fzus61 kbuf 301724
glflo 
expires:202606302115;;175323

open lake forecast for lake ontario
national weather service buffalo ny
124 pm edt tue jun 30 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 today, then a 30.1 inch 
high will build into the ohio valley and mid atlantic by wednesday, 
where it will remain through at least thursday. a weak 29.9 inch 
trough will then approach and cross the lake friday into saturday.


loz062-302115-
lake ontario open waters from the niagara river to hamlin beach-
124 pm edt tue jun 30 2026

.this afternoon...south winds 5 to 15 knots. waves 2 feet or less.
.tonight...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.wednesday night...southwest winds 10 to 15 knots. showers likely
with a chance of thunderstorms in the evening. waves 1 to 3 feet.
.thursday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.friday...west winds 5 to 10 knots becoming southwest. a chance
of showers and thunderstorms. waves 1 to 2 feet. 
.saturday...west winds 10 knots or less becoming north. a chance
of showers and thunderstorms during the day, then a chance of
showers saturday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 301724
glflo 
expires:202606302115;;175324

open lake forecast for lake ontario
national weather service buffalo ny
124 pm edt tue jun 30 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 today, then a 30.1 inch 
high will build into the ohio valley and mid atlantic by wednesday, 
where it will remain through at least thursday. a weak 29.9 inch 
trough will then approach and cross the lake friday into saturday.


loz063>065-302115-
lake ontario open waters from hamlin beach to the saint lawrence
river-
124 pm edt tue jun 30 2026

...severe thunderstorm watch 423 in effect until 8 pm edt this
evening...

.this afternoon...south winds 5 to 10 knots. a chance of showers
and thunderstorms. some thunderstorms may be severe with strong
winds and large hail. waves 1 foot or less. 
.tonight...south winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.wednesday...southwest winds 5 to 15 knots becoming west. waves
1 to 2 feet. 
.wednesday night...southwest winds 5 to 15 knots. a chance of
showers and thunderstorms in the evening. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.friday...west winds 5 to 15 knots. a chance of showers and
thunderstorms friday night. waves 1 to 2 feet. 
.saturday...west winds 10 knots or less becoming north. a chance
of showers and thunderstorms. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 301338
glfle 
expires:202606302015;;167060

open lake forecast for lake erie
national weather service cleveland oh
938 am edt tue jun 30 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 ridge averaging 30.00 inches will build from the south today and
remain through friday. a weak trough averaging 29.90 inches will 
enter on friday night into saturday.


lez061-165>169-302015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
938 am edt tue jun 30 2026

.this afternoon...southwest winds 5 to 10 knots. waves 1 to
2 feet. 
.tonight...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.wednesday night...southwest winds 5 to 10 knots. waves 1 to
3 feet. 
.thursday...southwest winds 5 to 15 knots. waves 1 to 2 feet. 
.friday...southwest winds 5 to 10 knots. showers likely with a
chance of thunderstorms friday night. waves 2 feet or less. 
.saturday...west winds 5 to 10 knots becoming north. a chance of
showers during the day, then a chance of showers and
thunderstorms saturday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$