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open lake forecast for lake ontario
national weather service buffalo ny
344 am edt sun may 12 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 29.6 inch low will slowly track east across lake 
ontario overnight. a weak trough will persist over the lake on 
sunday morning, before weak high pressure over west virginia noses
northward over the region sunday afternoon and sunday night. a 
wavy cold frontal boundary over lower michigan on monday will 
slowly work across the lake on tuesday into tuesday night. a 30.0 
inch high centered over western ontario on wednesday will settle 
across the lower great lakes wednesday night and thursday.


loz063>065-121515-
lake ontario open waters from hamlin beach to the saint lawrence
river-
344 am edt sun may 12 2024

.today...southeast winds 10 knots or less becoming northeast.
patchy fog early. a chance of showers early. waves 1 foot or
less. 
.tonight...southwest winds 10 knots or less becoming south 10 to
15 knots. waves 1 foot or less. 
.monday...south winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely in the morning, then showers likely with
a chance of thunderstorms in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.monday night...south winds 10 to 15 knots. showers likely with a
chance of thunderstorms. waves 1 to 3 feet. 
.tuesday...south winds 5 to 15 knots becoming north. occasional
showers with a chance of thunderstorms during the day, then
occasional showers tuesday night. waves 1 to 3 feet. 
.wednesday...northeast winds 10 to 15 knots becoming north. a
chance of showers during the day. waves 1 to 3 feet. 
.thursday...northeast winds 5 to 10 knots becoming southeast.
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
344 am edt sun may 12 2024


slz022-024-121515-
saint lawrence river from cape vincent to saint regis
344 am edt sun may 12 2024

.today...southeast winds less than 10 knots becoming south.
patchy fog early. a chance of showers this morning, then showers
likely early this afternoon. a chance of showers late. 
.tonight...southwest winds 10 knots or less becoming south. a
chance of showers early. 
.monday...south winds 5 to 15 knots. showers likely in the
morning, then occasional showers with a chance of thunderstorms
in the afternoon. 
.monday night...south winds 5 to 10 knots. occasional showers
with a chance of thunderstorms. 
.tuesday...southwest winds 10 knots or less becoming northwest.
occasional showers with a chance of thunderstorms during the day,
then occasional showers tuesday night. 
.wednesday...north winds 5 to 10 knots. a chance of showers
during the day. 
.thursday...northeast winds 5 to 10 knots becoming southeast.
partly cloudy. 

winds and waves higher in and near thunderstorms.

$$