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open lake forecast for lake ontario
national weather service buffalo ny
410 am edt fri apr 3 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 29.6 inch low will move across the upper great lakes 
tonight to southern quebec today, pushing a weak cold front across 
the lake this afternoon. a 29.4 inch surface low will track through 
the central great lakes saturday, then into quebec saturday night 
and sunday, while dragging a strong cold front across the lake 
saturday night, with a secondary cold front then following sunday 
night and monday. a 30.5 inch high will then build across the great 
lakes tuesday and tuesday night, before sliding east and off the new 
england coast wednesday.


loz062-031500-
lake ontario open waters from the niagara river to hamlin beach-
410 am edt fri apr 3 2026

.today...south winds 15 to 25 knots becoming west. a chance of
showers early. waves 3 to 6 feet. 
.tonight...west winds 15 to 20 knots becoming north 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...east winds 10 to 15 knots increasing to 15 to
20 knots. rain showers likely in the morning, then rain showers
in the afternoon. waves 1 to 2 feet building to 3 to 5 feet. 
.saturday night...east winds 10 to 15 knots becoming southwest
15 to 20 knots. showers. waves 2 to 4 feet building to 3 to
5 feet. 
.sunday...west winds 15 to 25 knots. rain showers during the day.
waves 4 to 7 feet. waves occasionally around 9 feet. 
.monday...west winds 15 to 20 knots becoming northwest. a chance
of rain and snow showers monday night. waves 3 to 6 feet
subsiding to 1 to 3 feet. 
.tuesday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of snow showers during the day. waves 3 to
5 feet subsiding to 1 to 3 feet. 

$$

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glflo 
expires:202604031500;;752058

open lake forecast for lake ontario
national weather service buffalo ny
410 am edt fri apr 3 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 29.6 inch low will move across the upper great lakes 
tonight to southern quebec today, pushing a weak cold front across 
the lake this afternoon. a 29.4 inch surface low will track through 
the central great lakes saturday, then into quebec saturday night 
and sunday, while dragging a strong cold front across the lake 
saturday night, with a secondary cold front then following sunday 
night and monday. a 30.5 inch high will then build across the great 
lakes tuesday and tuesday night, before sliding east and off the new 
england coast wednesday.


loz063>065-031500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
410 am edt fri apr 3 2026

.today...south winds to 30 knots becoming southwest 15 to
25 knots. showers likely with a chance of thunderstorms early,
then showers likely late this morning. a chance of showers early
this afternoon. waves 5 to 8 feet subsiding to 3 to 6 feet. waves
occasionally around 10 feet. 
.tonight...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 5 to 15 knots becoming east 15 to
20 knots. a chance of rain showers in the morning, then rain
showers likely in the afternoon. waves 1 to 3 feet. 
.saturday night...southeast winds 15 to 20 knots becoming
southwest and increasing to 30 knots. showers. 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 building to 6 to 9 feet. waves occasionally
around 11 feet. 
.monday...west winds 15 to 25 knots becoming northwest 15 to
20 knots. a chance of snow showers monday night. waves 5 to
8 feet subsiding to 2 to 4 feet. waves occasionally around
10 feet. 
.tuesday...north winds 15 to 20 knots becoming northwest. a
chance of snow showers during the day. waves 3 to 5 feet
subsiding to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
400 am edt fri apr 3 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...
a warm front will settle back south of lake erie as a stationary 
front this evening. the front will lift north again on saturday 
ahead of low pressure deepening to 29.60 inches as it tracks 
through the upper great lakes. this low will extend a cold front 
east across lake erie saturday night, followed by weak high 
pressure 30.20 inches on monday. another trough with pressure of
30.00 will cross lake ere on tuesday. 


lez061-168-169-031415-
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-
400 am edt fri apr 3 2026

.today...south winds 15 to 20 knots becoming west 10 to 15 knots.
a chance of showers with a slight chance of thunderstorms early.
a slight chance of showers early this afternoon. waves 2 to
4 feet. 
.tonight...west winds 5 to 15 knots becoming northeast. a chance
of rain showers with a slight chance of thunderstorms late. waves
2 to 4 feet subsiding to 1 to 2 feet. 
.saturday...northeast winds 5 to 15 knots becoming southeast.
rain showers. waves 2 feet or less. 
.saturday night...southwest winds 10 to 15 knots becoming west
15 to 20 knots. rain showers with a chance of thunderstorms in
the evening, then rain showers overnight. waves 1 to 3 feet
building to 2 to 4 feet. 
.sunday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.monday...west winds 5 to 10 knots becoming northwest and
increasing to 15 to 20 knots. a chance of rain showers during the
day, then a chance of snow and rain showers monday night. waves
1 to 3 feet. 
.tuesday...northwest winds 15 to 20 knots becoming northeast and
diminishing to less than 10 knots. waves 2 to 4 feet subsiding to
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$