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open lake forecast for lake ontario
national weather service buffalo ny
408 pm edt wed apr 1 2026

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 30.7 inch high will build east across quebec tonight 
through thursday. a 29.6 inch low is then forecast to move into the 
central great lakes thursday night before reaching southern quebec 
friday afternoon, lifting the frontal boundary to the south back 
northward over the lake thursday evening. a 29.4 inch surface low 
will track through the central great lakes saturday, then into 
quebec saturday night and sunday, while dragging a cold front across 
the lake saturday night.


loz062-020300-
lake ontario open waters from the niagara river to hamlin beach-
408 pm edt wed apr 1 2026

.tonight...northeast winds 5 to 15 knots becoming east 15 to
20 knots. waves 2 feet or less building to 3 to 5 feet. 
.thursday...east winds 15 to 25 knots. a chance of rain showers
in the morning, then rain showers likely in the afternoon. waves
4 to 7 feet. waves occasionally around 9 feet. 
.thursday night...east winds 15 to 20 knots becoming south. rain
showers. waves 4 to 7 feet subsiding to 2 to 4 feet. waves
occasionally around 9 feet. 
.friday...southwest winds 15 to 25 knots. showers in the morning,
then a chance of showers in the afternoon. waves 2 to 4 feet
building to 3 to 6 feet. 
.friday night...west winds 15 to 20 knots becoming northeast 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...east winds 10 to 15 knots becoming southwest 15 to
20 knots. rain showers likely during the day, then rain showers
saturday night. waves 1 to 3 feet building to 3 to 6 feet. 
.sunday...west winds 20 to 25 knots. rain showers during the day.
waves 5 to 8 feet. waves occasionally around 10 feet. 
.monday...west winds 15 to 25 knots becoming north 15 to
20 knots. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet. 

$$

fzus61 kbuf 012008
glflo 
expires:202604020300;;665340

open lake forecast for lake ontario
national weather service buffalo ny
408 pm edt wed apr 1 2026

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 30.7 inch high will build east across quebec tonight 
through thursday. a 29.6 inch low is then forecast to move into the 
central great lakes thursday night before reaching southern quebec 
friday afternoon, lifting the frontal boundary to the south back 
northward over the lake thursday evening. a 29.4 inch surface low 
will track through the central great lakes saturday, then into 
quebec saturday night and sunday, while dragging a cold front across 
the lake saturday night.


loz063>065-020300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
408 pm edt wed apr 1 2026

.tonight...northeast winds 5 to 15 knots increasing to 15 to
20 knots. a chance of rain showers late. waves 2 feet or less
building to 3 to 5 feet. 
.thursday...northeast winds 15 to 20 knots becoming east. a
chance of rain showers through early afternoon, then rain showers
likely late. waves 3 to 6 feet. 
.thursday night...east winds 15 to 25 knots becoming south to
30 knots. showers likely. waves 3 to 5 feet building to 4 to
7 feet. waves occasionally around 9 feet. 
.friday...south winds 15 to 25 knots becoming southwest. showers
likely in the morning, then a chance of showers in the afternoon.
waves 4 to 7 feet subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.friday night...west winds 15 to 20 knots becoming north 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...northeast winds 10 to 15 knots becoming southwest and
increasing to 30 knots. rain showers. waves 1 to 2 feet building
to 4 to 7 feet. waves occasionally around 9 feet. 
.sunday...west winds to 30 knots. rain showers during the day.
waves 5 to 9 feet building to 7 to 10 feet. waves occasionally
around 13 feet. 
.monday...west winds 15 to 25 knots becoming north. waves 6 to
9 feet subsiding to 2 to 4 feet. waves occasionally around
11 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
340 pm edt wed apr 1 2026

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 29.50 inches will enter the great lakes on thursday, 
first lifting a warm front north through the area, then a cold front 
east across the lake on friday. this front will lift back north as a 
warm front on friday night, followed by another low pressure system 
29.60 inches on saturday into sunday.  moves through the region this 
weekend. weak high pressure 30.20 inches will build across the area 
on monday. 


lez061-167>169-020215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 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-
340 pm edt wed apr 1 2026

.tonight...northeast winds 15 to 25 knots. rain showers likely
early, then a chance of rain showers from late evening on. waves
3 to 6 feet building to 4 to 7 feet. waves occasionally around
9 feet. 
.thursday...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of rain showers early, then a chance of rain
showers with a slight chance of thunderstorms. a slight chance of
rain showers and thunderstorms late. waves 4 to 7 feet subsiding
to 2 to 4 feet. waves occasionally around 9 feet. 
.thursday night...east winds 5 to 15 knots becoming south 15 to
20 knots. a chance of showers in the evening, then showers likely
overnight. waves 1 to 3 feet building to 3 to 5 feet. 
.friday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely in the morning, then a chance of showers
in the afternoon. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.friday night...southwest winds 5 to 15 knots becoming east. a
chance of rain showers in the evening, then rain showers likely
with a chance of thunderstorms overnight. waves 1 to 3 feet. 
.saturday...east winds 10 to 15 knots becoming southwest 15 to
20 knots. rain showers likely with a chance of thunderstorms
during the day, then rain showers saturday night. waves 1 to
2 feet building to 3 to 6 feet. 
.sunday...west winds 15 to 25 knots becoming northwest. waves
4 to 7 feet subsiding to 2 to 4 feet. waves occasionally around
9 feet. 
.monday...west winds 5 to 15 knots becoming north. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$