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open lake forecast for lake ontario
national weather service buffalo ny
402 am est wed nov 19 2025

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 30.3 inch high centered over the central great lakes 
will build over the lower great lakes wednesday, then into new 
england thursday. a 29.5 inch surface low along the southern 
shoreline of hudson bay will swing a cold front east across the 
lower great lakes friday, followed by a 30.1 inch high building over 
the ohio valley and lower great lakes saturday. a 29.5 inch low will 
then move across northern ontario into lower hudson bay on sunday, 
while sending an attendant warm front across the lake saturday night.


loz062-191600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est wed nov 19 2025

.today...northeast winds 5 to 10 knots becoming light and
variable. waves 1 foot or less. 
.tonight...light and variable winds. waves 1 foot or less. 
.thursday...southeast winds less than 10 knots. waves 1 foot or
less. 
.thursday night...south winds 10 knots or less becoming southwest
10 to 15 knots. a chance of showers overnight. waves 2 feet or
less. 
.friday...southwest winds 15 to 20 knots becoming northwest 5 to
15 knots. a chance of showers during the day. waves 1 to 3 feet. 
.saturday...north winds 5 to 10 knots becoming southwest. waves
1 to 2 feet. 
.sunday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 

$$

fzus61 kbuf 190902
glflo 
expires:202511191600;;127096

open lake forecast for lake ontario
national weather service buffalo ny
402 am est wed nov 19 2025

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 30.3 inch high centered over the central great lakes 
will build over the lower great lakes wednesday, then into new 
england thursday. a 29.5 inch surface low along the southern 
shoreline of hudson bay will swing a cold front east across the 
lower great lakes friday, followed by a 30.1 inch high building over 
the ohio valley and lower great lakes saturday. a 29.5 inch low will 
then move across northern ontario into lower hudson bay on sunday, 
while sending an attendant warm front across the lake saturday night.


loz063-191600-
lake ontario open waters from hamlin beach to sodus bay-
402 am est wed nov 19 2025

.today...north winds 10 knots or less becoming northwest. waves
1 foot or less. 
.tonight...light and variable winds. waves 1 foot or less. 
.thursday...south winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.thursday night...southeast winds 5 to 15 knots becoming
southwest. a chance of showers overnight. waves 1 to 3 feet. 
.friday...southwest winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of showers during the day. waves 2 to 4 feet. 
.saturday...north winds 5 to 10 knots becoming south. waves 1 to
2 feet. 
.sunday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 

$$

fzus61 kbuf 190902
glflo 
expires:202511191600;;127097

open lake forecast for lake ontario
national weather service buffalo ny
402 am est wed nov 19 2025

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 30.3 inch high centered over the central great lakes 
will build over the lower great lakes wednesday, then into new 
england thursday. a 29.5 inch surface low along the southern 
shoreline of hudson bay will swing a cold front east across the 
lower great lakes friday, followed by a 30.1 inch high building over 
the ohio valley and lower great lakes saturday. a 29.5 inch low will 
then move across northern ontario into lower hudson bay on sunday, 
while sending an attendant warm front across the lake saturday night.


loz064-065-191600-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 am est wed nov 19 2025

.today...north winds 10 knots or less becoming northwest. waves
1 foot or less. 
.tonight...light and variable winds. waves 1 foot or less. 
.thursday...south winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.thursday night...southeast winds 5 to 15 knots becoming south
15 to 20 knots. a chance of rain showers overnight. waves 1 to
3 feet. 
.friday...southwest winds 15 to 20 knots becoming northwest 10 to
15 knots. rain showers likely during the day, then a chance of
rain showers friday night. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.saturday...north winds 5 to 10 knots becoming south. waves
2 feet or less. 
.sunday...south winds 5 to 15 knots becoming west. a chance of
rain showers sunday night. waves 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
304 am est wed nov 19 2025

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 30.10 inches will persist over the region today
before drifting east tonight. a cold front will move east across 
lake erie friday with high pressure 30.00 inches building over the
great lakes late friday into the weekend.


lez061-168-169-191530-
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-
304 am est wed nov 19 2025

.today...northeast winds 10 knots or less. waves 1 foot or less. 
.tonight...northeast winds less than 10 knots. waves 1 foot or
less. 
.thursday...south winds less than 10 knots. waves 1 foot or less.
.thursday night...south winds 10 knots or less becoming southwest
10 to 15 knots. a chance of rain overnight. waves 2 feet or less.
.friday...southwest winds 5 to 15 knots becoming north. a chance
of rain during the day. waves 1 to 3 feet. 
.saturday...northeast winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.sunday...southwest winds 5 to 15 knots becoming west. waves 1 to
3 feet. 

$$