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fzus61 kbuf 121446
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
946 am est wed feb 12 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 30.5 inch high will build from southern quebec 
today into the canadian maritimes by early thursday. meanwhile, a
29.6 inch low will move into the ohio valley this evening, then 
reach the saint lawrence valley thursday before moving into the 
canadian maritimes friday. a 30.6 inch high will build across the
ohio valley friday, then drift off the east coast saturday. low 
pressure across tennessee on saturday will deepen to 29.2 inches 
as it tracks into western new england during sunday.


loz062-122230-
lake ontario open waters from the niagara river to hamlin beach-
946 am est wed feb 12 2025

...gale watch in effect from thursday morning through thursday
evening...

.rest of today...east winds to 30 knots. a chance of snow showers
late this morning. snow likely late. waves 5 to 8 feet building
to 7 to 10 feet. waves occasionally around 13 feet. 
.tonight...east winds to 30 knots becoming southeast and
diminishing to 15 to 20 knots. snow in the evening, then rain,
sleet and snow after midnight. rain late. waves 8 to 11 feet
subsiding to 3 to 6 feet. waves occasionally around 14 feet. 
.thursday...south winds 15 to 20 knots becoming west and
increasing to 35 knot gales in the afternoon. rain in the
morning, then a chance of snow showers in the afternoon. waves
1 to 3 feet building to 10 to 15 feet. waves occasionally around
19 feet. 
.thursday night...west gales to 35 knots. a chance of snow
showers. waves 10 to 14 feet subsiding to 7 to 10 feet. waves
occasionally around 18 feet. 
.friday...west winds to 30 knots becoming southeast and
diminishing to 10 to 15 knots. snow showers likely during the
day, then a chance of snow showers friday night. waves 7 to
10 feet subsiding to 1 to 2 feet. waves occasionally around
13 feet. 
.saturday...southeast winds 10 to 15 knots becoming northeast
15 to 20 knots. snow. waves 1 to 2 feet building to 2 to 4 feet. 
.sunday...northeast winds 15 to 25 knots becoming northwest. snow
during the day, then a chance of snow showers sunday night. waves
3 to 5 feet building to 5 to 8 feet. waves occasionally around
10 feet. 

$$
fzus61 kbuf 121446
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
946 am est wed feb 12 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 30.5 inch high will build from southern quebec 
today into the canadian maritimes by early thursday. meanwhile, a
29.6 inch low will move into the ohio valley this evening, then 
reach the saint lawrence valley thursday before moving into the 
canadian maritimes friday. a 30.6 inch high will build across the
ohio valley friday, then drift off the east coast saturday. low 
pressure across tennessee on saturday will deepen to 29.2 inches 
as it tracks into western new england during sunday.


loz063>065-122230-
lake ontario open waters from hamlin beach to the saint lawrence
river-
946 am est wed feb 12 2025

...gale watch in effect from thursday morning through thursday
evening...

.rest of today...northeast winds 15 to 25 knots. a chance of snow
showers late. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.tonight...east winds to 30 knots becoming southeast 15 to
25 knots. snow and sleet with freezing rain likely in the
evening, then rain, sleet and freezing rain after midnight. waves
5 to 9 feet subsiding to 3 to 6 feet. waves occasionally around
11 feet. 
.thursday...south winds 15 to 25 knots becoming west and
increasing to 35 knot gales in the afternoon. rain and freezing
rain in the morning, then snow with a chance of rain showers in
the afternoon. waves 3 to 6 feet building to 13 to 17 feet. waves
occasionally around 22 feet. 
.thursday night...west gales to 35 knots becoming northwest and
diminishing to 30 knots. snow showers likely. waves 12 to 17 feet
subsiding to 8 to 11 feet. waves occasionally around 22 feet. 
.friday...west winds to 30 knots becoming south and diminishing
to 10 to 15 knots. snow showers likely during the day, then a
chance of snow showers friday night. waves 8 to 11 feet subsiding
to 1 to 3 feet. waves occasionally around 14 feet. 
.saturday...southeast winds 15 to 20 knots becoming northeast.
snow. waves 1 to 3 feet building to 2 to 4 feet. 
.sunday...northeast winds 15 to 25 knots becoming northwest to
30 knots. snow. waves 3 to 6 feet building to 7 to 10 feet. waves
occasionally around 13 feet. 

$$
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open lake forecast for lake erie
national weather service cleveland oh
929 am est wed feb 12 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...
low pressure 29.60 inches will lift northeast across the ohio
valley this afternoon before tracking northeast across the western
half of lake erie tonight into early thursday. a ridge averaging
30.60 inches will briefly build over the lake thursday night into
friday morning. a warm front will lift across the region late
friday into saturday with low pressure 29.40 inches moving
northeast from the ohio valley into the northeast or mid-atlantic
saturday night and early sunday.


lez061-168-169-122115-
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-
929 am est wed feb 12 2025

.rest of today...east winds 15 to 25 knots. a slight chance of
snow late this morning, then a chance of snow with a slight
chance of freezing rain early this afternoon. snow, a slight
chance of freezing rain and sleet late. the lake is mostly ice
covered.
.tonight...east winds 15 to 25 knots becoming southwest. freezing
rain, snow, rain with a slight chance of sleet early, then rain
and freezing rain late in the evening. rain after midnight. 
.thursday...southwest winds 15 to 25 knots becoming west to
30 knots. rain likely with a chance of snow in the morning, then
a chance of snow in the afternoon. 
.thursday night...west winds 15 to 25 knots. a chance of snow in
the evening. 
.friday...west winds 15 to 20 knots becoming southeast and
diminishing to 5 to 10 knots. a chance of snow friday night. 
.saturday...south winds 10 to 15 knots becoming northeast. rain
and snow. 
.sunday...north winds 15 to 20 knots becoming west. snow during
the day, then a chance of snow sunday night. 

waves omitted due to the lake being mostly ice covered.

$$
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