fzus61 kbuf 202003
glflo 
expires:202610210300;;901972

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue oct 20 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 30.4 inch high over quebec tonight will drift east 
across the canadian maritimes wednesday. a weak cold front will then 
move south across the lake thursday. a 30.3 inch high will then 
build from the upper great lakes thursday to the lower great lakes 
friday, then settle over new england saturday through sunday while 
strengthening to 30.6 inches.


loz062-210300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt tue oct 20 2026

.tonight...northeast winds 5 to 15 knots becoming east. waves
1 to 3 feet. 
.wednesday...east winds 10 knots or less becoming northeast.
waves 1 to 2 feet. 
.wednesday night...light and variable winds becoming northwest
5 to 10 knots. waves 1 foot or less. 
.thursday...northwest winds 5 to 10 knots becoming north. waves
1 foot or less. 
.thursday night...north winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet. 
.friday...northeast winds 10 knots or less becoming southeast.
waves 1 to 3 feet subsiding to 1 foot or less. 
.saturday...southeast winds 10 knots or less becoming south.
waves 1 foot or less. 
.sunday...southwest winds 5 to 15 knots. waves 2 feet or less. 

$$

fzus61 kbuf 202003
glflo 
expires:202610210300;;901973

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue oct 20 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 30.4 inch high over quebec tonight will drift east 
across the canadian maritimes wednesday. a weak cold front will then 
move south across the lake thursday. a 30.3 inch high will then 
build from the upper great lakes thursday to the lower great lakes 
friday, then settle over new england saturday through sunday while 
strengthening to 30.6 inches.


loz063>065-210300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt tue oct 20 2026

.tonight...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...east winds 5 to 10 knots becoming north. waves
2 feet or less. 
.wednesday night...north winds 10 knots or less becoming
northwest. waves 1 foot or less. 
.thursday...north winds 5 to 15 knots. waves 1 to 3 feet. 
.thursday night...north winds 15 to 20 knots becoming northeast.
waves 2 to 4 feet. 
.friday...northeast winds 5 to 15 knots becoming southeast less
than 10 knots. waves 2 to 4 feet subsiding to 2 feet or less. 
.saturday...south winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less. 
.sunday...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 

$$

fzus61 kbuf 202003
glfsl 
expires:202610210300;;902015

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 pm edt tue oct 20 2026


slz022-024-210300-
saint lawrence river from cape vincent to saint regis
403 pm edt tue oct 20 2026

.tonight...north winds 10 knots or less becoming northeast.
clear.
.wednesday...northeast winds less than 10 knots. sunny.
.wednesday night...light and variable winds. clear in the
evening, then becoming partly cloudy. 
.thursday...light and variable winds becoming north 5 to
10 knots. mostly sunny. 
.thursday night...north winds 5 to 10 knots. mainly clear. 
.friday...north winds less than 10 knots. mainly clear. 
.saturday...light and variable winds. mainly clear. 
.sunday...south winds 5 to 10 knots becoming southwest. partly
cloudy, then becoming mostly cloudy. 

$$

fzus61 kcle 201933
glfle 
expires:202610210215;;901123

open lake forecast for lake erie
national weather service cleveland oh
333 pm edt tue oct 20 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 30.40 inches will maintain influence over lake erie
for the next several days. the high will briefly weaken to 30.20 
inches wednesday and thursday.


lez061-169-210215-
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-
333 pm edt tue oct 20 2026

.tonight...northeast winds 15 to 20 knots becoming east 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...east winds 10 knots or less becoming northeast.
waves 2 feet or less. 
.wednesday night...northeast winds less than 10 knots. waves
1 foot or less. 
.thursday...north winds 10 knots or less. waves 1 foot or less. 
.thursday night...north winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet. 
.friday...northeast winds 5 to 15 knots becoming southeast. waves
1 to 3 feet subsiding to 1 foot or less. 
.saturday...south winds 10 knots or less. waves 1 foot or less. 
.sunday...south winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 

$$