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open lake forecast for lake ontario
national weather service buffalo ny
630 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 29.2 inch low will move from north of lake superior
this morning to just east of james bay tonight while deepening to
28.9 inches. a strong cold front trailing this low will cross the
lake today. 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>065-301615-
lake ontario open waters from hamlin beach to the saint lawrence
river-
630 am est wed nov 30 2022

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

.today...south winds to 30 knots becoming west and increasing to 
40 knot gales this afternoon. rain. waves 7 to 10 feet building 
to 13 to 17 feet. waves occasionally around 22 feet. 
.tonight...west gales to 40 knots. lake effect rain and snow in
the evening, then lake effect snow after midnight. waves 14 to
19 feet. waves occasionally around 24 feet. 
.thursday...west gales to 40 knots diminishing to 30 knots. lake
effect snow in the morning, then snow showers likely in the
afternoon. waves 15 to 19 feet subsiding to 12 to 16 feet. waves
occasionally around 24 feet. 
.thursday night...west winds 15 to 25 knots becoming southwest
and diminishing to 10 to 15 knots. a chance of rain showers.
waves 9 to 12 feet subsiding to 2 to 4 feet. waves occasionally
around 15 feet. 
.friday...south winds 15 to 25 knots. rain showers likely 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. rain showers likely. waves 4 to
7 feet building to 10 to 13 feet. waves occasionally around
16 feet. 
.sunday...west winds 15 to 20 knots becoming south 10 to
15 knots. waves 6 to 9 feet subsiding to 1 to 3 feet. waves
occasionally around 11 feet. 

$$

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


slz022-024-301615-
saint lawrence river from cape vincent to saint regis
630 am est wed nov 30 2022

...small craft advisory in effect through thursday morning...

.today...southeast winds 15 to 25 knots becoming southwest. rain.
.tonight...southwest winds 15 to 25 knots. a chance of rain and
snow showers early, then a chance of snow showers late in the
evening. 
.thursday...west winds 15 to 25 knots. a chance of snow showers
in the morning. 
.thursday night...west winds 10 knots or less becoming southwest.
partly to mostly cloudy. 
.friday...south winds 10 to 15 knots increasing to 15 to
20 knots. rain showers likely friday night. 
.saturday...south winds 15 to 25 knots becoming west. rain
showers likely during the day, then rain showers likely with a
chance of snow showers saturday night. 
.sunday...west winds 5 to 15 knots becoming south. partly to
mostly cloudy. 

$$