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glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun may 31 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 30.2 inch high will move southward across lake 
erie through tonight. this will allow a back door cold front to clip 
the eastern lake waters through evening, this from a 29.8 inch area 
of low pressure that will push south across southern quebec and new 
england through tonight. this low will then push off the new england 
coastline on monday. another 30.4 inch high centered over hudson bay 
monday night will then build south across the entire great lakes 
region tuesday and wednesday, then into the ohio valley and lower 
great lakes by thursday.


loz062-010300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sun may 31 2026

.tonight...west winds 5 to 15 knots becoming north less than
10 knots. waves 1 to 2 feet. 
.monday...north winds 10 knots or less becoming southeast. waves
1 foot or less. 
.monday night...east winds less than 10 knots. waves 1 foot or
less. 
.tuesday...west winds 10 knots or less. waves 1 foot or less. 
.tuesday night...west winds 5 to 10 knots becoming northwest.
waves 2 feet or less. 
.wednesday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.thursday...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.friday...southwest winds 10 to 15 knots. a chance of showers
friday night. waves 1 to 3 feet. 

$$
fzus61 kbuf 312003
glflo 
expires:202606010300;;965877

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun may 31 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 30.2 inch high will move southward across lake 
erie through tonight. this will allow a back door cold front to clip 
the eastern lake waters through evening, this from a 29.8 inch area 
of low pressure that will push south across southern quebec and new 
england through tonight. this low will then push off the new england 
coastline on monday. another 30.4 inch high centered over hudson bay 
monday night will then build south across the entire great lakes 
region tuesday and wednesday, then into the ohio valley and lower 
great lakes by thursday.


loz063>065-010300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sun may 31 2026

.tonight...west winds 15 to 20 knots becoming north 5 to
15 knots. showers likely early, then a chance of showers late
this evening. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.monday...north winds 5 to 10 knots. waves 1 foot or less. 
.monday night...north winds 10 knots or less becoming west. waves
1 foot or less. 
.tuesday...west winds 10 knots or less. waves 1 foot or less. 
.tuesday night...west winds 5 to 10 knots. waves 1 foot or less. 
.wednesday...west winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.thursday...west winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.friday...southwest winds 5 to 15 knots becoming west. a chance
of showers friday night. waves 2 feet or less. 

$$
fzus61 kcle 311938
glfle 
expires:202606010215;;965129

open lake forecast for lake erie
national weather service cleveland oh
338 pm edt sun may 31 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...
high pressure averaging 30.20 inches will persist across the 
great lakes through the week.


lez061-167>169-010215-
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-
338 pm edt sun may 31 2026

.tonight...west winds 10 knots or less becoming north. waves
2 feet or less. 
.monday...northeast winds 5 to 15 knots. waves 2 feet or less. 
.monday night...northeast winds 5 to 15 knots. waves 2 feet or
less. 
.tuesday...northeast winds 5 to 10 knots becoming north. waves
1 foot or less. 
.tuesday night...northwest winds 10 knots or less becoming north.
waves 1 foot or less. 
.wednesday...northwest winds less than 10 knots becoming
southwest. waves 1 foot or less. 
.thursday...southwest winds 5 to 15 knots. waves 2 feet or less. 
.friday...southwest winds 10 to 15 knots. a chance of showers
friday night. waves 1 to 3 feet. 

$$
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