fzus61 kbuf 280203
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expires:202605280900;;763310

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt wed may 27 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 30.2 inch high over ontario will expand southeastward 
across the lower great lakes thursday and thursday night, before 
settling into the ohio valley friday. a 29.6 inch low will then make 
its way southeastward across quebec friday and new england friday 
night and saturday, with its trailing cold front crossing the lake 
late friday or friday night. another 30.2 inch high is then forecast 
to build across the great lakes later saturday through sunday.


loz062-280900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt wed may 27 2026

.overnight...northwest winds 10 to 15 knots becoming north.
waves 1 to 2 feet. 
.thursday...north winds 5 to 10 knots becoming west. a chance of
showers early. waves 1 to 2 feet. 
.thursday night...west winds 5 to 10 knots. waves 1 to 2 feet. 
.friday...west winds 5 to 15 knots increasing to 15 to 20 knots.
a chance of showers in the afternoon. waves 1 to 3 feet building
to 2 to 4 feet. 
.friday night...west winds 15 to 20 knots becoming north 10 to
15 knots. a chance of showers in the evening. waves 2 to 4 feet. 
.saturday...north winds 5 to 15 knots becoming west 10 knots or
less. waves 2 feet or less. 
.sunday...west winds 5 to 10 knots becoming northwest. waves
2 feet or less. 
.monday...north winds 10 knots or less becoming northwest. waves
1 foot or less. 

$$

fzus61 kbuf 280203
glflo 
expires:202605280900;;763311

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt wed may 27 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 30.2 inch high over ontario will expand southeastward 
across the lower great lakes thursday and thursday night, before 
settling into the ohio valley friday. a 29.6 inch low will then make 
its way southeastward across quebec friday and new england friday 
night and saturday, with its trailing cold front crossing the lake 
late friday or friday night. another 30.2 inch high is then forecast 
to build across the great lakes later saturday through sunday.


loz063>065-280900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt wed may 27 2026

.overnight...north winds 5 to 15 knots. waves 2 feet or
less. 
.thursday...north winds 10 to 15 knots becoming west. a chance of
showers early. waves 1 to 2 feet. 
.thursday night...west winds 5 to 10 knots. waves 2 feet or less.
.friday...west winds 5 to 15 knots increasing to 15 to 20 knots.
a chance of showers in the afternoon. waves 2 feet or less
building to 3 to 5 feet. 
.friday night...west winds 15 to 20 knots becoming northwest. a
chance of showers. waves 3 to 5 feet. 
.saturday...north winds 15 to 20 knots becoming west and
diminishing to 5 to 10 knots. waves 3 to 5 feet subsiding to
2 feet or less. 
.sunday...west winds 5 to 10 knots. waves 2 feet or less. 
.monday...north winds 10 knots or less becoming northwest. waves
1 foot or less. 

$$

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glfle 
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open lake forecast for lake erie
national weather service cleveland oh
916 pm edt wed may 27 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 cold front continues moving generally southward across lake
erie and should exit the rest of the lake by midnight tonight.
behind the front, a high pressure ridge averaging 30.10 inches
builds from the northern great lakes before another cold front
sweeps southward across lake erie friday night. in the wake of
this front, another ridge averaging 30.10 inches builds from the
hudson bay area through this monday.


lez061-166>169-280830-
ripley to buffalo ny extending from 5nm 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-
916 pm edt wed may 27 2026

.overnight...north winds 5 to 10 knots becoming northeast.
waves 2 feet or less. 
.thursday...north winds 5 to 15 knots becoming northwest. waves
1 to 3 feet. 
.thursday night...northwest winds 10 knots or less becoming west.
waves 1 foot or less. 
.friday...west winds 10 knots or less becoming southwest 10 to
15 knots. waves 1 to 3 feet. 
.friday night...southwest winds 10 to 15 knots becoming northeast
15 to 20 knots. waves 1 to 3 feet. 
.saturday...northeast winds 15 to 20 knots becoming east 5 to
15 knots. waves 1 to 3 feet. 
.sunday...northeast winds 10 knots or less becoming northwest.
waves 2 feet or less. 
.monday...north winds 5 to 10 knots. waves 2 feet or less. 

$$