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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt tue apr 28 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 29.4 inch low over the upper great lakes this morning 
will track into ontario today, while pushing a warm front across the 
lake. the low will then continue northeast to james bay tonight 
sending a cold front across the lake. an inverted trough averaging 
29.7 inches is expected across the lower great lakes wednesday 
through wednesday night. the trough/low will track to the canadian 
maritimes, while also elongating south along the coast of new 
england thursday through friday. the remnants of the sfc low will 
then retrograde northwest to near james bay as a 29.5 inch low 
tracks across the se u.s. and out to sea from the delmarva on 
saturday.


loz062-281500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt tue apr 28 2026

.today...southeast winds 15 to 20 knots becoming south. showers
through early afternoon, then a chance of showers late. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...south winds 15 to 20 knots becoming northwest and
diminishing to 10 knots or less after midnight. a chance of
showers in the evening. waves 1 to 3 feet subsiding to 1 foot or
less. 
.wednesday...north winds 5 to 15 knots. a chance of showers in
the morning, then showers in the afternoon. waves 2 feet or less.
.wednesday night...northwest winds 10 to 15 knots becoming west
15 to 20 knots. rain showers. waves 1 to 3 feet building to 2 to
4 feet. 
.thursday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.friday...west winds 10 to 15 knots. waves 2 to 3 feet. 
.saturday...west winds 10 to 15 knots. waves 1 to 2 feet. 

$$

fzus61 kbuf 280802
glflo 
expires:202604281500;;659347

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt tue apr 28 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 29.4 inch low over the upper great lakes this morning 
will track into ontario today, while pushing a warm front across the 
lake. the low will then continue northeast to james bay tonight 
sending a cold front across the lake. an inverted trough averaging 
29.7 inches is expected across the lower great lakes wednesday 
through wednesday night. the trough/low will track to the canadian 
maritimes, while also elongating south along the coast of new 
england thursday through friday. the remnants of the sfc low will 
then retrograde northwest to near james bay as a 29.5 inch low 
tracks across the se u.s. and out to sea from the delmarva on 
saturday.


loz063>065-281500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt tue apr 28 2026

.today...southeast winds 15 to 20 knots. a chance of showers late
this morning. showers this afternoon. waves 3 to 5 feet subsiding
to 2 to 4 feet. 
.tonight...south winds 15 to 25 knots becoming southwest and
diminishing to 10 to 15 knots. showers likely early, then a
chance of showers. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.wednesday...south winds 5 to 10 knots becoming north. a chance
of showers in the morning, then showers in the afternoon. waves
2 feet or less. 
.wednesday night...north winds 10 to 15 knots becoming west 15 to
20 knots. showers. waves 1 to 3 feet building to 3 to 5 feet. 
.thursday...west winds 15 to 20 knots. a chance of rain showers
during the day. waves 3 to 6 feet. 
.friday...west winds 10 to 15 knots increasing to 15 to 20 knots.
waves 2 to 4 feet. 
.saturday...west winds 10 to 15 knots. waves 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
339 am edt tue apr 28 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 cold front comes through today followed by a trough averaging
29.80 inches tonight into wednesday as low pressure passes south
of lake erie. as this surface low exits to the northeast, a trough
now averaging 30.00 inches will persist for the end of the week
and into the weekend.




lez061-168-169-281415-
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-
339 am edt tue apr 28 2026

.today...south winds 15 to 25 knots becoming southwest and
diminishing to 10 to 15 knots. showers likely with a slight
chance of thunderstorms this morning, then a chance of showers
this afternoon. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots becoming northwest less
than 10 knots. waves 1 to 3 feet. 
.wednesday...northeast winds 10 knots or less becoming north
10 to 15 knots. showers. waves 1 to 3 feet. 
.wednesday night...north winds 10 to 15 knots becoming northwest.
rain showers in the evening, then a chance of rain showers
overnight. waves 1 to 3 feet. 
.thursday...northwest winds 5 to 15 knots. waves 1 to 3 feet. 
.friday...northwest winds 5 to 10 knots. waves 1 to 2 feet. 
.saturday...northwest winds 5 to 15 knots becoming west. waves
1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$