fzus61 kbuf 072039
glflo 
expires:202608080315;;789543

open lake forecast for lake ontario
national weather service buffalo ny
439 pm edt fri aug 7 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 high pressure ridge averaging 30.0 inches exits 
eastward before a cold front sweeps eastward across lake ontario 
saturday night. behind the front, a ridge averaging 30.1 inches
builds from the western great lakes through sunday. this ridge 
begins to exit eastward sunday night and another cold front should
sweep eastward across lake ontario monday night. behind the 
front, a trough averaging 29.8 inches should linger over the 
eastern great lakes through this wednesday.


loz062-080315-
lake ontario open waters from the niagara river to hamlin beach-
439 pm edt fri aug 7 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 072039
glflo 
expires:202608080315;;789544

open lake forecast for lake ontario
national weather service buffalo ny
439 pm edt fri aug 7 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 high pressure ridge averaging 30.0 inches exits 
eastward before a cold front sweeps eastward across lake ontario 
saturday night. behind the front, a ridge averaging 30.1 inches
builds from the western great lakes through sunday. this ridge 
begins to exit eastward sunday night and another cold front should
sweep eastward across lake ontario monday night. behind the 
front, a trough averaging 29.8 inches should linger over the 
eastern great lakes through this wednesday.


loz063>065-080315-
lake ontario open waters from hamlin beach to the saint lawrence
river-
439 pm edt fri aug 7 2026

.tonight...east winds less than 10 knots becoming south. a chance
of showers and thunderstorms this evening, then a chance of
showers after midnight. waves 1 foot or less. 
.saturday...southwest winds 5 to 10 knots. a chance of showers
late in the morning. a chance of showers and thunderstorms in the
afternoon. waves 2 feet or less. 
.saturday night...southwest winds 5 to 15 knots becoming west. a
chance of showers. waves 2 feet or less building to 2 to 3 feet. 
.sunday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday night...southwest winds 5 to 15 knots becoming south.
waves 2 feet or less. 
.monday...south winds 5 to 10 knots becoming west. a chance of
showers and thunderstorms during the day, then showers likely
with a chance of thunderstorms monday night. waves 1 to 2 feet. 
.tuesday...west winds 5 to 10 knots becoming northwest. a chance
of showers. waves 2 feet or less. 
.wednesday...northwest winds 5 to 10 knots becoming west. a
chance of showers wednesday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 071945
glfle 
expires:202608080215;;787163

open lake forecast for lake erie
national weather service cleveland oh
345 pm edt fri aug 7 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...
low pressure 29.60 inches gliding east across ontario into quebec
will drag a cold front east across lake erie on saturday into 
saturday night. a ridge averaging 30.10 inches will briefly build 
over the region on sunday before low pressure 30.00 inches lifts 
from the central plains into the lower great lakes region on 
monday. a stationary boundary will linger in the vicinity of lake 
erie through mid-week.


lez061-168-169-080215-
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-
345 pm edt fri aug 7 2026

.tonight...south winds 10 knots or less becoming southwest 10 to
15 knots. showers likely with a chance of thunderstorms late.
waves 2 feet or less. 
.saturday...southwest winds 10 to 15 knots. a chance of showers
and thunderstorms in the morning, then a slight chance of showers
and thunderstorms early in the afternoon. waves 1 to 3 feet. 
.saturday night...southwest winds 5 to 15 knots becoming north. a
chance of showers overnight. waves 1 to 3 feet. 
.sunday...north winds 10 knots or less becoming west. waves
2 feet or less. 
.sunday night...south winds 10 knots or less becoming southwest
10 to 15 knots. a chance of showers overnight. waves 2 feet or
less. 
.monday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers and thunderstorms during the day,
then showers with a chance of thunderstorms monday night. waves
2 to 4 feet. 
.tuesday...west winds 5 to 15 knots becoming northwest. showers
likely with a chance of thunderstorms during the day, then a
chance of showers tuesday night. waves 1 to 3 feet. 
.wednesday...northwest winds 10 knots or less becoming north. a
chance of showers. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$