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open lake forecast for lake ontario
national weather service buffalo ny
401 pm edt thu may 1 2025

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 track just north of the lake 
tonight and into central quebec on friday with its corresponding 
cold front crossing the lake early friday. this front will stall 
along the eastern seaboard through the weekend and into monday with 
several weak waves upon it. to the north a 30.4 inch area of surface 
high pressure will slowly ease its way from the upper great lakes to 
quebec.


loz062-020300-
lake ontario open waters from the niagara river to hamlin beach-
401 pm edt thu may 1 2025

.tonight...east winds 15 to 20 knots becoming southwest. showers
and thunderstorms this evening, then a chance of showers after
midnight. some thunderstorms may produce gusty winds this
evening. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 2 to 4 feet. 
.friday night...west winds 5 to 15 knots becoming north. waves
1 to 3 feet. 
.saturday...north winds 5 to 10 knots becoming east. a chance of
showers. waves 1 foot or less. 
.saturday night...east winds 5 to 10 knots becoming northeast. a
chance of showers in the evening. waves around 1 foot. 
.sunday...northeast winds 10 to 15 knots increasing to 15 to
25 knots. a chance of showers. waves 1 to 2 feet building to 2 to
4 feet. 
.monday...east winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely during the day, then showers likely with
a chance of thunderstorms monday night. waves 3 to 5 feet
subsiding to 2 to 3 feet. 
.tuesday...southeast winds 10 to 15 knots becoming south. showers
likely during the day, then a chance of showers tuesday night.
waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 012001
glflo 
expires:202505020300;;788373

open lake forecast for lake ontario
national weather service buffalo ny
401 pm edt thu may 1 2025

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 track just north of the lake 
tonight and into central quebec on friday with its corresponding 
cold front crossing the lake early friday. this front will stall 
along the eastern seaboard through the weekend and into monday with 
several weak waves upon it. to the north a 30.4 inch area of surface 
high pressure will slowly ease its way from the upper great lakes to 
quebec.


loz063>065-020300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
401 pm edt thu may 1 2025

.tonight...east winds 15 to 20 knots becoming south. showers and
thunderstorms this evening, then showers likely after midnight.
some thunderstorms may produce gusty winds this evening. waves
2 to 4 feet. 
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers early. a chance of showers late.
waves 2 to 4 feet. 
.friday night...west winds 5 to 15 knots becoming northwest. a
chance of showers overnight. waves 1 to 3 feet. 
.saturday...north winds 5 to 10 knots becoming northeast. a
chance of showers. waves 2 feet or less. 
.saturday night...north winds 5 to 10 knots becoming northeast. a
chance of showers. waves 1 foot or less. 
.sunday...northeast winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers. waves 1 to 3 feet. 
.monday...northeast winds 15 to 20 knots becoming southeast. a
chance of showers during the day, then showers likely monday
night. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...southeast winds 10 to 15 knots becoming south. showers
likely. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
353 pm edt thu may 1 2025

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 29.60 inches moves northeastward across the central 
great lakes tonight. a cold front will track southeast across
lake erie on friday. low pressure 29.90 inches lingers across the
ohio valley through the weekend and into monday.



lez061-168-169-020215-
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-
353 pm edt thu may 1 2025

.tonight...southeast winds 10 to 15 knots becoming southwest
15 to 20 knots. showers with a chance of thunderstorms this
evening, then a slight chance of showers and thunderstorms after
midnight. waves 1 to 3 feet building to 2 to 4 feet. 
.friday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a slight chance of showers through early afternoon,
then a chance of showers late. waves 2 to 4 feet. 
.friday night...southwest winds 5 to 15 knots becoming northeast.
a chance of showers overnight. waves 1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots. showers likely in the
morning, then a chance of showers in the afternoon. waves 1 to
2 feet. 
.saturday night...northeast winds 5 to 15 knots. a chance of
showers. waves 1 to 3 feet. 
.sunday...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely during the day, then a chance of showers
sunday night. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...northeast winds 5 to 15 knots becoming south. showers
likely with a chance of thunderstorms during the day, then a
chance of showers monday night. waves 1 to 3 feet. 
.tuesday...southwest winds 5 to 10 knots. a chance of showers
during the day. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$