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open lake forecast for lake ontario
national weather service buffalo ny
652 am edt mon apr 12 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 weak trough averaging 29.7 inches will remain in
place over the great lakes today before dissipating by tuesday
morning. a weak 30.1 inch high will then build into the eastern 
great lakes tuesday and wednesday. a 29.6 inch low is then
forecast to develop near the delmarva wednesday night, moving
slowly north to off the southern new england coast by thursday
night while deepening to 29.4 inches. this low will then drift
slowly eastward into the north atlantic through friday.


loz062-121530-
lake ontario open waters from the niagara river to hamlin beach-
652 am edt mon apr 12 2021

.today...east winds 15 to 20 knots. areas of fog. scattered
showers early, then rain from late morning on. waves 3 to 5 feet.
.tonight...east winds 15 to 20 knots diminishing to 10 to
15 knots. areas of fog. rain in the evening, then patchy drizzle 
after midnight. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.tuesday...east winds 10 to 15 knots diminishing to less than 10 
knots. areas of fog and patchy drizzle in the morning. waves 1 to
3 feet. 
.tuesday night...light and variable winds. waves 1 foot or less. 
.wednesday...west winds 10 knots or less becoming northwest.
showers likely wednesday night. waves 1 foot or less. 
.thursday...northwest winds around 10 knots becoming north.
showers likely during the day, then a chance of showers thursday
night. waves 1 to 2 feet. 
.friday...north winds 5 to 10 knots becoming northwest. a chance
of showers during the day. waves 1 foot or less. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
652 am edt mon apr 12 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 weak trough averaging 29.7 inches will remain in
place over the great lakes today before dissipating by tuesday
morning. a weak 30.1 inch high will then build into the eastern 
great lakes tuesday and wednesday. a 29.6 inch low is then
forecast to develop near the delmarva wednesday night, moving
slowly north to off the southern new england coast by thursday
night while deepening to 29.4 inches. this low will then drift
slowly eastward into the north atlantic through friday.


loz063>065-121530-
lake ontario open waters from hamlin beach to the saint lawrence
river-
652 am edt mon apr 12 2021

.today...east winds 15 to 20 knots. patchy fog early. rain. waves
3 to 5 feet subsiding to 2 to 4 feet. 
.tonight...east winds 10 to 15 knots. rain in the evening, then
patchy drizzle after midnight. waves 2 to 4 feet subsiding to 1 
to 3 feet. 
.tuesday...east winds 10 to 15 knots becoming northeast less than
10 knots. patchy drizzle in the morning. waves 2 feet or less. 
.tuesday night...northwest winds less than 10 knots becoming
southwest. waves 1 foot or less. 
.wednesday...southwest winds 10 knots or less becoming northwest.
showers likely wednesday night. waves 1 foot or less. 
.thursday...north winds 5 to 10 knots. showers likely. waves
1 foot or less. 
.friday...north winds 5 to 10 knots becoming northwest. a chance
of showers during the day. waves 1 foot or less. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
335 am edt mon apr 12 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...
broad low pressure of 29.50 inches will remain across the central
great lakes today then become focused across the upper great lakes
on tuesday. this low will slowly move southeast across the region
through wednesday night, pulling a cold front south across lake
erie. a ridge averaging 30.00 inches will build across the area 
for the end of the week.


lez061-168-169-121430-
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-
335 am edt mon apr 12 2021

.today...southeast winds 10 knots or less becoming west. a chance
of showers. waves 1 foot or less. 
.tonight...southwest winds 10 knots or less becoming south. a
slight chance of showers. waves 1 foot or less. 
.tuesday...southwest winds 10 knots or less. waves 1 foot or
less. 
.tuesday night...south winds less than 10 knots. waves 1 foot or
less. 
.wednesday...southwest winds 10 knots or less becoming west. a
chance of showers wednesday night. waves 1 foot or less. 
.thursday...northwest winds 5 to 15 knots. a chance of showers.
waves 1 to 3 feet. 
.friday...northwest winds 5 to 15 knots becoming west. waves 1 to
3 feet subsiding to 1 foot or less. 

$$