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ON- Lake Ontario

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fzus61 kbuf 141402
glflo 
expires:202507142100;;428047

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt mon jul 14 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 weak cold front will cross the lower great lakes today. a 30.1 
inch high will slowly drift from the upper midwest to new england 
through wednesday. a 29.7 inch low will track northeastward across 
the great lakes and into quebec wednesday night and thursday. the 
trailing cold front will slowly track across the lake on friday as 
another wave tracks across the region.


loz062-142100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt mon jul 14 2025

.this afternoon...light and variable winds. waves 1 foot or less. 
.tonight...south winds 10 knots or less becoming west. waves
1 foot or less. 
.tuesday...west winds less than 10 knots. waves 1 foot or less. 
.tuesday night...southeast winds 5 to 10 knots becoming
southwest. waves 1 foot or less. 
.wednesday...southwest winds 5 to 10 knots. a chance of showers
and thunderstorms wednesday night. waves 1 foot or less. 
.thursday...southwest winds 10 to 15 knots becoming northwest.
showers likely with a chance of thunderstorms. waves 1 to 3 feet.
.friday...northwest winds around 10 knots becoming north. a
chance of showers during the day. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kbuf 141402
glflo 
expires:202507142100;;428048

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt mon jul 14 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 weak cold front will cross the lower great lakes today. a 30.1 
inch high will slowly drift from the upper midwest to new england 
through wednesday. a 29.7 inch low will track northeastward across 
the great lakes and into quebec wednesday night and thursday. the 
trailing cold front will slowly track across the lake on friday as 
another wave tracks across the region.


loz063>065-142100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt mon jul 14 2025

.this afternoon...north winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tonight...south winds 10 knots or less becoming southwest. waves
1 foot or less. 
.tuesday...southwest winds less than 10 knots becoming south.
waves 1 foot or less. 
.tuesday night...southeast winds 10 knots or less becoming south.
waves 1 foot or less. 
.wednesday...south winds 5 to 10 knots. a chance of showers and
thunderstorms wednesday night. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots becoming northwest.
showers likely with a chance of thunderstorms. waves 1 to 3 feet.
.friday...northwest winds 5 to 15 knots becoming north. a chance
of showers. waves 1 to 3 feet subsiding to 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kbuf 141402
glfsl 
expires:202507142100;;428046

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1002 am edt mon jul 14 2025


slz022-024-142100-
saint lawrence river from cape vincent to saint regis
1002 am edt mon jul 14 2025

.this afternoon...west winds 5 to 10 knots becoming southwest.
partly to mostly sunny. 
.tonight...southwest winds 10 knots or less. mainly clear. 
.tuesday...light and variable winds. sunny.
.tuesday night...southwest winds less than 10 knots. mainly
clear. 
.wednesday...southwest winds 10 knots or less becoming south. a
chance of showers and thunderstorms wednesday night. 
.thursday...southwest winds 5 to 10 knots becoming west. showers
likely with a chance of thunderstorms. 
.friday...northwest winds 10 knots or less. a chance of showers. 

winds and waves higher in and near thunderstorms.

$$
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