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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1036 pm edt sun may 19 2024


slz022-024-200915-
saint lawrence river from cape vincent to saint regis
1036 pm edt sun may 19 2024

.overnight...light and variable winds. patchy fog late. 
.monday...southwest winds 10 knots or less. patchy fog early...
otherwise partly sunny. 
.monday night...southwest winds 10 knots or less. partly cloudy. 
.tuesday...southwest winds 5 to 10 knots. a chance of showers in
the morning, then a chance of showers and thunderstorms in the
afternoon. 
.tuesday night...southwest winds 10 knots or less. partly cloudy.
.wednesday...southwest winds 5 to 10 knots. a chance of showers
during the day, then a chance of showers and thunderstorms
wednesday night. 
.thursday...southwest winds 10 to 15 knots. a chance of showers
and thunderstorms. 
.friday...west winds 10 to 15 knots. mostly sunny.

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1035 pm edt sun may 19 2024

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 weak 30.0 moisture starved cold front will stall
over the lake overnight before dissipating in place on monday. an
elongated area of high pressure stretching from nova scotia to 
the carolinas and the deep south monday afternoon will remain in 
place through tuesday night. a 29.3 inch low over lake superior on
wednesday will push a rather strong cold front across the lake 
wednesday night. a 30.0 inch high over the upper mississippi 
valley on thursday will build across the great lakes region 
thursday night and friday.


loz063>065-200915-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1035 pm edt sun may 19 2024

.tonight...west winds less than 10 knots. areas of fog. waves
1 foot or less. 
.monday...light and variable winds. areas of fog through early
afternoon. waves 1 foot or less. 
.monday night...southeast winds 10 knots or less becoming south.
waves 1 foot or less. 
.tuesday...south winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.tuesday night...southwest winds 5 to 10 knots becoming south.
waves 2 feet or less. 
.wednesday...south winds 10 to 15 knots. a chance of showers and 
thunderstorms. waves 2 feet or less. 
.thursday...southwest winds 15 to 20 knots. a chance of showers 
and thunderstorms. waves 1 to 3 feet. 
.friday...west winds 10 to 15 knots. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$