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open lake forecast for lake ontario
national weather service buffalo ny
402 pm 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.


loz062-070400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est tue jan 6 2026

.tonight...east winds 15 to 20 knots becoming northwest 10 to
15 knots. patchy fog. rain early, then rain showers late this
evening. rain showers with snow showers likely after midnight.
waves 3 to 6 feet subsiding to 2 to 4 feet. 
.wednesday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. 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.
waves 2 feet or less. 
.thursday night...southeast winds 5 to 15 knots becoming south
15 to 20 knots. rain showers likely overnight. waves 1 to 3 feet.
.friday...south winds 15 to 20 knots becoming northeast 10 to
15 knots. rain showers likely during the day, then a chance of
rain showers friday night. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.saturday...east winds 15 to 25 knots becoming southwest and
increasing to 35 knot gales. rain showers likely during the day,
then rain showers likely with a chance of snow showers saturday
night. waves 3 to 6 feet building to 9 to 12 feet. waves
occasionally around 15 feet. 
.sunday...west gales to 35 knots diminishing to 30 knots. a
chance of snow showers during the day. waves 11 to 15 feet
subsiding to 5 to 8 feet. waves occasionally around 19 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 pm 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.


loz063-064-070400-
lake ontario open waters from hamlin beach to mexico bay-
402 pm est tue jan 6 2026

.tonight...southeast winds 15 to 20 knots becoming northwest.
areas of fog. rain early, then rain showers. rain showers likely,
a chance of snow showers and freezing rain late. waves 3 to
5 feet subsiding to 1 to 3 feet. 
.wednesday...northwest winds 15 to 20 knots becoming west. patchy
fog early. a chance of snow and rain showers early, then a chance
of snow showers late 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 10 knots becoming southeast.
waves 1 to 3 feet. 
.thursday night...southeast winds 10 to 15 knots becoming south
and increasing to 15 to 25 knots. rain showers likely overnight.
waves 1 to 3 feet building to 3 to 5 feet. 
.friday...south winds 15 to 25 knots becoming north and
diminishing to 10 to 15 knots. rain showers likely during the
day, then a chance of rain showers friday night. waves 4 to
7 feet subsiding to 2 to 3 feet. waves occasionally around
9 feet. 
.saturday...east winds 15 to 20 knots becoming southwest and
increasing to 35 knot gales. rain showers likely during the day,
then rain showers likely with a chance of snow showers saturday
night. waves 2 to 4 feet building to 9 to 12 feet. waves
occasionally around 15 feet. 
.sunday...southwest gales to 40 knots becoming west and
diminishing to 30 knots. a chance of snow and rain showers during
the day, then a chance of snow showers sunday night. waves 12 to
16 feet building to 13 to 18 feet, then subsiding to 9 to
12 feet. waves occasionally around 23 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 pm 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.


loz065-070400-
lake ontario open waters from mexico bay to the saint lawrence
river-
402 pm est tue jan 6 2026

.tonight...east winds 15 to 20 knots becoming north 10 to
15 knots. rain early, then rain showers. rain showers, snow
showers likely with a chance of freezing rain late. patchy fog
from late evening on. waves 1 to 3 feet. 
.wednesday...north winds 10 to 15 knots becoming west. a chance
of snow showers, rain showers and freezing rain early, then a
chance of snow showers late in the morning. waves 1 to 2 feet. 
.wednesday night...west winds 5 to 10 knots. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 10 knots becoming south. waves
1 to 3 feet. 
.thursday night...southeast winds 10 to 15 knots increasing to
15 to 25 knots. a chance of rain showers overnight. waves 1 to
3 feet building to 3 to 5 feet. 
.friday...south winds to 30 knots becoming north and diminishing
to around 10 knots. rain showers. waves 4 to 7 feet subsiding to
1 to 3 feet. waves occasionally around 9 feet. 
.saturday...northeast winds 10 to 15 knots becoming southwest and
increasing to 30 knots. rain showers likely during the day, then
rain showers likely with a chance of snow showers saturday night.
waves 1 to 3 feet building to 8 to 11 feet. waves occasionally
around 14 feet. 
.sunday...west gales to 40 knots diminishing to 20 to 25 knots. a
chance of snow and rain showers during the day, then a chance of
snow showers sunday night. waves 10 to 14 feet building to 11 to
16 feet, then subsiding to 8 to 11 feet. waves occasionally
around 20 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
256 pm 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...
a warm front continues to drift northeastward across lake erie
through this early evening before a cold front sweeps eastward 
across the lake 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 ozarks 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>169-070315-
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-
256 pm est tue jan 6 2026

.tonight...southwest winds 15 to 25 knots becoming west. patchy
fog through the early overnight. rain early, then rain with a
chance of drizzle late this evening. snow likely, a chance of
rain and drizzle after midnight. waves 3 to 6 feet. 
.wednesday...west winds 15 to 20 knots diminishing to 10 to
15 knots. a slight chance of rain and drizzle early. waves 3 to
5 feet subsiding to 1 to 3 feet. 
.wednesday night...southwest winds 5 to 15 knots becoming south.
waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.thursday night...south winds 15 to 25 knots increasing to
30 knots. a chance of rain in the evening, then rain overnight.
waves 2 to 4 feet building to 4 to 7 feet, then subsiding to 3 to
6 feet. waves occasionally around 9 feet. 
.friday...south winds 15 to 25 knots becoming northeast and
diminishing to 10 to 15 knots. a chance of rain. waves 3 to
6 feet subsiding to 2 feet or less. 
.saturday...east 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 1 to 3 feet building to 9 to 12 feet. waves
occasionally around 15 feet. 
.sunday...west winds to 30 knots diminishing to 15 to 20 knots. a
chance of snow during the day. waves 10 to 13 feet subsiding to
3 to 6 feet. waves occasionally around 16 feet. 

$$