fzus61 kbuf 300802
glflo 
expires:202606301500;;154371

open lake forecast for lake ontario
national weather service buffalo ny
402 am 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.


loz062-301500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt tue jun 30 2026

.today...southwest winds less than 10 knots increasing to 10 to
15 knots. a chance of showers and thunderstorms through early
afternoon. waves 2 feet or less. 
.tonight...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers and thunderstorms in the afternoon.
waves 1 to 3 feet. 
.wednesday night...southwest winds 15 to 20 knots diminishing to
10 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 10 knots. a chance of showers and
thunderstorms. waves 1 to 2 feet. 
.saturday...west winds 5 to 10 knots becoming north. a chance of
showers and thunderstorms. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 300802
glflo 
expires:202606301500;;154372

open lake forecast for lake ontario
national weather service buffalo ny
402 am 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>065-301500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt tue jun 30 2026

.today...south winds 5 to 10 knots. a chance of showers and
thunderstorms. waves 2 feet or less. 
.tonight...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms late in the evening. waves 2 feet or less. 
.wednesday...southwest winds 10 to 15 knots. waves 1 to 2 feet. 
.wednesday night...southwest winds 5 to 15 knots. 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 5 to 10 knots becoming northwest. a chance
of showers and thunderstorms. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 300748
glfle 
expires:202606301415;;154037

open lake forecast for lake erie
national weather service cleveland oh
348 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
behind a warm front and remain through friday. a weak trough 
averaging 29.90 inches will enter on friday night into saturday.


lez061-165>169-301415-
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-
348 am edt tue jun 30 2026

.today...south winds 5 to 10 knots becoming southwest. 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.

$$