fzus61 kbuf 110803
glflo 
expires:202608111500;;985889

open lake forecast for lake ontario
national weather service buffalo ny
403 am edt tue aug 11 2026

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 29.9 inch high will settle across the lake today through 
wednesday morning, before a trough averaging 29.7 inches moves over 
the lake wednesday afternoon where it will linger through thursday. 
a cold front then sweeps across the lake thursday night, with a 30.2 
inch high pressure ridge building in from the upper great lakes on 
friday, settling over the lower great lakes region on saturday.


loz062-111500-
lake ontario open waters from the niagara river to hamlin beach-
403 am edt tue aug 11 2026

.today...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.tonight...west winds less than 10 knots becoming north. waves
1 foot or less. 
.wednesday...light and variable winds. a chance of showers in the
afternoon. waves 1 foot or less. 
.wednesday night...northeast winds 10 knots or less becoming
northwest. a chance of showers. waves 1 foot or less. 
.thursday...northwest winds 5 to 10 knots. waves 2 feet or less. 
.friday...north winds 5 to 15 knots. waves 1 to 2 feet. 
.saturday...north winds 10 knots or less becoming south. waves
1 foot or less. 

$$

fzus61 kbuf 110803
glflo 
expires:202608111500;;985890

open lake forecast for lake ontario
national weather service buffalo ny
403 am edt tue aug 11 2026

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 29.9 inch high will settle across the lake today through 
wednesday morning, before a trough averaging 29.7 inches moves over 
the lake wednesday afternoon where it will linger through thursday. 
a cold front then sweeps across the lake thursday night, with a 30.2 
inch high pressure ridge building in from the upper great lakes on 
friday, settling over the lower great lakes region on saturday.


loz063>065-111500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 am edt tue aug 11 2026

.today...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.tonight...west winds 10 knots or less becoming northwest. waves
2 feet or less. 
.wednesday...northwest winds 10 knots or less becoming west.
waves 1 foot or less. 
.wednesday night...northwest winds 5 to 10 knots. a chance of
showers. waves 1 foot or less. 
.thursday...northwest winds 5 to 15 knots. waves 2 feet or less. 
.friday...northwest winds 5 to 15 knots becoming north. waves
1 to 2 feet. 
.saturday...north winds 10 knots or less becoming south. waves
2 feet or less. 

$$

fzus61 kcle 110749
glfle 
expires:202608111415;;985517

open lake forecast for lake erie
national weather service cleveland oh
349 am edt tue aug 11 2026

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...
a stationary front will oscillate near lake erie through mid week
with areas of low pressure around 29.90 inches rippling along it.
it then passes through as a cold front thursday with high pressure
30.20 inches building in for the end of the week and the weekend.


lez061-168-169-111415-
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-
349 am edt tue aug 11 2026

.today...west winds 10 knots or less. a chance of showers with a
slight chance of thunderstorms early, then a slight chance of
showers late this morning. a slight chance of showers and
thunderstorms late. waves around 1 foot. 
.tonight...west winds less than 10 knots becoming northeast. a
slight chance of showers. waves 1 foot or less. 
.wednesday...northeast winds less than 10 knots becoming
northwest. waves 1 foot or less. 
.wednesday night...west winds 10 knots or less. a chance of
showers. waves 1 foot or less. 
.thursday...northwest winds 5 to 15 knots becoming north. waves
2 feet or less. 
.friday...north winds 5 to 15 knots becoming northeast. waves
2 feet or less. 
.saturday...east winds 5 to 10 knots becoming southeast. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$