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open lake forecast for lake ontario
national weather service buffalo ny
1230 am est wed nov 30 2022

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 29.3 inch low will move from lake superior tonight 
to just east of james bay by wednesday night while deepening to 
28.9 inches. a strong cold front trailing this low will cross the 
lake wednesday. a 30.5 inch high will build into the ohio valley 
on thursday and then across the mid-atlantic coast on friday. a 
29.3 inch low will then track across quebec on saturday, dragging 
another cold front across the lake late in the day.


loz062-301015-
lake ontario open waters from the niagara river to hamlin beach-
1230 am est wed nov 30 2022

...gale warning in effect from noon est today through thursday
afternoon...

.overnight...southeast winds 15 to 25 knots. rain late.
waves 3 to 5 feet. 
.wednesday...southeast winds to 30 knots becoming west and
increasing to 40 knot gales in the afternoon. rain through early
afternoon, then a chance of rain late. waves 3 to 6 feet building
to 13 to 17 feet. waves occasionally around 22 feet. 
.wednesday night...west gales to 40 knots. rain showers likely
with a chance of snow showers in the evening, then a chance of
snow showers overnight. waves 12 to 17 feet. waves occasionally
around 22 feet. 
.thursday...west gales to 40 knots diminishing to 30 knots. a
chance of snow showers in the morning. waves 12 to 17 feet
subsiding to 10 to 14 feet. waves occasionally around 22 feet. 
.thursday night...west winds 15 to 25 knots becoming southwest
and diminishing to 10 to 15 knots. waves 6 to 9 feet subsiding to
1 to 3 feet. waves occasionally around 11 feet. 
.friday...south winds 15 to 25 knots becoming southwest. a chance
of rain showers friday night. waves 1 to 3 feet building to 3 to
6 feet. 
.saturday...southwest winds to 30 knots becoming west. a chance
of rain showers during the day. waves 5 to 8 feet building to
9 to 12 feet, then subsiding to 7 to 10 feet. waves occasionally
around 15 feet. 
.sunday...west winds 15 to 20 knots becoming south 10 to
15 knots. a chance of rain showers sunday night. waves 3 to
5 feet subsiding to 1 to 3 feet. 

$$
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open lake forecast for lake ontario
national weather service buffalo ny
1230 am est wed nov 30 2022

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 29.3 inch low will move from lake superior tonight 
to just east of james bay by wednesday night while deepening to 
28.9 inches. a strong cold front trailing this low will cross the 
lake wednesday. a 30.5 inch high will build into the ohio valley 
on thursday and then across the mid-atlantic coast on friday. a 
29.3 inch low will then track across quebec on saturday, dragging 
another cold front across the lake late in the day.


loz063>065-301015-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1230 am est wed nov 30 2022

...gale warning in effect from noon est today through thursday
afternoon...

.overnight...southeast winds to 30 knots. waves 4 to 7 feet 
building to 6 to 9 feet. waves occasionally around 11 feet. 
.wednesday...southeast gales to 35 knots becoming west to
40 knots. rain. waves 6 to 9 feet building to 14 to 18 feet.
waves occasionally around 23 feet. 
.wednesday night...west gales to 40 knots. rain and snow showers
likely in the evening, then snow showers likely overnight. waves
14 to 19 feet. waves occasionally around 24 feet. 
.thursday...west gales to 40 knots diminishing to 30 knots. snow
showers likely. waves 15 to 20 feet subsiding to 12 to 16 feet.
waves occasionally around 26 feet. 
.thursday night...west winds to 30 knots becoming southwest and
diminishing to 10 to 15 knots overnight. a chance of snow showers
in the evening. waves 10 to 13 feet subsiding to 3 to 5 feet.
waves occasionally around 16 feet. 
.friday...south winds 15 to 25 knots. a chance of rain showers
friday night. waves 2 to 4 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.saturday...southwest winds to 30 knots becoming west and
increasing to 35 knot gales. a chance of rain showers. waves 4 to
7 feet building to 10 to 14 feet. waves occasionally around
18 feet. 
.sunday...west winds 15 to 20 knots becoming south 10 to
15 knots. a chance of rain showers sunday night. waves 5 to
8 feet subsiding to 1 to 3 feet. waves occasionally around
10 feet. 

$$
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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1230 am est wed nov 30 2022


slz022-024-301015-
saint lawrence river from cape vincent to saint regis
1230 am est wed nov 30 2022

...small craft advisory in effect from 10 am est this morning
through thursday morning...

.overnight...southeast winds 5 to 10 knots increasing to
15 to 20 knots. mostly cloudy. 
.wednesday...southeast winds 15 to 25 knots becoming southwest.
rain.
.wednesday night...southwest winds 15 to 25 knots. a chance of
rain showers in the evening. 
.thursday...southwest winds to 30 knots becoming west and
diminishing to 10 to 15 knots in the afternoon. snow showers
likely. 
.thursday night...west winds 5 to 10 knots becoming southwest.
partly cloudy. 
.friday...south winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain showers friday night. 
.saturday...south winds 15 to 25 knots becoming west. a chance of
rain showers. 
.sunday...west winds 5 to 15 knots becoming south. partly to
mostly cloudy. 

$$
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open lake forecast for lake erie
national weather service cleveland oh
1028 pm est tue nov 29 2022

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 deepens to 29.10 inches as it tracks northeastward 
across the upper great lakes tonight, lifting a warm front 
northward across lake erie. this will be followed by a strong cold
front moving eastward across the lake on wednesday morning. 
behind the front, high pressure of 30.40 inches builds from the 
upper midwest through friday. low pressure of 29.30 inches passes 
north of lake erie on saturday and drags a cold front eastward 
across the lake. high pressure of 30.50 inches builds eastward on 
sunday.


lez061-169-300915-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
1028 pm est tue nov 29 2022

...gale warning in effect from 10 am est wednesday through late
wednesday night...

.rest of tonight...south winds to 30 knots. a slight chance of
showers late this evening, then a chance of showers after
midnight. showers late. waves 3 to 5 feet building to 4 to
7 feet. waves occasionally around 9 feet. 
.wednesday...south winds to 30 knots becoming west and increasing
to 35 knot gales in the afternoon. rain showers in the morning,
then a chance of rain and snow showers early in the afternoon.
rain and snow showers likely late. waves 4 to 7 feet building to
11 to 16 feet. waves occasionally around 20 feet. 
.wednesday night...west gales to 35 knots diminishing to
30 knots. snow and rain showers likely in the evening, then a
chance of snow showers overnight. waves 10 to 15 feet. waves
occasionally around 19 feet. 
.thursday...west winds to 30 knots diminishing to 15 to 20 knots.
a chance of snow showers in the morning. waves 9 to 12 feet
subsiding to 4 to 6 feet. waves occasionally around 15 feet. 
.thursday night...west winds 10 to 15 knots becoming south 15 to
20 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.friday...south winds 15 to 25 knots. a chance of rain showers
friday night. waves 2 to 4 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.saturday...southwest winds to 30 knots becoming west and
diminishing to 15 to 20 knots. a chance of rain showers during
the day. waves 5 to 9 feet subsiding to 4 to 7 feet. waves
occasionally around 11 feet. 
.sunday...west winds 10 to 15 knots becoming south. a chance of
rain showers sunday night. waves 2 to 4 feet subsiding to 1 to
2 feet. 

$$
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