fzus61 kbuf 090803
glflo 
expires:202608091500;;871117

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sun aug 9 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 30.2 inch high will ridge northward across the lower 
great lakes today. this ridge will then begin to exit eastward, with 
a warm front crossing the lake later tonight, followed by a cold 
front moving across the lake monday night. behind the front, a 
trough averaging 29.8 inches will linger over the eastern great 
lakes through this thursday, with another cold front progged to 
sweep across the lake wednesday night.


loz062-091500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt sun aug 9 2026

.today...west winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.tonight...south winds 10 knots or less. a chance of showers
after midnight. showers likely late. waves 1 foot or less. 
.monday...southwest winds 5 to 10 knots becoming west. showers
likely in the morning, then showers likely with a chance of
thunderstorms in the afternoon. waves 2 feet or less. 
.monday night...west winds 5 to 10 knots. a chance of showers in
the evening. waves 1 to 2 feet. 
.tuesday...west winds 10 knots or less becoming north. waves
1 foot or less. 
.wednesday...northwest winds 10 knots or less. a chance of
showers. waves 1 foot or less. 
.thursday...northwest winds 5 to 15 knots. a chance of showers
during the day. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 090803
glflo 
expires:202608091500;;871118

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sun aug 9 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 30.2 inch high will ridge northward across the lower 
great lakes today. this ridge will then begin to exit eastward, with 
a warm front crossing the lake later tonight, followed by a cold 
front moving across the lake monday night. behind the front, a 
trough averaging 29.8 inches will linger over the eastern great 
lakes through this thursday, with another cold front progged to 
sweep across the lake wednesday night.


loz063>065-091500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt sun aug 9 2026

.today...west winds 10 to 15 knots. waves 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming south. a chance of
showers late. waves 2 feet or less. 
.monday...south winds 10 to 15 knots becoming west. showers
likely in the morning, then showers likely with a chance of
thunderstorms in the afternoon. waves 1 to 2 feet. 
.monday night...west winds 10 to 15 knots. a chance of showers
and thunderstorms in the evening. waves 1 to 2 feet. 
.tuesday...west winds 5 to 10 knots. waves 2 feet or less. 
.wednesday...west winds 10 knots or less. a chance of showers.
waves 1 foot or less. 
.thursday...west winds 5 to 15 knots becoming northwest. a chance
of showers. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 090749
glfle 
expires:202608091415;;870748

open lake forecast for lake erie
national weather service cleveland oh
349 am edt sun aug 9 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 ridge averaging 30.00 inches builds over the area today. three 
weak low pressure systems 29.90 inches will move through the 
region sunday night through wednesday. high pressure 30.00 inches
will build into the region starting on thursday.


lez061-168-169-091415-
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 sun aug 9 2026

.today...north winds less than 10 knots becoming northwest. waves
2 feet or less. 
.tonight...light and variable winds becoming southwest 15 to
20 knots. a slight chance of showers and thunderstorms late in
the evening. a chance of showers and thunderstorms after
midnight. waves 1 foot or less building to 1 to 3 feet. 
.monday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers likely with a chance of thunderstorms in the
morning. waves 2 to 4 feet building to 3 to 5 feet. 
.monday night...west winds 5 to 15 knots becoming southwest. a
chance of showers. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.tuesday...southwest winds 10 knots or less becoming west. a
chance of showers. waves 1 to 2 feet. 
.wednesday...west winds 10 knots or less becoming northwest. a
chance of showers and thunderstorms. waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots becoming north. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$