fzus61 kbuf 240202
glflo 
expires:202510240900;;652535

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt thu oct 23 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 29.4 inch low will move slowly north into northern 
quebec through friday. a 30.4 inch high will then move from the 
upper mississippi valley friday to the great lakes saturday, then 
expand and build to 30.6 inches across new england and quebec by 
monday.


loz062-240900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt thu oct 23 2025

.rest of tonight...northwest winds 15 to 20 knots becoming west.
a chance of waterspouts. lake effect showers with a few rumbles
of thunder possible late this evening, then a chance of showers
after midnight. lake effect showers likely late. waves 2 to
4 feet. 
.friday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of waterspouts. a chance of showers. waves
2 to 4 feet. 
.friday night...northwest winds 10 to 15 knots. a chance of
waterspouts in the evening. a chance of showers. waves 1 to
3 feet. 
.saturday...northwest winds 5 to 10 knots. a chance of showers.
waves 1 foot or less. 
.saturday night...northwest winds 5 to 10 knots becoming north. a
chance of showers. waves 1 foot or less. 
.sunday...north winds 5 to 10 knots becoming east. a chance of
showers during the day. waves 2 feet or less. 
.monday...east winds 10 to 15 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...east winds 15 to 20 knots. waves 2 to 4 feet building
to 3 to 5 feet, then subsiding to 2 to 4 feet. 

$$

fzus61 kbuf 240202
glflo 
expires:202510240900;;652536

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt thu oct 23 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 29.4 inch low will move slowly north into northern 
quebec through friday. a 30.4 inch high will then move from the 
upper mississippi valley friday to the great lakes saturday, then 
expand and build to 30.6 inches across new england and quebec by 
monday.


loz063>065-240900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt thu oct 23 2025

.rest of tonight...west winds 15 to 20 knots. a chance of
waterspouts. lake effect showers with a few rumbles of thunder
possible. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.friday...west winds 15 to 20 knots. a chance of waterspouts.
lake effect showers with a few rumbles of thunder possible in the
morning, then a chance of showers in the afternoon. waves 2 to
4 feet. 
.friday night...northwest winds 5 to 15 knots. a chance of
waterspouts in the evening. a chance of showers in the evening,
then lake effect showers likely overnight. waves 1 to 3 feet. 
.saturday...northwest winds 5 to 10 knots. showers likely in the
morning, then a chance of showers in the afternoon. waves 2 feet
or less. 
.saturday night...northwest winds 5 to 10 knots becoming north. a
chance of showers. waves 1 foot or less. 
.sunday...northeast winds 5 to 10 knots. a chance of rain showers
during the day. waves 2 feet or less. 
.monday...northeast winds 10 to 15 knots becoming east. waves
1 to 3 feet. 
.tuesday...east winds 10 to 15 knots. waves 1 to 3 feet. 

$$

fzus61 kbuf 240202
glfsl 
expires:202510240900;;652534

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1002 pm edt thu oct 23 2025


slz022-024-240900-
saint lawrence river from cape vincent to saint regis
1002 pm edt thu oct 23 2025

.overnight...west winds 10 knots or less. a chance of rain
showers late. 
.friday...west winds 10 knots or less becoming northwest. a
chance of rain showers. 
.friday night...northwest winds less than 10 knots. mostly
cloudy. 
.saturday...light and variable winds. partly sunny. 
.saturday night...northwest winds less than 10 knots. a chance of
rain showers overnight. 
.sunday...north winds less than 10 knots. a chance of rain
showers during the day. 
.monday...northeast winds 10 knots or less. becoming mainly
clear. 
.tuesday...northeast winds 10 knots or less. partly cloudy. 

$$

fzus61 kcle 240245
glfle 
expires:202510240815;;654304

open lake forecast for lake erie
national weather service cleveland oh
1045 pm edt thu oct 23 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 30.40 inches builds in from the west over the lower
great lakes tonight through friday night, through the weekend 
before exiting on monday. a trough averaging 30.20 inches digs in
early next week.


lez061-169-240815-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
1045 pm edt thu oct 23 2025

.rest of tonight...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of waterspouts. a chance of showers.
waves 2 to 4 feet. 
.friday...northwest winds 15 to 20 knots. a chance of waterspouts
early. a chance of showers through early afternoon, then showers
likely late. waves 2 to 4 feet. 
.friday night...northwest winds 15 to 20 knots diminishing to
5 to 15 knots. showers. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.saturday...northwest winds 10 knots or less. showers likely in
the morning, then a chance of showers in the afternoon. waves
1 foot or less. 
.saturday night...northwest winds less than 10 knots becoming
northeast. a chance of showers. waves 1 foot or less. 
.sunday...northeast winds 5 to 15 knots becoming east. a chance
of showers during the day. waves 1 to 3 feet. 
.monday...east winds 10 to 15 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 3 to 5 feet, then subsiding to 2 to
4 feet. 
.tuesday...east winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers tuesday night. waves 1 to 3 feet
building to 2 to 4 feet. 

$$