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open lake forecast for lake ontario
national weather service buffalo ny
402 am est tue jan 6 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 29.5 inch low will cross lake ontario tonight before 
moving into the gulf of maine wednesday. a 30.1 inch high will then 
build from the ohio valley wednesday to off the mid atlantic coast 
by late thursday while strengthening to 30.3 inches. a 29.5 inch low 
will then move from near lake michigan thursday night to quebec 
friday, with a trailing cold front crossing the lake friday. another 
29.6 inch low is then forecast to develop over lower michigan 
saturday, then move to quebec by sunday while deepening to 29.1 
inches. a trailing cold front is forecast to cross the lake saturday 
night.


loz062-061600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est tue jan 6 2026

.today...east winds 10 to 15 knots increasing to 15 to 20 knots.
rain this afternoon. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...east winds 15 to 20 knots becoming northwest. rain in
the evening, then rain and snow after midnight. snow likely with
a chance of rain showers late. waves 2 to 4 feet. 
.wednesday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of snow showers in the morning. waves 2 to
3 feet. 
.wednesday night...west winds 10 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.thursday...southwest winds 5 to 10 knots becoming southeast and
increasing to 15 to 20 knots. rain thursday night. waves 1 to
3 feet. 
.friday...southwest winds 15 to 25 knots becoming east and
diminishing to 10 to 15 knots. rain during the day, then a chance
of rain friday night. waves 3 to 5 feet subsiding to 1 to 3 feet.
.saturday...east winds 15 to 20 knots becoming southwest and
increasing to 35 knot gales. rain likely during the day, then a
chance of rain and snow showers saturday night. waves 3 to 5 feet
building to 10 to 13 feet. waves occasionally around 16 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 am est tue jan 6 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 29.5 inch low will cross lake ontario tonight before 
moving into the gulf of maine wednesday. a 30.1 inch high will then 
build from the ohio valley wednesday to off the mid atlantic coast 
by late thursday while strengthening to 30.3 inches. a 29.5 inch low 
will then move from near lake michigan thursday night to quebec 
friday, with a trailing cold front crossing the lake friday. another 
29.6 inch low is then forecast to develop over lower michigan 
saturday, then move to quebec by sunday while deepening to 29.1 
inches. a trailing cold front is forecast to cross the lake saturday 
night.


loz063-064-061600-
lake ontario open waters from hamlin beach to mexico bay-
402 am est tue jan 6 2026

.today...east winds 5 to 15 knots increasing to 15 to 20 knots. a
chance of rain and snow showers early this afternoon. rain with a
chance of snow showers late. waves 1 to 3 feet. 
.tonight...east winds 15 to 20 knots becoming northwest. rain
through the early overnight, then rain and snow likely late.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...northwest winds 15 to 20 knots becoming west. a
chance of snow showers in the morning. waves 2 to 4 feet building
to 3 to 5 feet, then subsiding to 2 to 4 feet. 
.wednesday night...west winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.thursday...southwest winds 5 to 15 knots becoming southeast and
increasing to 30 knots. rain likely thursday night. waves 1 to
3 feet building to 3 to 6 feet. 
.friday...south winds to 30 knots becoming northeast and
diminishing to 10 to 15 knots. rain likely during the day, then a
chance of rain friday night. waves 4 to 7 feet subsiding to 1 to
3 feet. waves occasionally around 9 feet. 
.saturday...east winds 15 to 20 knots becoming southwest and
increasing to 35 knot gales. rain likely during the day, then
rain showers likely with a chance of snow showers saturday night.
waves 3 to 6 feet building to 10 to 14 feet. waves occasionally
around 18 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 am est tue jan 6 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 29.5 inch low will cross lake ontario tonight before 
moving into the gulf of maine wednesday. a 30.1 inch high will then 
build from the ohio valley wednesday to off the mid atlantic coast 
by late thursday while strengthening to 30.3 inches. a 29.5 inch low 
will then move from near lake michigan thursday night to quebec 
friday, with a trailing cold front crossing the lake friday. another 
29.6 inch low is then forecast to develop over lower michigan 
saturday, then move to quebec by sunday while deepening to 29.1 
inches. a trailing cold front is forecast to cross the lake saturday 
night.


loz065-061600-
lake ontario open waters from mexico bay to the saint lawrence
river-
402 am est tue jan 6 2026

.today...northeast winds 5 to 15 knots becoming east. a chance of
snow showers early this afternoon. rain and snow late. waves
1 foot or less. 
.tonight...east winds 10 to 15 knots becoming northeast. rain
through the early overnight, then rain and snow likely late.
waves 2 feet or less. 
.wednesday...north winds 15 to 20 knots becoming west 10 to
15 knots. a chance of snow showers in the morning. waves 1 to
3 feet. 
.wednesday night...west winds 5 to 10 knots becoming southwest.
waves 1 to 3 feet. 
.thursday...southwest winds 5 to 15 knots becoming southeast and
increasing to 30 knots. rain likely thursday night. waves 1 to
2 feet building to 3 to 6 feet. 
.friday...south winds to 30 knots becoming northeast and
diminishing to 10 to 15 knots. rain likely during the day, then a
chance of rain friday night. waves 4 to 7 feet subsiding to 1 to
3 feet. waves occasionally around 9 feet. 
.saturday...east winds 15 to 25 knots becoming southwest and
increasing to 35 knot gales. rain likely during the day, then
rain showers likely with a chance of snow showers saturday night.
waves 1 to 3 feet building to 10 to 13 feet. waves occasionally
around 16 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
927 am est tue jan 6 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...
as a low wobbles east-northeastward from the southwestern great
lakes to lake ontario the rest of today, a warm front will drift
northeastward across lake erie late this morning through early
evening before a cold front sweeps eastward across lake erie this
evening. a ridge averaging 30.00 inches should affect lake erie 
on wednesday through thursday as the core of the ridge moves from 
the lower ohio valley to atlantic waters near the delmarva 
peninsula. during thursday night through friday, a low should
wobble northeastward from the upper mississippi valley to southern
quebec and weaken to 29.80 inches. accordingly, a warm front
should sweep northeastward across lake erie thursday night before
a cold front sweeps southeastward across the lake on friday. behind 
the cold front, a ridge averaging 30.10 inches should build 
briefly from the northern great lakes and vicinity friday night.
on saturday, another low should wobble northeastward from the 
lower ohio valley to lake huron, deepen to 29.30 inches, and allow
a warm front to sweep northeastward across lake erie before a 
cold front sweeps generally eastward across the lake. behind the 
cold front, a trough averaging 29.90 inches should linger over 
lake erie on sunday. 


lez061-166>169-062130-
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-
927 am est tue jan 6 2026

.rest of today...southeast winds 10 to 15 knots becoming south
15 to 20 knots. patchy fog. rain. waves 1 to 3 feet building to
2 to 4 feet. 
.tonight...southwest winds 15 to 20 knots becoming west. patchy
fog early. rain early, then rain with snow likely. a chance of
rain and snow late. waves 3 to 5 feet. 
.wednesday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday night...southwest winds 10 to 15 knots becoming south.
waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots increasing to 30 knots.
rain thursday night. waves 1 to 3 feet building to 3 to 6 feet. 
.friday...southwest winds to 30 knots becoming east and
diminishing to 10 to 15 knots. rain likely during the day, then a
chance of rain friday night. waves 3 to 6 feet subsiding to 1 to
3 feet. 
.saturday...south winds 15 to 25 knots becoming west to 30 knots.
rain likely during the day, then a chance of snow and rain
saturday night. waves 3 to 5 feet building to 9 to 12 feet. waves
occasionally around 15 feet. 

$$