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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt tue jul 8 2025

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 30.1 inch high will build across the lower great lakes 
through wednesday. a broad 29.9 inch surface low will then track 
across the mid-atlantic states thursday and friday.


loz063>065-081500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt tue jul 8 2025

.today...north winds 10 knots or less becoming west. waves 1 foot
or less. 
.tonight...west winds less than 10 knots becoming northwest.
waves 1 foot or less. 
.wednesday...south winds less than 10 knots becoming northeast.
waves 1 foot or less. 
.wednesday night...northeast winds 10 knots or less becoming
southeast. a chance of showers and thunderstorms. waves 1 foot or
less. 
.thursday...south winds 10 knots or less becoming southwest. a
chance of showers during the day. waves 1 foot or less. 
.friday...west winds less than 10 knots becoming south. waves
1 foot or less. 
.saturday...southeast winds 5 to 10 knots becoming south. a
chance of showers saturday night. waves 2 feet 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
402 am edt tue jul 8 2025


slz022-024-081500-
saint lawrence river from cape vincent to saint regis
402 am edt tue jul 8 2025

.today...northeast winds less than 10 knots. mostly cloudy early,
then becoming mostly sunny. 
.tonight...light and variable winds. patchy fog after midnight. 
.wednesday...light and variable winds. patchy fog in the morning.
.wednesday night...light and variable winds. a chance of showers
and thunderstorms. 
.thursday...south winds less than 10 knots. showers likely with a
chance of thunderstorms. 
.friday...light and variable winds. mainly clear. 
.saturday...south winds less than 10 knots. a chance of showers
saturday night. 

winds and waves higher in and near thunderstorms.

$$