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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est tue feb 17 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 30.1 inch ridge will build over the lower great lakes 
today. an elongated 29.4 inch low will stretch from minnesota to the 
central great lakes wednesday, with one piece of this low passing 
just south of the lake wednesday night. a 29.3 inch low will develop 
over the central plains thursday, then move to the central great 
lakes by friday night, weakening to 29.7 inches as it moves just 
north of lake ontario saturday. a 30.4 inch high will then slowly 
build east across the great lakes through early next week.


loz062-063-180400-
lake ontario open waters from the niagara river to sodus bay-
402 pm est tue feb 17 2026

.tonight...southwest winds 5 to 15 knots becoming northeast 15 to
20 knots. widespread dense fog. waves 1 to 3 feet. 
.wednesday...east winds 15 to 25 knots increasing to 30 knots.
rain showers with a chance of snow showers early, then snow
showers, rain showers and freezing rain. snow showers, freezing
rain and rain showers late. waves 3 to 6 feet building to 7 to
10 feet. waves occasionally around 13 feet. 
.wednesday night...northeast winds 15 to 25 knots. a chance of
freezing rain and snow showers. waves 6 to 9 feet subsiding to
3 to 5 feet. waves occasionally around 11 feet. 
.thursday...east winds 15 to 20 knots. waves 2 to 4 feet building
to 3 to 5 feet. 
.thursday night...east winds 15 to 25 knots. a chance of rain
overnight. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.friday...east winds 15 to 25 knots becoming west. rain during
the day, then rain with a chance of snow friday night. waves 4 to
7 feet subsiding to 3 to 5 feet. waves occasionally around
9 feet. 
.saturday...west winds 15 to 20 knots becoming northeast. a
chance of snow and rain during the day. waves 2 to 4 feet. 
.sunday...northeast winds 15 to 20 knots becoming north. a chance
of snow. waves 3 to 6 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est tue feb 17 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 30.1 inch ridge will build over the lower great lakes 
today. an elongated 29.4 inch low will stretch from minnesota to the 
central great lakes wednesday, with one piece of this low passing 
just south of the lake wednesday night. a 29.3 inch low will develop 
over the central plains thursday, then move to the central great 
lakes by friday night, weakening to 29.7 inches as it moves just 
north of lake ontario saturday. a 30.4 inch high will then slowly 
build east across the great lakes through early next week.


loz064-065-180400-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 pm est tue feb 17 2026

.tonight...south winds 10 knots or less becoming northeast.
widespread dense fog. waves 2 feet or less. 
.wednesday...northeast winds 10 to 15 knots increasing to 15 to
20 knots. snow showers with a chance of rain showers late in the
morning. snow showers early in the afternoon, then snow and rain
showers late. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday night...northeast winds 15 to 20 knots. snow showers
with a chance of freezing rain in the evening, then a chance of
freezing rain and snow showers overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.thursday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.thursday night...northeast winds 10 to 15 knots becoming east
15 to 20 knots. a chance of rain and snow overnight. waves 1 to
3 feet. 
.friday...east winds 15 to 20 knots becoming southwest. rain with
snow likely during the day, then rain with a chance of snow
friday night. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday...west winds 10 to 15 knots becoming north. a chance of
snow and rain during the day, then a chance of snow saturday
night. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...northeast winds 10 to 15 knots becoming north 15 to
20 knots. a chance of snow. waves 1 to 3 feet building to 3 to
5 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
234 pm est tue feb 17 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 stationary front will settle south across lake erie tonight. low
pressure of 29.20 inches will move into the upper midwest on
wednesday, lifting the stationary boundary north as a warm front.
another low pressure system will deepen to 29.40 inches as it 
approaches southern lake michigan thursday night, sweeping a cold 
front east across lake erie on friday. a trough averaging 29.90 
inches will linger into saturday.


lez061-168-169-180315-
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-
234 pm est tue feb 17 2026

.tonight...east winds 10 knots or less. widespread dense fog.
rain showers likely late. the lake is mostly ice covered.
.wednesday...east winds 5 to 15 knots becoming northwest. rain
showers through early afternoon, then a slight chance of rain
showers late. 
.wednesday night...north winds 5 to 10 knots becoming northeast. 
.thursday...northeast winds 5 to 15 knots. 
.thursday night...northeast winds 10 to 15 knots becoming east. a
chance of rain showers in the evening, then rain showers likely
overnight. 
.friday...southeast winds 10 to 15 knots becoming southwest 15 to
20 knots. rain showers likely during the day. 
.saturday...west winds 15 to 20 knots becoming northwest 5 to
15 knots. a chance of snow saturday night. 
.sunday...north winds 15 to 20 knots becoming northwest. a chance
of snow. 

waves omitted due to the lake being mostly ice covered.

$$