fzus61 kbuf 310203
glflo 
expires:202605310900;;924631

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt sat may 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...a 30.2 inch high will remain in control over the entire 
great lakes region through sunday. a 29.8 inch low will push south 
across southern quebec and new england sunday night, then off the 
new england coast on monday, while sending an attendant cold front 
across the lake sunday night. 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.


loz062-310900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt sat may 30 2026

.overnight...west winds 5 to 10 knots. waves 1 foot or
less. 
.sunday...west winds 5 to 15 knots becoming southwest. waves 1 to
2 feet. 
.sunday night...west winds 5 to 15 knots becoming northwest less
than 10 knots. waves 2 feet or less. 
.monday...north winds less than 10 knots becoming east. waves
1 foot or less. 
.monday night...east winds less than 10 knots. waves 1 foot or
less. 
.tuesday...northwest winds 10 knots or less. waves 1 foot or
less. 
.wednesday...northwest winds less than 10 knots becoming west.
waves 1 foot or less. 
.thursday...west winds 5 to 15 knots becoming southwest. waves
1 to 3 feet. 

$$

fzus61 kbuf 310203
glflo 
expires:202605310900;;924632

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt sat may 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...a 30.2 inch high will remain in control over the entire 
great lakes region through sunday. a 29.8 inch low will push south 
across southern quebec and new england sunday night, then off the 
new england coast on monday, while sending an attendant cold front 
across the lake sunday night. 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>065-310900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt sat may 30 2026

.overnight...west winds 5 to 10 knots. waves 1 to 2 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet. 
.sunday night...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...north winds 5 to 10 knots becoming northwest. waves
1 foot or less. 
.monday night...northwest winds 10 knots or less. waves 1 foot or
less. 
.tuesday...northwest winds 10 knots or less becoming west. waves
1 foot or less. 
.wednesday...west winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots. waves 2 feet or less. 

$$

fzus61 kcle 310749
glfle 
expires:202605311415;;938466

open lake forecast for lake erie
national weather service cleveland oh
349 am 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 30.20 inches will persist across the region through
the week.


lez061-167>169-311415-
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-
349 am edt sun may 31 2026

.today...west winds 10 knots or less becoming northwest 10 to
15 knots. waves 2 feet or less. 
.tonight...southwest winds 5 to 15 knots becoming northwest less
than 10 knots. waves 2 feet or less. 
.monday...north winds 10 knots or less becoming northeast. waves
1 foot or less. 
.monday night...northeast winds 5 to 10 knots. waves 1 foot or
less. 
.tuesday...northeast winds 10 knots or less becoming north. waves
1 foot or less. 
.wednesday...north winds less than 10 knots becoming southwest.
waves 1 foot or less. 
.thursday...southwest winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less. 

$$