fzus61 kbuf 152002
glflo 
expires:202608160300;;249734

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sat aug 15 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 ridge will move east acorss new england tonight. a 29.7 
inch low will move southeast from the northern great lakes to 
southern new england tonight through monday. a warm front will drift 
northeast across lake ontario late sunday before a cold front sweeps 
east across the lake sunday night. behind the cold front, a trough 
averaging 29.8 inches should linger over lake ontario monday. a 30.o 
inch high should build from the upper midwest monday night and 
traverse lake ontario tuesday. this ridge should exit slowly 
eastward tuesday night through wednesday as a cold front approaches 
from the northwest. a 30.1 inch high will build across the eastern 
great lakes region thursday.


loz062-160300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sat aug 15 2026

.tonight...east winds 15 to 20 knots becoming southeast 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.sunday...southeast winds 5 to 15 knots becoming east. waves 1 to
3 feet. 
.sunday night...east winds 10 knots or less becoming northwest. a
chance of showers and thunderstorms in the evening, then a chance
of showers overnight. waves 1 foot or less. 
.monday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.monday night...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.tuesday...west winds 10 knots or less becoming southwest 10 to
15 knots. a chance of showers tuesday night. waves 2 feet or
less. 
.wednesday...west winds around 10 knots becoming northwest.
showers likely with a chance of thunderstorms. waves 1 to 2 feet.
.thursday...northwest winds 5 to 10 knots becoming north. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 152002
glflo 
expires:202608160300;;249735

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sat aug 15 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 ridge will move east acorss new england tonight. a 29.7 
inch low will move southeast from the northern great lakes to 
southern new england tonight through monday. a warm front will drift 
northeast across lake ontario late sunday before a cold front sweeps 
east across the lake sunday night. behind the cold front, a trough 
averaging 29.8 inches should linger over lake ontario monday. a 30.o 
inch high should build from the upper midwest monday night and 
traverse lake ontario tuesday. this ridge should exit slowly 
eastward tuesday night through wednesday as a cold front approaches 
from the northwest. a 30.1 inch high will build across the eastern 
great lakes region thursday.


loz063>065-160300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sat aug 15 2026

.tonight...northeast winds 10 to 15 knots becoming southeast.
waves 1 to 3 feet. 
.sunday...southeast winds 5 to 15 knots. a chance of showers
late. waves 1 to 3 feet subsiding to 1 foot or less. 
.sunday night...southeast winds 10 to 15 knots becoming
southwest. showers likely with a chance of thunderstorms in the
evening, then a chance of showers overnight. waves 1 to 3 feet. 
.monday...west winds 10 to 15 knots. a chance of showers in the
morning. waves 2 feet or less. 
.monday night...west winds 10 knots or less becoming north. waves
2 feet or less. 
.tuesday...northwest winds 10 knots or less becoming southwest
10 to 15 knots. waves 2 feet or less. 
.wednesday...southwest winds 5 to 15 knots becoming northwest.
showers likely with a chance of thunderstorms. waves 1 to 2 feet.
.thursday...northwest winds 5 to 10 knots becoming north. a
chance of showers during the day. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 151948
glfle 
expires:202608160230;;249375

open lake forecast for lake erie
national weather service cleveland oh
348 pm edt sat aug 15 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 warm front will move north across lake erie late tonight into
sunday morning. low pressure 29.80 inches will move across the
northern great lakes dragging a cold front across lake erie late
sunday night. high pressure 30.00 inches builds into the region
monday through tuesday night. another low pressure 29.80 inches
will move through the region on wednesday. 


lez061-168-169-160230-
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-
348 pm edt sat aug 15 2026

.tonight...east winds 5 to 15 knots becoming southeast. a chance
of showers late. waves 2 feet or less building to 2 to 4 feet,
then subsiding to 1 to 3 feet. 
.sunday...south winds 5 to 10 knots becoming southwest. a chance
of showers in the morning, then a chance of showers with a slight
chance of thunderstorms early in the afternoon. showers likely
with a chance of thunderstorms late. waves 2 feet or less. 
.sunday night...southwest winds 10 to 15 knots becoming
northwest. a chance of showers and thunderstorms in the evening.
waves 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming west. waves 1 to
3 feet. 
.monday night...northwest winds 5 to 15 knots becoming north less
than 10 knots. waves 2 feet or less. 
.tuesday...west winds 10 knots or less becoming southwest 10 to
15 knots. a chance of showers and thunderstorms tuesday night.
waves 1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots becoming north.
showers likely with a chance of thunderstorms during the day,
then a chance of showers wednesday night. waves 1 to 3 feet
building to 2 to 4 feet. 
.thursday...north winds 5 to 15 knots becoming northeast. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$