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open lake forecast for lake ontario
national weather service buffalo ny
1026 am edt thu apr 15 2021

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 29.6 inch low developing near the delmarva 
peninsula today will move slowly north to off the southeast new 
england coast by tonight and friday while deepening to 29.4 
inches. this low will then drift to the gulf of maine friday 
night and saturday before exiting into the canadian maritimes. 
weak high pressure will cross the lake sunday and monday.


loz062-152100-
lake ontario open waters from the niagara river to hamlin beach-
1026 am edt thu apr 15 2021

.rest of today...west winds 5 to 15 knots increasing to 15 to
20 knots. showers likely late this morning, then a chance of
showers this afternoon. waves 1 to 3 feet building to 2 to
4 feet. 
.tonight...west winds 15 to 20 knots. rain showers from late
evening on. waves 1 to 3 feet building to 2 to 4 feet. 
.friday...west winds 15 to 20 knots diminishing to 5 to 15 knots.
patchy fog in the morning. rain showers likely. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.friday night...north winds less than 10 knots becoming
northwest. a chance of showers in the evening. waves 1 foot or
less. 
.saturday...northwest winds 10 knots or less becoming west. waves
1 foot or less. 
.sunday...west winds 5 to 10 knots. waves 2 feet or less. 
.monday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet. 

$$

fzus61 kbuf 151426
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open lake forecast for lake ontario
national weather service buffalo ny
1026 am edt thu apr 15 2021

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 29.6 inch low developing near the delmarva 
peninsula today will move slowly north to off the southeast new 
england coast by tonight and friday while deepening to 29.4 
inches. this low will then drift to the gulf of maine friday 
night and saturday before exiting into the canadian maritimes. 
weak high pressure will cross the lake sunday and monday.


loz063>065-152100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1026 am edt thu apr 15 2021

.rest of today...west winds 10 to 15 knots increasing to 15 to
20 knots. rain, then a chance of rain showers late. waves 1 to
3 feet building to 2 to 4 feet. 
.tonight...west winds 15 to 20 knots. a chance of rain showers
through the early overnight, then rain showers likely late. waves
2 to 4 feet. 
.friday...southwest winds 15 to 20 knots becoming northwest 5 to
15 knots. patchy fog in the morning. rain showers likely. waves
3 to 5 feet subsiding to 1 to 3 feet. 
.friday night...northwest winds 5 to 10 knots. a chance of rain
showers in the evening. waves 2 feet or less. 
.saturday...northwest winds 5 to 10 knots becoming southwest.
waves 1 foot or less. 
.sunday...southwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.monday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1026 am edt thu apr 15 2021


slz022-024-152100-
saint lawrence river from cape vincent to saint regis
1026 am edt thu apr 15 2021

.rest of today...north winds 10 knots or less becoming west.
showers likely late this morning, then rain this afternoon. 
.tonight...southwest winds 10 knots or less becoming southeast.
patchy fog through the early overnight. rain showers. 
.friday...southeast winds 5 to 10 knots becoming northeast.
patchy fog in the morning. rain showers. 
.friday night...northeast winds 10 knots or less. a chance of
rain showers. 
.saturday...northeast winds less than 10 knots. mostly cloudy. 
.sunday...southwest winds 10 knots or less. mostly cloudy. 
.monday...southwest winds 5 to 15 knots. partly to mostly cloudy.

$$

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open lake forecast for lake erie
national weather service cleveland oh
954 am edt thu apr 15 2021

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 29.73 inches will slowly shift east to off the new 
england coast by friday. a trough averaging 29.80 inches will move
south near the lake later tonight before stalling and weakening 
through friday. a weak ridge averaging 30.00 inches will build 
across the area friday through sunday.


lez061-168-169-152015-
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-
954 am edt thu apr 15 2021

.rest of today...west winds 10 to 15 knots increasing to 15 to
20 knots. a chance of sprinkles, then a chance of rain showers
late. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...west winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of rain showers. waves 2 to 4 feet. 
.friday...northwest winds 15 to 20 knots becoming west. a chance
of rain showers. waves 2 to 4 feet. 
.friday night...west winds 15 to 20 knots becoming northwest 5 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 2 feet. 
.saturday...northwest winds less than 10 knots becoming west.
waves 1 foot or less. 
.sunday...west winds 5 to 10 knots. waves 1 foot or less. 
.monday...southwest winds 5 to 15 knots. waves 1 to 3 feet. 

$$