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expires:202507120300;;276007

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri jul 11 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 29.6 inch low will lift across the upper great lakes 
tonight, then into northwest ontario on saturday, before reaching 
james bay on sunday while also deepening to 29.2 inches. in the 
process, the system will push a warm front across the lake saturday 
night, followed by a slow-moving trailing cold front later sunday 
into sunday night. a 30.1 inch high over the ohio valley will then 
build across the lower great lakes monday through wednesday.


loz062-120300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt fri jul 11 2025

.tonight...southeast winds 10 knots or less becoming south. a
chance of showers and thunderstorms late. waves 1 foot or less. 
.saturday...southeast winds 10 knots or less becoming east. waves
1 foot or less. 
.saturday night...southeast winds 5 to 10 knots becoming
southwest. a chance of showers. waves 1 to 2 feet. 
.sunday...southwest winds around 10 knots. showers likely with a
chance of thunderstorms. waves 1 to 2 feet. 
.sunday night...southwest winds 5 to 10 knots becoming west. a
chance of showers and thunderstorms in the evening. waves 2 feet
or less. 
.monday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.tuesday...west winds 10 knots or less becoming southwest. waves
1 foot or less. 
.wednesday...southwest winds 5 to 10 knots becoming west. a
chance of showers. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 112002
glflo 
expires:202507120300;;276008

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri jul 11 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 29.6 inch low will lift across the upper great lakes 
tonight, then into northwest ontario on saturday, before reaching 
james bay on sunday while also deepening to 29.2 inches. in the 
process, the system will push a warm front across the lake saturday 
night, followed by a slow-moving trailing cold front later sunday 
into sunday night. a 30.1 inch high over the ohio valley will then 
build across the lower great lakes monday through wednesday.


loz063>065-120300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt fri jul 11 2025

.tonight...southeast winds less than 10 knots becoming south.
waves 1 foot or less. 
.saturday...south winds 5 to 10 knots becoming east. waves 1 foot
or less. 
.saturday night...east winds 5 to 15 knots becoming south. a
chance of showers overnight. waves 2 feet or less. 
.sunday...south winds 5 to 15 knots becoming southwest. showers
likely with a chance of thunderstorms in the morning, then
showers with thunderstorms likely in the afternoon. waves 1 to
2 feet. 
.sunday night...southwest winds 5 to 10 knots becoming west.
showers with a chance of thunderstorms in the evening, then a
chance of showers and thunderstorms overnight. waves 2 feet or
less. 
.monday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.tuesday...southwest winds 10 knots or less becoming south. waves
1 foot or less. 
.wednesday...south winds 5 to 15 knots becoming southwest. a
chance of showers wednesday night. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 111936
glfle 
expires:202507120215;;275045

open lake forecast for lake erie
national weather service cleveland oh
336 pm edt fri jul 11 2025

for waters beyond five nautical miles of shore on lake erie

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...
the stationary front has now lifted northward across the northern
shore of lake erie and will continue the northward track tonight.
pressure will hold steady around 30.00 inches until a cold front
tracks across the lake late sunday into sunday night. high
pressure 30.10 inches moves in for monday through tuesday.



lez061-168-169-120215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
336 pm edt fri jul 11 2025

.tonight...southeast winds 10 knots or less. a slight chance of
showers and thunderstorms late this evening. a chance of showers
and thunderstorms after midnight. waves 1 foot or less. 
.saturday...south winds 5 to 10 knots. waves 1 foot or less. 
.saturday night...south winds 5 to 10 knots becoming southwest. a
chance of showers and thunderstorms. waves 2 feet or less. 
.sunday...southwest winds around 10 knots becoming west. a chance
of showers in the morning, then a chance of showers and
thunderstorms in the afternoon. waves 1 to 2 feet. 
.sunday night...west winds 5 to 10 knots becoming southwest. a
chance of showers and thunderstorms in the evening. waves 1 to
2 feet. 
.monday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.tuesday...southwest winds 10 knots or less becoming south. waves
1 foot or less. 
.wednesday...south winds 5 to 10 knots becoming southwest. a
chance of showers. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$