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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sat oct 25 2025

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...an elongated 30.5 inch high stretched from northwest 
ontario province to the ohio valley will build east across the 
central great lakes today, before expanding across the lower great 
lakes and quebec sunday into monday. this large high will remain 
anchored across quebec while slowly weakening through tuesday night.


loz062-252100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt sat oct 25 2025

.rest of today...northwest winds 5 to 10 knots. a chance of
showers late this morning. waves 1 foot or less. 
.tonight...northwest winds 5 to 10 knots becoming northeast.
waves 2 feet or less. 
.sunday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.sunday night...northeast winds 5 to 10 knots becoming east. a
chance of showers overnight. waves 2 feet or less. 
.monday...east winds 10 to 15 knots. a chance of showers. waves
1 to 3 feet building to 2 to 4 feet. 
.tuesday...east winds 15 to 20 knots. a chance of showers during
the day. waves 3 to 5 feet. 
.wednesday...northeast winds 10 to 15 knots. a chance of showers
wednesday night. waves 2 to 4 feet. 

$$
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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sat oct 25 2025

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...an elongated 30.5 inch high stretched from northwest 
ontario province to the ohio valley will build east across the 
central great lakes today, before expanding across the lower great 
lakes and quebec sunday into monday. this large high will remain 
anchored across quebec while slowly weakening through tuesday night.


loz063>065-252100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt sat oct 25 2025

.rest of today...northwest winds 5 to 10 knots. waves 1 foot or
less. 
.tonight...northwest winds 5 to 15 knots becoming northeast. a
chance of showers through the early overnight. waves 2 feet or
less. 
.sunday...northeast winds 5 to 10 knots becoming north. a chance
of showers. waves 2 feet or less. 
.sunday night...northeast winds 5 to 10 knots. waves 2 feet or
less. 
.monday...northeast winds 10 to 15 knots becoming east. waves
1 to 3 feet. 
.tuesday...east winds 15 to 20 knots becoming northeast. waves
2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to
4 feet. 
.wednesday...northeast winds 10 to 15 knots. a chance of showers
wednesday night. waves 1 to 3 feet. 

$$
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open lake forecast for lake erie...corrected
national weather service cleveland oh
1013 am edt sat oct 25 2025

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 averaging 30.40 inches over the great lakes will
continue to influence the region through monday while shifting 
northeast into quebec. weak low pressure over the lower  
mississippi valley will shift east to the atlantic waters through
tuesday. a second area of low pressure of 29.70 inches will
develop over the mid-mississippi valley on tuesday night and
deepen to 29.40 inches along the mid-atlanic coast as it merges
with another low on thursday. 


lez165>168-252030-
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-
1013 am edt sat oct 25 2025

.this afternoon...northwest winds 10 knots or less. a slight
chance of showers. a chance of waterspouts this morning. waves 1 
foot or less.
.tonight...northwest winds 10 knots or less becoming northeast. a
slight chance of showers from late evening on. waves 1 foot or
less. 
.sunday...northeast winds 5 to 15 knots. waves 2 feet or less. 
.sunday night...northeast winds 10 to 15 knots becoming east
15 to 20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.monday...east winds 15 to 25 knots. waves 3 to 5 feet building
to 4 to 7 feet, then subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.tuesday...east winds 15 to 25 knots. waves 3 to 6 feet building
to 4 to 7 feet, then subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.wednesday...east winds 15 to 25 knots becoming northeast. a
chance of showers. waves 3 to 6 feet. 

$$
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open lake forecast for lake erie...corrected
national weather service cleveland oh
1013 am edt sat oct 25 2025

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 averaging 30.40 inches over the great lakes will
continue to influence the region through monday while shifting 
northeast into quebec. weak low pressure over the lower  
mississippi valley will shift east to the atlantic waters through
tuesday. a second area of low pressure of 29.70 inches will
develop over the mid-mississippi valley on tuesday night and
deepen to 29.40 inches along the mid-atlanic coast as it merges
with another low on thursday. 


lez061-169-252030-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
1013 am edt sat oct 25 2025

.this afternoon...northwest winds 10 knots or less. a slight
chance of showers. waves 1 foot or less. 
.tonight...northwest winds 10 knots or less becoming northeast. a
slight chance of showers early, then a chance of showers late in
the evening. a slight chance of showers after midnight. waves
1 foot or less. 
.sunday...northeast winds 5 to 10 knots. waves 1 foot or less. 
.sunday night...northeast winds 10 to 15 knots becoming east.
waves 1 to 3 feet. 
.monday...east winds 15 to 20 knots. waves 1 to 3 feet building
to 3 to 5 feet. 
.tuesday...east winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet. 
.wednesday...east winds 10 to 15 knots becoming northeast. a
chance of showers. waves 1 to 3 feet building to 2 to 4 feet,
then subsiding to 1 to 3 feet. 

$$
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