fzus61 kbuf 052002
glflo 
expires:202507060300;;934506

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sat jul 5 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 broad 30.2 inch high wil drift off of the mid-atlantic 
coast through tonight. a wavy cold frontal boundary will then 
gradually move across the upper great lakes and into southern 
ontario on sunday before crossing the lower great lakes monday. in 
the wake of the frontal passage, a 30.1 inch high will build across 
the lower great lakes tuesday and into wednesday.


loz063>065-060300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sat jul 5 2025

.tonight...southeast winds 5 to 10 knots becoming southwest.
waves 2 feet or less. 
.sunday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday night...southwest winds 5 to 10 knots becoming south.
waves 1 to 3 feet. 
.monday...south winds 5 to 10 knots becoming northwest. a chance
of showers and thunderstorms. waves 1 foot or less. 
.monday night...northwest winds 5 to 10 knots becoming north. a
chance of showers and thunderstorms. waves 1 foot or less. 
.tuesday...north winds 10 knots or less becoming west. a chance
of showers during the day. waves 1 foot or less. 
.wednesday...northwest winds less than 10 knots becoming east.
waves 1 foot or less. 
.thursday...east winds 5 to 10 knots becoming southeast. a chance
of showers. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 052002
glfsl 
expires:202507060300;;934504

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
402 pm edt sat jul 5 2025


slz022-024-060300-
saint lawrence river from cape vincent to saint regis
402 pm edt sat jul 5 2025

.tonight...southwest winds 10 knots or less. partly to mostly
cloudy. 
.sunday...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms in the afternoon. 
.sunday night...southwest winds 10 knots or less becoming
northeast. a chance of showers and thunderstorms in the evening,
then showers likely with a chance of thunderstorms overnight. 
.monday...northeast winds 10 knots or less becoming northwest.
showers likely with a chance of thunderstorms. 
.monday night...north winds less than 10 knots. showers likely
with a chance of thunderstorms in the evening, then a chance of
showers overnight. 
.tuesday...north winds less than 10 knots. mostly cloudy, then
becoming partly cloudy. 
.wednesday...north winds less than 10 knots. partly cloudy. 
.thursday...northeast winds less than 10 knots. a chance of
showers. 

winds and waves higher in and near thunderstorms.

$$