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open lake forecast for lake ontario
national weather service buffalo ny
402 am 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 then stretch from minnesota 
to the central great lakes wednesday, with one piece of this low 
passing just south of the lake wednesday night. another 29.3 inch 
low will develop over the central plains thursday, then move to the 
central great lakes by friday night, then weaken to 29.7 inches as 
it moves just north of lake ontario saturday. a strong 30.4 inch 
high will then slowly build east across the great lakes through 
early next week.


loz062-063-171600-
lake ontario open waters from the niagara river to sodus bay-
402 am est tue feb 17 2026

.today...west winds 5 to 15 knots. waves 1 to 3 feet. 
.tonight...west winds 10 knots or less becoming east and
increasing to 15 to 20 knots after midnight. a chance of rain and
snow late. waves 1 to 3 feet. 
.wednesday...east winds 15 to 25 knots becoming northeast to
30 knots. rain, snow, sleet and freezing rain. waves 3 to 5 feet
building to 5 to 9 feet. waves occasionally around 11 feet. 
.wednesday night...northeast winds 15 to 20 knots. snow, freezing
rain and rain in the evening, then a chance of snow and freezing
rain overnight. waves 5 to 8 feet subsiding to 3 to 5 feet. waves
occasionally around 10 feet. 
.thursday...east winds 15 to 25 knots. a chance of rain and
freezing rain thursday night. waves 2 to 4 feet building to 5 to
8 feet. waves occasionally around 10 feet. 
.friday...east winds to 30 knots becoming west and diminishing to
15 to 20 knots. rain with a chance of freezing rain during the
day, then rain with a chance of snow friday night. waves 6 to
9 feet subsiding to 3 to 6 feet. waves occasionally around
11 feet. 
.saturday...west winds 15 to 20 knots becoming north 10 to
15 knots. a chance of snow showers. waves 3 to 5 feet subsiding
to 2 to 4 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 am 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 then stretch from minnesota 
to the central great lakes wednesday, with one piece of this low 
passing just south of the lake wednesday night. another 29.3 inch 
low will develop over the central plains thursday, then move to the 
central great lakes by friday night, then weaken to 29.7 inches as 
it moves just north of lake ontario saturday. a strong 30.4 inch 
high will then slowly build east across the great lakes through 
early next week.


loz064-065-171600-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 am est tue feb 17 2026

.today...west winds 5 to 15 knots. patchy fog early. a chance of
rain showers early. waves 1 to 3 feet. 
.tonight...west winds 10 knots or less becoming northeast. waves
2 feet or less. 
.wednesday...northeast winds 10 to 15 knots increasing to 15 to
20 knots. snow and rain. waves 1 to 3 feet building to 3 to
5 feet. 
.wednesday night...northeast winds 15 to 20 knots. snow with a
chance of freezing rain in the evening, then a chance of freezing
rain and snow overnight. waves 3 to 5 feet subsiding to 2 to
4 feet. 
.thursday...northeast winds 15 to 20 knots becoming east. a
chance of freezing rain thursday night. waves 1 to 3 feet. 
.friday...east winds 15 to 25 knots becoming southwest. rain,
snow with a chance of freezing rain during the day, then snow and
rain friday night. waves 2 to 4 feet building to 3 to 5 feet. 
.saturday...northeast winds 15 to 20 knots becoming north 10 to
15 knots. a chance of snow showers and freezing rain during the
day, then a chance of snow showers saturday night. waves 3 to
5 feet subsiding to 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
321 am 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.


lez061-168-169-171530-
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-
321 am est tue feb 17 2026

.today...southwest winds 5 to 10 knots becoming light and
variable. patchy dense fog. the lake is mostly ice covered.
.tonight...east winds less than 10 knots increasing to 15 to
20 knots. a chance of rain after midnight. rain likely late. 
.wednesday...east winds 15 to 20 knots becoming northwest 10 to
15 knots. rain.
.wednesday night...north winds 5 to 10 knots becoming east. 
.thursday...east winds 5 to 15 knots increasing to 15 to
20 knots. a chance of rain thursday night. 
.friday...southeast winds 15 to 20 knots becoming southwest. rain
likely during the day. 
.saturday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of snow saturday night. 

waves omitted due to the lake being mostly ice covered.

$$