fzus61 kbuf 111725
glflo 
expires:202606112115;;569157

open lake forecast for lake ontario
national weather service buffalo ny
125 pm 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 will cross 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. a trough averaging 29.8 inches will cross 
the lake on tuesday.


loz062-112115-
lake ontario open waters from the niagara river to hamlin beach-
125 pm edt thu jun 11 2026

.this afternoon...west winds 10 to 15 knots. a chance of showers
late. waves 1 to 2 feet. 
.tonight...southwest winds 5 to 15 knots. a chance of showers
early. waves 1 to 2 feet. 
.friday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers in the morning. waves 1 to 3 feet
building to 2 to 4 feet. 
.friday night...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.saturday...southwest winds 10 to 15 knots. 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 5 to 15 knots. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 111725
glflo 
expires:202606112115;;569158

open lake forecast for lake ontario
national weather service buffalo ny
125 pm 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 will cross 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. a trough averaging 29.8 inches will cross 
the lake on tuesday.


loz063>065-112115-
lake ontario open waters from hamlin beach to the saint lawrence
river-
125 pm edt thu jun 11 2026

.this afternoon...southeast winds 5 to 15 knots. waves 1 to
2 feet. 
.tonight...southwest winds 5 to 10 knots. a chance of showers
early. waves 1 foot or less. 
.friday...south winds 5 to 15 knots increasing to 15 to 20 knots.
showers likely with a chance of thunderstorms in the morning,
then a chance of showers and thunderstorms in the afternoon.
waves 1 to 3 feet building to 2 to 4 feet. 
.friday night...south winds 15 to 20 knots becoming west 5 to
15 knots. 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 10 to 15 knots becoming west 15 to
20 knots. showers with a chance of thunderstorms. waves 1 to
3 feet. 
.monday...west winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 111349
glfle 
expires:202606112030;;561524

open lake forecast for lake erie
national weather service cleveland oh
949 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 weak high pressure ridge averaging 29.80 inches exits eastward
before a cold front sweeps eastward across lake erie tonight
through friday morning. behind the front, a ridge averaging 29.95
inches builds from the upper midwest before another cold front 
sweeps eastward across the lake on sunday. behind that front, a 
weak trough averaging 29.85 inches should linger over lake erie 
before another ridge averaging 29.95 inches builds from the upper
midwest on tuesday.


lez061-168-169-112030-
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-
949 am edt thu jun 11 2026

.this afternoon...southwest winds 10 to 15 knots becoming west. a
chance of showers and thunderstorms. 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.

$$