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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt mon jun 15 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 29.9 inch high will build across the region today, 
then will exit off to our east tuesday. a 29.4 inch low will then 
track north of the lake on wednesday, with its trailing cold front 
approaching the lake late in the day on wednesday. a second 29.4 
inch surface low will then track from the upper great lakes to 
southern quebec wednesday night and thursday, while pushing its warm 
front across the lake later wednesday night and early thursday, 
followed by its trailing cold front later thursday. the low will 
then make its way to the canadian maritimes friday, while a 29.9 
inch high builds across the upper great lakes.


loz062-152100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt mon jun 15 2026

.this afternoon...west winds 15 to 20 knots becoming southwest
10 to 15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.tonight...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.tuesday night...southwest winds 5 to 15 knots becoming south.
showers likely overnight. waves 1 to 2 feet. 
.wednesday...south winds 10 to 15 knots becoming southeast 15 to
20 knots. showers likely during the day, then showers with a
chance of thunderstorms wednesday night. waves 1 to 3 feet. 
.thursday...south winds to 30 knots becoming west and diminishing
to 15 to 20 knots. showers with a chance of thunderstorms during
the day, then a chance of showers thursday night. waves 3 to
6 feet building to 5 to 8 feet, then subsiding to 3 to 6 feet.
waves occasionally around 10 feet. 
.friday...west winds 15 to 20 knots. waves 3 to 5 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 151402
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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt mon jun 15 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 29.9 inch high will build across the region today, 
then will exit off to our east tuesday. a 29.4 inch low will then 
track north of the lake on wednesday, with its trailing cold front 
approaching the lake late in the day on wednesday. a second 29.4 
inch surface low will then track from the upper great lakes to 
southern quebec wednesday night and thursday, while pushing its warm 
front across the lake later wednesday night and early thursday, 
followed by its trailing cold front later thursday. the low will 
then make its way to the canadian maritimes friday, while a 29.9 
inch high builds across the upper great lakes.


loz063>065-152100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt mon jun 15 2026

.this afternoon...west winds 15 to 25 knots. waves 3 to 6 feet. 
.tonight...west winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.tuesday night...south winds 5 to 15 knots. a chance of showers
overnight. waves 2 feet or less. 
.wednesday...south winds 5 to 15 knots becoming southeast 15 to
20 knots. a chance of showers during the day, then showers likely
with a chance of thunderstorms wednesday night. waves 1 to
3 feet. 
.thursday...south winds to 30 knots becoming west and diminishing
to 15 to 20 knots. showers with a chance of thunderstorms during
the day, then a chance of showers thursday night. waves 5 to
8 feet. waves occasionally around 10 feet. 
.friday...west winds 15 to 25 knots. waves 4 to 7 feet subsiding
to 3 to 6 feet. waves occasionally around 9 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
933 am edt mon jun 15 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 30.00 inches will continue to build east today and 
persist into the first part of tuesday before low pressure 29.70 
inches moves a cold front east tuesday afternoon into the evening.
this low pressure will deepen to 29.40 inches over the region 
late wednesday into thursday, moving a strong cold front east 
wednesday night. a trough averaging 29.90 inches will linger into 
the weekend.


lez165>168-152015-
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-
933 am edt mon jun 15 2026

.this afternoon...northwest winds 5 to 15 knots becoming west.
waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet. 
.tuesday night...south winds 10 to 15 knots becoming southwest
15 to 20 knots. showers with a chance of thunderstorms. waves
1 to 3 feet building to 3 to 5 feet. 
.wednesday...southwest winds 15 to 25 knots becoming south.
showers with a chance of thunderstorms wednesday night. waves
3 to 5 feet building to 4 to 7 feet. waves occasionally around
9 feet. 
.thursday...southwest winds to 30 knots becoming west 15 to
25 knots. a chance of showers during the day. waves 6 to 10 feet
subsiding to 3 to 5 feet. waves occasionally around 13 feet. 
.friday...west winds 15 to 20 knots becoming northwest. a chance
of showers friday night. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
933 am edt mon jun 15 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 30.00 inches will continue to build east today and 
persist into the first part of tuesday before low pressure 29.70 
inches moves a cold front east tuesday afternoon into the evening.
this low pressure will deepen to 29.40 inches over the region 
late wednesday into thursday, moving a strong cold front east 
wednesday night. a trough averaging 29.90 inches will linger into 
the weekend.


lez061-169-152015-
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-
933 am edt mon jun 15 2026

.this afternoon...northwest winds 10 to 15 knots becoming west.
waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.tuesday...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.tuesday night...south winds 5 to 15 knots. a chance of showers
in the evening, then showers likely overnight. waves 1 to 3 feet.
.wednesday...southwest winds 5 to 15 knots becoming south and
increasing to 15 to 25 knots. showers with a chance of
thunderstorms wednesday night. waves 2 to 4 feet. 
.thursday...southwest winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. a chance of showers during the
day. waves 5 to 9 feet subsiding to 3 to 5 feet. waves
occasionally around 11 feet. 
.friday...west winds 10 to 15 knots. a chance of showers friday
night. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$