fzus61 kbuf 190802
glflo 
expires:202608191500;;980641

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt wed aug 19 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 cold front will cross the lake today. behind the 
front, high pressure averaging 30.1 inches will build from the upper 
great lakes thursday to new england by friday night. the high will 
then move into the canadian maritimes saturday, while an elongated 
29.7 inch low slowly makes its way from the central great lakes to 
western quebec saturday and sunday.


loz062-191500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt wed aug 19 2026

.today...southwest winds 5 to 15 knots becoming west. showers
likely with a chance of thunderstorms this morning, then a chance
of showers early this afternoon. waves 1 to 2 feet. 
.tonight...northwest winds 5 to 10 knots. waves 2 feet or less. 
.thursday...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.thursday night...northwest winds 10 knots or less becoming
northeast. waves 1 foot or less. 
.friday...east winds 5 to 10 knots becoming southeast. waves
2 feet or less. 
.saturday...southeast winds 5 to 15 knots becoming southwest. a
chance of showers and thunderstorms during the day, then showers
likely with a chance of thunderstorms saturday night. waves 1 to
2 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of showers. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 190802
glflo 
expires:202608191500;;980642

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt wed aug 19 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 cold front will cross the lake today. behind the 
front, high pressure averaging 30.1 inches will build from the upper 
great lakes thursday to new england by friday night. the high will 
then move into the canadian maritimes saturday, while an elongated 
29.7 inch low slowly makes its way from the central great lakes to 
western quebec saturday and sunday.


loz063>065-191500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt wed aug 19 2026

.today...southwest winds 10 to 15 knots becoming west. showers
likely early, then showers likely with a chance of thunderstorms.
a chance of showers and thunderstorms late. waves 1 to 3 feet. 
.tonight...west winds 5 to 10 knots becoming northwest. waves
1 to 2 feet. 
.thursday...northwest winds 10 knots or less becoming west. waves
2 feet or less. 
.thursday night...west winds 10 knots or less becoming north.
waves 1 foot or less. 
.friday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.saturday...southeast winds 5 to 15 knots becoming south 15 to
20 knots. a chance of showers and thunderstorms during the day,
then showers with a chance of thunderstorms saturday night. waves
1 to 3 feet. 
.sunday...southwest winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms during the day, then a chance of
showers and thunderstorms sunday night. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 190827
glfle 
expires:202608191430;;982220

open lake forecast for lake erie
national weather service cleveland oh
427 am edt wed aug 19 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 cold front will sweep across lake erie today followed by high 
pressure 30.10 inches building into the region thursday through 
friday. low pressure 29.90 inches moves into the great lake on 
saturday with a cold front crossing late saturday night into 
sunday.


lez061-168-169-191430-
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-
427 am edt wed aug 19 2026

.today...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of waterspouts through early afternoon. a
chance of showers with a slight chance of thunderstorms early,
then showers likely with a slight chance of thunderstorms late
this morning. a chance of showers with a slight chance of
thunderstorms early this afternoon. waves 2 to 4 feet. 
.tonight...west winds 5 to 10 knots becoming northeast. waves
1 to 3 feet. 
.thursday...northeast winds 10 knots or less. waves 1 foot or
less. 
.thursday night...northeast winds less than 10 knots becoming
east. waves 1 foot or less. 
.friday...east winds 10 knots or less becoming southeast. waves
1 foot or less. 
.saturday...south winds 5 to 15 knots becoming west. showers with
a chance of thunderstorms. waves 2 feet or less. 
.sunday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of showers. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$