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open lake forecast for lake ontario
national weather service buffalo ny
403 am edt mon oct 5 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 the upper midwest will build 
across the great lakes through tuesday, before sliding into the 
northeast wednesday. a cold front will then pass across the lake 
thursday. a 30.1 inch surface high will then ridge north across the 
lake friday.


loz062-051500-
lake ontario open waters from the niagara river to hamlin beach-
403 am edt mon oct 5 2026

.today...west winds 20 to 25 knots becoming northwest. waves 5 to
8 feet. waves occasionally around 10 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
15 knots. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet. 
.tuesday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.tuesday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots. waves 1 to 3 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.thursday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet. 
.friday...west winds 10 to 15 knots. waves 1 to 3 feet. 

$$

fzus61 kbuf 050803
glflo 
expires:202610051500;;561977

open lake forecast for lake ontario
national weather service buffalo ny
403 am edt mon oct 5 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 the upper midwest will build 
across the great lakes through tuesday, before sliding into the 
northeast wednesday. a cold front will then pass across the lake 
thursday. a 30.1 inch surface high will then ridge north across the 
lake friday.


loz063>065-051500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 am edt mon oct 5 2026

.today...northwest winds to 30 knots. waves 5 to 8 feet building
to 7 to 10 feet. waves occasionally around 13 feet. 
.tonight...northwest winds 15 to 25 knots. waves 5 to 9 feet
subsiding to 3 to 5 feet. waves occasionally around 11 feet. 
.tuesday...northwest winds 5 to 15 knots becoming west. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday night...west winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...south winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. a chance of showers wednesday
night. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.thursday...west winds 15 to 20 knots. a chance of showers. waves
2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to
4 feet. 
.friday...west winds 10 to 15 knots. a chance of showers. waves
2 to 4 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
341 am edt mon oct 5 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 will build over lake erie today before
drifting east of the area by wednesday. a cold front will 
approach from the west wednesday and move east across the lake 
thursday with high pressure 30.10 inches returning friday.


lez166>168-051415-
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-
341 am edt mon oct 5 2026

.today...northwest winds 15 to 20 knots. waves 2 to 4 feet. 
.tonight...northwest winds 15 to 20 knots becoming north 5 to
15 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.tuesday...northwest winds 5 to 10 knots becoming southwest.
waves 1 foot or less. 
.tuesday night...southwest winds 5 to 10 knots increasing to
15 to 25 knots. waves 1 foot or less building to 3 to 6 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west. waves
4 to 7 feet subsiding to 2 to 3 feet. waves occasionally around
9 feet. 
.thursday...west winds 10 to 15 knots becoming northwest. waves
2 to 3 feet. 
.friday...west winds 5 to 15 knots becoming northwest. waves 1 to
3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
341 am edt mon oct 5 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 will build over lake erie today before
drifting east of the area by wednesday. a cold front will 
approach from the west wednesday and move east across the lake 
thursday with high pressure 30.10 inches returning friday.


lez061-169-051415-
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-
341 am edt mon oct 5 2026

.today...northwest winds 15 to 20 knots. waves 2 to 4 feet. 
.tonight...northwest winds 15 to 20 knots becoming north 5 to
15 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.tuesday...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tuesday night...southwest winds less than 10 knots increasing to
15 to 20 knots. waves 2 feet or less building to 3 to 5 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 3 feet. 
.thursday...west winds 5 to 15 knots becoming northwest. waves
1 to 3 feet. 
.friday...west winds 5 to 15 knots. waves 1 to 3 feet. 

$$