fzus61 kbuf 110802
glflo 
expires:202606111500;;549145

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt thu jun 11 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 warm front will cross the lake tonight ahead of a 29.7 
inch trough that will cross the lake later friday. associated with 
the trough, an attendant cold front across the lake friday afternoon 
and evening. a 30.0 inch high will ridge across the lower great 
lakes friday night through sunday morning, before a cold front 
crosses the region later sunday or sunday night. the eastern edge of 
a 30.1 inch high over the central portion of the conus will push 
over the lake on monday.


loz062-111500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt thu jun 11 2026

.today...southwest winds 10 to 15 knots becoming west. waves 1 to
3 feet. 
.tonight...west winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers. waves 1 to 3 feet building to 2 to
4 feet. 
.friday night...west winds 10 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.saturday...southwest winds 10 to 15 knots. a chance of showers
saturday night. waves 1 to 3 feet. 
.sunday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers with a chance of thunderstorms. waves 1 to
3 feet building to 2 to 4 feet. 
.monday...west winds 10 to 15 knots becoming southwest. waves
1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 110802
glflo 
expires:202606111500;;549146

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt thu jun 11 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 warm front will cross the lake tonight ahead of a 29.7 
inch trough that will cross the lake later friday. associated with 
the trough, an attendant cold front across the lake friday afternoon 
and evening. a 30.0 inch high will ridge across the lower great 
lakes friday night through sunday morning, before a cold front 
crosses the region later sunday or sunday night. the eastern edge of 
a 30.1 inch high over the central portion of the conus will push 
over the lake on monday.


loz063>065-111500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt thu jun 11 2026

.today...southwest winds 5 to 15 knots becoming southeast. a
chance of showers early. waves 2 feet or less. 
.tonight...southwest winds 5 to 10 knots. waves 1 foot or less. 
.friday...south winds 5 to 15 knots becoming west 15 to 20 knots.
showers with a chance of thunderstorms. waves 1 to 3 feet
building to 2 to 4 feet. 
.friday night...west winds 15 to 20 knots becoming southwest 5 to
15 knots. a chance of showers in the evening. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming south. waves 1 to
2 feet. 
.sunday...south winds 15 to 20 knots becoming west 10 to
15 knots. showers with a chance of thunderstorms. waves 1 to
3 feet. 
.monday...west winds 5 to 15 knots becoming southwest. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 110740
glfle 
expires:202606111415;;548327

open lake forecast for lake erie
national weather service cleveland oh
340 am edt thu jun 11 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 approach from the west today before crossing
lake erie early friday. high pressure 30.00 inches will build east
across the region saturday with another cold front moving east
across the lake on sunday. high pressure 29.90 inches will return
for monday.


lez061-168-169-111415-
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-
340 am edt thu jun 11 2026

.today...southwest winds 10 to 15 knots becoming west. a chance
of showers and thunderstorms early, then a chance of showers with
a slight chance of thunderstorms late this morning. a slight
chance of showers and thunderstorms early this afternoon. waves
1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots. a slight chance of
showers and thunderstorms late. waves 1 to 3 feet. 
.friday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers in the morning. waves 2 to 4 feet. 
.friday night...southwest winds 10 to 15 knots becoming west.
waves 2 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming south. a chance of
showers saturday night. waves 1 to 3 feet. 
.sunday...southwest winds 15 to 20 knots becoming northwest 10 to
15 knots. showers with a chance of thunderstorms during the day.
waves 2 to 4 feet subsiding to 1 to 2 feet. 
.monday...west winds 5 to 15 knots becoming southwest. waves 1 to
2 feet. 

winds and waves higher in and near thunderstorms.

$$