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open lake forecast for lake ontario
national weather service buffalo ny
1002 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.


loz062-063-181000-
lake ontario open waters from the niagara river to sodus bay-
1002 pm est tue feb 17 2026

.overnight...north winds 10 to 15 knots becoming northeast
15 to 20 knots. areas of fog. a chance of rain showers late.
waves 1 to 3 feet. 
.wednesday...east winds 15 to 25 knots increasing to 30 knots.
rain, freezing rain and sleet with snow showers likely in the
morning, then rain and freezing rain with snow showers likely in
the afternoon. areas of fog from late morning on. waves 3 to
6 feet building to 7 to 10 feet. waves occasionally around
13 feet. 
.wednesday night...northeast winds 15 to 25 knots. snow showers
with freezing rain likely in the evening, then a chance of
freezing rain and snow showers overnight. 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. 

$$

fzus61 kbuf 180302
glflo 
expires:202602181000;;817811

open lake forecast for lake ontario
national weather service buffalo ny
1002 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.


loz064-065-181000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 pm est tue feb 17 2026

.overnight...south winds 10 knots or less becoming
northeast. areas of dense fog. waves 1 foot or less. 
.wednesday...northeast winds 10 to 15 knots increasing to 15 to
20 knots. snow showers likely with a chance of freezing rain late
in the morning. rain with snow showers likely in the afternoon.
areas of fog in the afternoon. 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. 

$$