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open lake forecast for lake ontario
national weather service buffalo ny
402 am est wed feb 18 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...an elongated 29.4 inch low will stretch from western
minnesota early this morning to the central great lakes 
midday, 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.


loz062-063-181600-
lake ontario open waters from the niagara river to sodus bay-
402 am est wed feb 18 2026

.today...east winds 15 to 25 knots becoming northeast to
30 knots. patchy dense fog early. freezing rain and snow with
rain likely this morning, then freezing rain, snow and sleet this
afternoon. waves 3 to 6 feet building to 8 to 11 feet. waves
occasionally around 14 feet. 
.tonight...northeast winds 15 to 25 knots. snow with possible
freezing rain and sleet likely early, then a chance of snow late
in the evening. waves 7 to 10 feet subsiding to 3 to 6 feet.
waves occasionally around 13 feet. 
.thursday...east winds 15 to 20 knots. waves 2 to 4 feet building
to 3 to 6 feet. 
.thursday night...east winds 15 to 25 knots. a chance of rain
showers 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 showers
during the day, then rain showers with a chance of snow showers
friday night. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.saturday...west winds 10 to 15 knots becoming northeast. a
chance of snow showers. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.sunday...northeast winds 15 to 20 knots. a chance of snow
showers. waves 2 to 4 feet building to 3 to 5 feet. 

$$

fzus61 kbuf 180902
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open lake forecast for lake ontario
national weather service buffalo ny
402 am est wed feb 18 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...an elongated 29.4 inch low will stretch from western
minnesota early this morning to the central great lakes 
midday, 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.


loz064-065-181600-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 am est wed feb 18 2026

.today...northeast winds 15 to 20 knots. areas of fog early. snow
from late morning on. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. snow early, then a chance of snow late in the evening.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...northeast winds 5 to 15 knots. waves 2 feet or less. 
.thursday night...east winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain showers and freezing rain overnight.
waves 1 to 3 feet. 
.friday...east winds 15 to 20 knots becoming west. rain showers
with a chance of freezing rain during the day, then rain showers
with snow showers likely friday night. waves 2 to 4 feet. 
.saturday...northwest winds 5 to 15 knots becoming northeast. a
chance of snow showers. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.sunday...northeast winds 10 to 15 knots increasing to 15 to
20 knots. a chance of snow showers. waves 1 to 3 feet building to
2 to 4 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
345 am est wed feb 18 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...
low pressure of 29.20 inches will move into the upper midwest
today, lifting a warm front north across lake erie. another low 
pressure system will deepen to 29.30 inches as it approaches 
southern lake michigan thursday night, continuing northeast on
friday and sweeping a cold front east across lake erie. a trough 
averaging 30.10 inches will linger across the eastern great lakes
through the weekend. 


lez061-166>169-181515-
ripley to buffalo ny extending from 5nm 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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
345 am est wed feb 18 2026

.today...east winds 15 to 20 knots becoming northwest. a chance
of rain early, then rain. a chance of rain late. the lake is
mostly ice covered.
.tonight...northeast winds 5 to 15 knots becoming east. 
.thursday...east winds 5 to 15 knots becoming northeast. a chance
of rain in the afternoon. 
.thursday night...east winds 15 to 20 knots becoming southeast.
rain likely. 
.friday...south winds 15 to 25 knots becoming southwest. a chance
of rain during the day. 
.saturday...west winds 15 to 20 knots becoming northwest. a
chance of snow saturday night. 
.sunday...north winds 15 to 25 knots. snow likely during the day,
then a chance of snow sunday night. 

waves omitted due to the lake being mostly ice covered.

$$