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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sun dec 28 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...a ridge of high pressure averaging 30.1 inches will 
weaken over eastern quebec through this evening. low pressure 
averaging 29.1 inches will then cross the lower great lakes tonight, 
before moving to northern new england and southern quebec monday, 
then to the canadian maritimes by tuesday while deepening to 28.8 
inches. a trough averaging 29.6 inches, will drop southward across 
the lake thursday.


loz062-290400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est sun dec 28 2025

...storm warning in effect from monday morning through monday
evening...

.tonight...east winds 10 to 15 knots becoming south and
increasing to 15 to 25 knots. showers. waves 2 to 4 feet building
to 3 to 5 feet. 
.monday...southwest gales to 40 knots increasing to 50 knot
storms in the afternoon. snow showers likely with a chance of
rain showers late in the morning. snow showers in the afternoon.
waves 10 to 14 feet building to 18 to 23 feet. waves occasionally
around 29 feet. 
.monday night...west gales to 45 knots diminishing to 40 knots.
snow showers. waves 18 to 23 feet subsiding to 14 to 18 feet.
waves occasionally around 29 feet. 
.tuesday...west gales to 40 knots diminishing to 35 knots. snow
showers. waves 13 to 17 feet subsiding to 10 to 15 feet. waves
occasionally around 22 feet. 
.tuesday night...west gales to 35 knots in the evening. snow
showers. waves 10 to 14 feet subsiding to 7 to 11 feet. waves
occasionally around 18 feet. 
.wednesday...west winds to 30 knots diminishing to 15 to
20 knots. snow showers. waves 6 to 10 feet subsiding to 3 to
6 feet. waves occasionally around 13 feet. 
.thursday...west winds 15 to 20 knots. a chance of snow showers.
waves 3 to 6 feet. 
.friday...west winds 15 to 25 knots. a chance of snow showers.
waves 4 to 7 feet subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sun dec 28 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...a ridge of high pressure averaging 30.1 inches will 
weaken over eastern quebec through this evening. low pressure 
averaging 29.1 inches will then cross the lower great lakes tonight, 
before moving to northern new england and southern quebec monday, 
then to the canadian maritimes by tuesday while deepening to 28.8 
inches. a trough averaging 29.6 inches, will drop southward across 
the lake thursday.


loz063-290400-
lake ontario open waters from hamlin beach to sodus bay-
402 pm est sun dec 28 2025

...storm warning in effect from monday afternoon through monday
evening...

.tonight...southeast winds 15 to 25 knots becoming south. rain
showers. waves 2 to 4 feet building to 3 to 5 feet. 
.monday...southwest gales to 40 knots increasing to 50 knot
storms in the afternoon. rain showers likely early, then rain and
snow showers likely late in the morning. snow showers in the
afternoon. waves 8 to 11 feet building to 19 to 24 feet. waves
occasionally around 31 feet. 
.monday night...west gales to 45 knots diminishing to 40 knots.
snow showers. waves 19 to 24 feet subsiding to 17 to 22 feet.
waves occasionally around 31 feet. 
.tuesday...northwest gales to 40 knots becoming west. snow
showers. waves 16 to 21 feet subsiding to 15 to 19 feet. waves
occasionally around 27 feet. 
.tuesday night...west gales to 40 knots diminishing to 30 knots
overnight. lake effect snow showers. waves 14 to 18 feet
subsiding to 9 to 13 feet. waves occasionally around 23 feet. 
.wednesday...west winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. lake effect snow showers. waves
8 to 12 feet subsiding to 5 to 8 feet. waves occasionally around
15 feet. 
.thursday...west winds 15 to 20 knots. a chance of snow showers.
waves 3 to 6 feet. 
.friday...southwest winds 15 to 25 knots becoming west. a chance
of snow showers. waves 5 to 8 feet. waves occasionally around
10 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sun dec 28 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...a ridge of high pressure averaging 30.1 inches will 
weaken over eastern quebec through this evening. low pressure 
averaging 29.1 inches will then cross the lower great lakes tonight, 
before moving to northern new england and southern quebec monday, 
then to the canadian maritimes by tuesday while deepening to 28.8 
inches. a trough averaging 29.6 inches, will drop southward across 
the lake thursday.


loz064-290400-
lake ontario open waters from sodus bay to mexico bay-
402 pm est sun dec 28 2025

...storm warning in effect from monday afternoon through monday
evening...

.tonight...southeast winds 15 to 25 knots becoming south. rain
showers. waves 2 to 4 feet building to 3 to 6 feet. 
.monday...south winds to 30 knots becoming southwest and
increasing to 45 knot gales in the afternoon. rain showers with a
chance of snow showers in the morning, then snow showers with a
chance of rain showers in the afternoon. waves 6 to 9 feet
building to 18 to 23 feet. waves occasionally around 29 feet. 
.monday night...southwest storm force winds to 50 knots becoming
west and diminishing to 45 knot gales overnight. snow showers.
waves 20 to 25 feet subsiding to 18 to 23 feet. waves
occasionally around 32 feet. 
.tuesday...west gales to 40 knots. snow showers. waves 16 to
21 feet subsiding to 15 to 19 feet. waves occasionally around
27 feet. 
.tuesday night...west gales to 40 knots diminishing to 30 knots.
a chance of snow showers in the evening, then lake effect snow
showers overnight. waves 15 to 19 feet subsiding to 10 to
14 feet. waves occasionally around 24 feet. 
.wednesday...west winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. lake effect snow showers. waves
9 to 12 feet subsiding to 5 to 8 feet. waves occasionally around
15 feet. 
.thursday...northwest winds 15 to 20 knots becoming west. lake
effect snow showers likely during the day, then a chance of lake
effect snow showers thursday night. waves 3 to 6 feet. 
.friday...southwest winds 15 to 25 knots becoming west. a chance
of lake effect snow showers. waves 5 to 8 feet. waves
occasionally around 10 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sun dec 28 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...a ridge of high pressure averaging 30.1 inches will 
weaken over eastern quebec through this evening. low pressure 
averaging 29.1 inches will then cross the lower great lakes tonight, 
before moving to northern new england and southern quebec monday, 
then to the canadian maritimes by tuesday while deepening to 28.8 
inches. a trough averaging 29.6 inches, will drop southward across 
the lake thursday.


loz065-290400-
lake ontario open waters from mexico bay to the saint lawrence
river-
402 pm est sun dec 28 2025

...storm warning in effect from monday afternoon through monday
evening...

.tonight...southeast winds 15 to 25 knots. rain showers. waves
1 to 3 feet building to 3 to 6 feet. 
.monday...south winds to 30 knots becoming southwest and
increasing to 45 knot gales in the afternoon. rain showers with a
chance of snow showers in the morning, then snow showers with a
chance of rain showers in the afternoon. waves 6 to 9 feet
building to 17 to 22 feet. waves occasionally around 28 feet. 
.monday night...southwest storm force winds to 50 knots becoming
west and diminishing to 45 knot gales overnight. snow showers.
waves 18 to 23 feet subsiding to 15 to 20 feet. waves
occasionally around 29 feet. 
.tuesday...west gales to 40 knots. snow showers. waves 14 to
18 feet subsiding to 13 to 17 feet. waves occasionally around
23 feet. 
.tuesday night...west gales to 40 knots diminishing to 30 knots.
a chance of snow showers in the evening, then lake effect snow
showers overnight. waves 12 to 16 feet subsiding to 7 to 10 feet.
waves occasionally around 20 feet. 
.wednesday...west winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. lake effect snow showers. waves
7 to 11 feet subsiding to 3 to 6 feet. waves occasionally around
14 feet. 
.thursday...northwest winds 10 to 15 knots becoming west. snow
showers likely during the day, then a chance of snow showers
thursday night. waves 2 to 4 feet building to 3 to 6 feet. 
.friday...west winds 15 to 20 knots. a chance of lake effect snow
showers. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
250 pm est sun dec 28 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...
a deepening low pressure 28.80 inches will move northeast into the
central great lakes tonight, moving a strong cold front east
across the lake late tonight into monday. this low will depart to
the northeast with a surface trough averaging 29.90 inches
lingering across the lake into friday as a weak high pressure
30.00 inches nudges south into the region.


lez061-168-169-290330-
ripley to buffalo ny extending from 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-
250 pm est sun dec 28 2025

...gale warning in effect from late tonight through monday
morning...
...storm warning in effect from monday morning through monday
evening...

.tonight...south winds 15 to 20 knots becoming southwest and
increasing to 35 knot gales after midnight. rain with a slight
chance of thunderstorms. waves 2 to 4 feet building to 9 to
12 feet. waves occasionally around 15 feet. 
.monday...southwest gales to 40 knots becoming west storms to 50 
knots. a slight chance of snow early, then a chance of snow late 
in the morning. snow in the afternoon. waves 13 to 17 feet 
building to 17 to 22 feet. waves occasionally around 28 feet. 
.monday night...west gales to 45 knots diminishing to 40 knots.
snow. waves 15 to 20 feet subsiding to 11 to 15 feet. waves
occasionally around 26 feet. 
.tuesday...west gales to 35 knots diminishing to 30 knots. snow
likely in the morning, then a chance of snow in the afternoon.
waves 10 to 13 feet subsiding to 7 to 11 feet. waves occasionally
around 16 feet. 
.tuesday night...west winds to 30 knots. snow. waves 7 to
11 feet. waves occasionally around 14 feet. 
.wednesday...west winds to 30 knots diminishing to 15 to
20 knots. snow. waves 7 to 10 feet subsiding to 3 to 5 feet.
waves occasionally around 13 feet. 
.thursday...west winds 15 to 20 knots. a chance of snow during
the day. waves 3 to 6 feet. 
.friday...west winds 15 to 25 knots. waves 4 to 7 feet subsiding
to 3 to 5 feet. waves occasionally around 9 feet. 

winds and waves higher in and near thunderstorms.

$$