lake friday.


loz063>065-080300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sun jun 7 2026

.tonight...northwest winds 10 knots or less becoming east. waves
2 feet or less. 
.monday...east winds 5 to 10 knots becoming northeast. waves
1 foot or less. 
.monday night...northeast winds 5 to 10 knots becoming southeast.
waves 1 foot or less. 
.tuesday...south winds 10 knots or less becoming east. waves
1 foot or less. 
.tuesday night...east winds 10 knots or less becoming south. a
chance of showers in the evening, then showers likely overnight.
waves 1 foot or less. 
.wednesday...south winds 5 to 10 knots becoming southwest.
showers with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms wednesday night. waves 1 foot
or less. 
.thursday...southwest winds 10 knots or less. a chance of showers
and thunderstorms during the day, then a chance of showers
thursday night. waves 1 foot or less. 
.friday...southwest winds 5 to 10 knots becoming west. a chance
of showers and thunderstorms. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$
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