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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sat aug 29 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 high pressure ridge averaging 30.2 inches exits slowly 
toward new england through sunday before a weak cold front drifts 
southward across lake ontario sunday night. behind the front, a 
ridge averaging 30.1 inches builds from eastern canada through 
tuesday. that ridge should exit eastward tuesday night and allow a 
warm front to sweep northward across lake ontario. a cold front 
should sweep eastward across the lake late wednesday. behind the 
cold front, a trough averaging 29.9 inches should linger over lake 
ontario through thursday.


loz062-292100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt sat aug 29 2026

.this afternoon...southwest winds 5 to 15 knots becoming south.
waves 2 feet or less. 
.tonight...southwest winds 5 to 15 knots. waves 2 feet or less. 
.sunday...southwest winds 5 to 10 knots. a chance of showers in
the afternoon. waves 1 foot or less. 
.sunday night...southwest winds 10 knots or less becoming
southeast. showers likely. waves 1 foot or less. 
.monday...east winds 5 to 10 knots. showers likely. waves 2 feet
or less. 
.tuesday...east winds 5 to 10 knots becoming southwest. showers
likely. waves 1 foot or less. 
.wednesday...southwest winds 5 to 10 knots becoming west. showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms wednesday night. waves 2 feet
or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 291402
glflo 
expires:202608292100;;554873

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sat aug 29 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 high pressure ridge averaging 30.2 inches exits slowly 
toward new england through sunday before a weak cold front drifts 
southward across lake ontario sunday night. behind the front, a 
ridge averaging 30.1 inches builds from eastern canada through 
tuesday. that ridge should exit eastward tuesday night and allow a 
warm front to sweep northward across lake ontario. a cold front 
should sweep eastward across the lake late wednesday. behind the 
cold front, a trough averaging 29.9 inches should linger over lake 
ontario through thursday.


loz063>065-292100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt sat aug 29 2026

.this afternoon...south winds 5 to 10 knots. waves 2 feet or less.
.tonight...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.sunday...southwest winds 5 to 15 knots. a chance of showers in
the afternoon. waves 2 feet or less. 
.sunday night...southwest winds 10 knots or less becoming south.
a chance of showers. waves 2 feet or less. 
.monday...east winds 5 to 10 knots. a chance of showers during
the day, then showers likely monday night. waves 1 foot or less. 
.tuesday...southeast winds 5 to 10 knots becoming south. showers
likely during the day, then showers likely with a chance of
thunderstorms tuesday night. waves 1 foot or less. 
.wednesday...south winds 5 to 10 knots becoming west. showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms wednesday night. waves 2 feet
or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 291320
glfle 
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open lake forecast for lake erie
national weather service cleveland oh
920 am edt sat aug 29 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 30.20 inches overhead will build east into the mid-
atlantic through sunday evening with a warm front moving north
over lake erie late sunday night. low pressure 29.80 will move
into the northern great lakes early wednesday with a cold front
passing through early thursday.


lez061-167>169-292015-
ripley to buffalo ny extending from 5nm 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-
920 am edt sat aug 29 2026

.this afternoon...south winds 10 knots or less becoming west.
waves 1 foot or less. 
.tonight...light and variable winds becoming south around
10 knots. waves 1 foot or less. 
.sunday...southwest winds 5 to 10 knots. a chance of showers in
the afternoon. waves 1 to 2 feet. 
.sunday night...south winds 10 knots or less. a chance of showers
in the evening, then showers likely overnight. waves 2 feet or
less. 
.monday...southwest winds 5 to 15 knots becoming south. a chance
of showers during the day. waves 2 feet or less. 
.tuesday...southwest winds 5 to 15 knots. a chance of showers
tuesday night. waves 2 feet or less. 
.wednesday...southwest winds 5 to 10 knots becoming west. a
chance of showers. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$