fzus61 kbuf 300820
glflo 
expires:202604301515;;772843

open lake forecast for lake ontario
national weather service buffalo ny
420 am edt thu apr 30 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...an elongated 29.9 inch low will move quebec today while 
a 29.6 inch low develops and tracks northeast off the mid-atlantic 
and new england coastlines. this second low will then retrograde 
northward and then northwestward across the canadian maritimes and 
quebec respectively friday and saturday. a 29.5 inch low will then 
track from the southeastern states northeastward into the western 
atlantic saturday through sunday, while a 29.8 inch high ridges 
across the lower great lakes.


loz062-301515-
lake ontario open waters from the niagara river to hamlin beach-
420 am edt thu apr 30 2026

.today...northwest winds 10 to 15 knots becoming west. waves 1 to
3 feet. 
.tonight...west winds 5 to 15 knots becoming northwest. waves
1 to 2 feet. 
.friday...west winds 5 to 10 knots. waves 1 foot or less. 
.friday night...west winds 5 to 10 knots becoming northwest.
waves 1 foot or less. 
.saturday...west winds 5 to 10 knots becoming northwest. waves
1 to 2 feet. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of rain showers sunday night. waves 1 to
2 feet building to 3 to 5 feet. 
.monday...southwest winds 15 to 25 knots. a chance of showers.
waves 3 to 6 feet. 

$$

fzus61 kbuf 300820
glflo 
expires:202604301515;;772844

open lake forecast for lake ontario
national weather service buffalo ny
420 am edt thu apr 30 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...an elongated 29.9 inch low will move quebec today while 
a 29.6 inch low develops and tracks northeast off the mid-atlantic 
and new england coastlines. this second low will then retrograde 
northward and then northwestward across the canadian maritimes and 
quebec respectively friday and saturday. a 29.5 inch low will then 
track from the southeastern states northeastward into the western 
atlantic saturday through sunday, while a 29.8 inch high ridges 
across the lower great lakes.


loz063>065-301515-
lake ontario open waters from hamlin beach to the saint lawrence
river-
420 am edt thu apr 30 2026

.today...west winds 10 to 15 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.friday night...west winds 5 to 10 knots. waves 1 to 2 feet. 
.saturday...west winds 5 to 15 knots. waves 1 to 2 feet. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of rain showers sunday night. waves 1 to
3 feet building to 2 to 4 feet. 
.monday...south winds 15 to 20 knots becoming southwest. showers
likely. waves 2 to 4 feet building to 3 to 5 feet. 

$$

fzus61 kcle 300735
glfle 
expires:202604301415;;771045

open lake forecast for lake erie
national weather service cleveland oh
335 am edt thu apr 30 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 trough averaging 30.00 inches will linger over the lake through
the end of the week. high pressure 30.10 inches will build into 
the region on saturday with low pressure 29.80 inches moving 
through the region on monday.


lez061-167>169-301415-
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-
335 am edt thu apr 30 2026

.today...northwest winds 10 to 15 knots becoming west. a slight
chance of showers early. waves 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming northwest less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.friday...northwest winds 10 knots or less becoming west. waves
1 foot or less. 
.friday night...west winds 5 to 10 knots becoming northwest.
waves around 1 foot. 
.saturday...northwest winds 5 to 10 knots. waves 2 feet or less. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of rain showers sunday night. waves 1 to
3 feet building to 2 to 4 feet. 
.monday...southwest winds 15 to 20 knots. a chance of showers.
waves 2 to 4 feet. 

$$