fzus61 kbuf 201402
glflo 
expires:202608202100;;052078

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt thu aug 20 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 30.1 inch high over the upper great lakes will build 
southeast across southern ontario and quebec today and tonight, 
before sliding across new england friday, then into the canadian 
maritimes saturday. an elongated 29.7 inch low will slowly make its 
way from the central great lakes to western quebec saturday and 
sunday, then will wobble about western quebec through at least 
monday.


loz062-202100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt thu aug 20 2026

.this afternoon...northeast winds 10 knots or less becoming east.
waves 1 foot or less. 
.tonight...east winds 10 knots or less becoming north. waves
1 foot or less. 
.friday...northeast winds 10 knots or less becoming east 10 to
15 knots. waves 2 feet or less. 
.friday night...east winds 5 to 15 knots becoming southeast.
waves 2 feet or less. 
.saturday...southeast winds 5 to 10 knots becoming southwest.
showers with a chance of thunderstorms. waves 1 to 2 feet. 
.sunday...west winds 10 to 15 knots. a chance of showers. waves
1 to 3 feet building to 2 to 4 feet. 
.monday...west winds 10 to 15 knots. a chance of showers during
the day. waves 2 to 4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 201402
glflo 
expires:202608202100;;052079

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt thu aug 20 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 30.1 inch high over the upper great lakes will build 
southeast across southern ontario and quebec today and tonight, 
before sliding across new england friday, then into the canadian 
maritimes saturday. an elongated 29.7 inch low will slowly make its 
way from the central great lakes to western quebec saturday and 
sunday, then will wobble about western quebec through at least 
monday.


loz063>065-202100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt thu aug 20 2026

.this afternoon...north winds 5 to 10 knots. waves 1 foot or less.
.tonight...north winds 5 to 15 knots becoming northeast less than
10 knots. waves 1 foot or less. 
.friday...east winds 10 knots or less becoming northeast. waves
1 foot or less. 
.friday night...northeast winds 5 to 10 knots becoming southeast.
waves 2 feet or less. 
.saturday...southeast winds 5 to 15 knots becoming south. showers
with a chance of thunderstorms. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers during the day, then showers likely
sunday night. waves 1 to 3 feet building to 2 to 4 feet. 
.monday...west winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely during the day, then a chance of showers
monday night. waves 2 to 4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 201400
glfle 
expires:202608202015;;051978

open lake forecast for lake erie
national weather service cleveland oh
issued by national weather service buffalo ny
1000 am edt thu aug 20 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...
high pressure 30.10 inches builds into the region through friday.
low pressure 29.90 inches moves into the great lakes region on 
saturday with a cold front crossing late saturday night into 
sunday.


lez165>168-202015-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
1000 am edt thu aug 20 2026

.rest of today...east winds 10 to 15 knots becoming northeast. a
slight chance of showers late this morning. waves 1 to 3 feet. 
.tonight...northeast winds 5 to 15 knots becoming east. waves
1 to 3 feet subsiding to 1 foot or less. 
.friday...east winds 5 to 10 knots becoming northeast. waves
1 foot or less. 
.friday night...northeast winds 5 to 10 knots becoming south.
waves 1 foot or less. 
.saturday...southwest winds 5 to 15 knots becoming northwest.
showers with a chance of thunderstorms saturday night. waves 1 to
2 feet. 
.sunday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 1 to 3 feet. 
.monday...west winds 5 to 15 knots. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 201400
glfle 
expires:202608202015;;051979

open lake forecast for lake erie
national weather service cleveland oh
issued by national weather service buffalo ny
1000 am edt thu aug 20 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...
high pressure 30.10 inches builds into the region through friday.
low pressure 29.90 inches moves into the great lakes region on 
saturday with a cold front crossing late saturday night into 
sunday.


lez061-169-202015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
1000 am edt thu aug 20 2026

.rest of today...east winds 5 to 10 knots becoming northeast.
waves 2 feet or less. 
.tonight...northeast winds 10 knots or less becoming east. waves
2 feet or less. 
.friday...east winds 10 knots or less becoming northeast. waves
1 foot or less. 
.friday night...northeast winds 5 to 10 knots becoming southeast.
waves 1 foot or less. 
.saturday...south winds 5 to 15 knots becoming west. a chance of
showers and thunderstorms during the day, then showers with a
chance of thunderstorms saturday night. 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. 
.monday...northwest winds 5 to 15 knots becoming west. waves 1 to
2 feet. 

winds and waves higher in and near thunderstorms.

$$