fzus61 kbuf 092002
glflo 
expires:202510100300;;394222

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt thu oct 9 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 30.4 inch high will build from the lower great lakes 
to off the new england coastline by friday, where it will linger 
through saturday. another 30.4 inch high will then build across 
quebec on sunday and monday, while a deepening 29.4 inch low slowly 
drifts north offshore of the carolinas and to the southern mid-
atlantic coastline.


loz062-100300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt thu oct 9 2025

.tonight...east winds 5 to 10 knots becoming south. waves 2 feet
or less. 
.friday...south winds 5 to 15 knots. waves 2 feet or less. 
.friday night...south winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet. 
.saturday...south winds 10 to 15 knots becoming east. a chance of
showers. waves 1 to 2 feet. 
.saturday night...east winds 10 to 15 knots increasing to 15 to
20 knots. showers likely. waves 2 to 4 feet. 
.sunday...east winds 15 to 25 knots. showers likely. waves 3 to
6 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.monday...east winds 15 to 20 knots becoming northeast 5 to
15 knots. a chance of showers. waves 4 to 7 feet subsiding to
1 to 3 feet. waves occasionally around 9 feet. 
.tuesday...north winds 5 to 15 knots becoming northwest. a chance
of showers tuesday night. waves 2 feet or less. 

$$

fzus61 kbuf 092002
glflo 
expires:202510100300;;394223

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt thu oct 9 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 30.4 inch high will build from the lower great lakes 
to off the new england coastline by friday, where it will linger 
through saturday. another 30.4 inch high will then build across 
quebec on sunday and monday, while a deepening 29.4 inch low slowly 
drifts north offshore of the carolinas and to the southern mid-
atlantic coastline.


loz063>065-100300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt thu oct 9 2025

.tonight...northeast winds 10 knots or less becoming south. waves
2 feet or less. 
.friday...south winds 10 to 15 knots. waves 1 to 3 feet. 
.friday night...south winds 15 to 25 knots. a chance of showers
overnight. waves 1 to 3 feet building to 3 to 5 feet. 
.saturday...south winds 15 to 20 knots becoming east 10 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.saturday night...east winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers. waves 1 to 3 feet building to 2 to
4 feet. 
.sunday...east winds 15 to 25 knots. a chance of showers during
the day, then showers likely sunday night. waves 2 to 4 feet
building to 4 to 7 feet. waves occasionally around 9 feet. 
.monday...northeast winds 15 to 25 knots diminishing to 10 to
15 knots. showers likely during the day, then a chance of showers
monday night. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet. 
.tuesday...north winds 5 to 15 knots becoming northwest. a chance
of showers. waves 1 to 3 feet. 

$$

fzus61 kbuf 092002
glfsl 
expires:202510100300;;394219

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
402 pm edt thu oct 9 2025


slz022-024-100300-
saint lawrence river from cape vincent to saint regis
402 pm edt thu oct 9 2025

.tonight...light and variable winds. clear.
.friday...south winds 10 knots or less becoming southwest. sunny.
.friday night...south winds 5 to 10 knots. partly cloudy. 
.saturday...south winds 10 knots or less becoming southeast.
sunny.
.saturday night...east winds less than 10 knots. mainly clear in
the evening, then becoming partly cloudy. 
.sunday...northeast winds 10 knots or less. a chance of showers. 
.monday...northeast winds 10 knots or less. a chance of showers. 
.tuesday...northeast winds less than 10 knots becoming west. a
chance of showers. 

$$

fzus61 kcle 091952
glfle 
expires:202510100215;;393696

open lake forecast for lake erie
national weather service cleveland oh
352 pm edt thu oct 9 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...
a high pressure ridge averaging 30.50 inches exits slowly eastward
before a weak warm front sweeps northward across lake erie friday
morning. behind the front, a ridge averaging 30.40 inches should 
build from the southern appalachians and vicinity through friday 
night. on saturday, a weak low of 29.90 inches should drift
southeastward across the northern great lakes and vicinity, and 
allow the trailing cold front to begin to sweep eastward across 
western lake erie. during sunday, the low should drift farther 
southeastward to lake erie, devolve into a trough averaging 30.00
inches over lake erie and the upper ohio valley, and the cold
front should dissipate over and near central lake erie. a ridge 
averaging 30.20 inches should then build generally from the west 
sunday night through this tuesday.


lez061-168-169-100215-
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-
352 pm edt thu oct 9 2025

.tonight...east winds 10 to 15 knots becoming south. waves 1 to
2 feet. 
.friday...south winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet. 
.friday night...south winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers overnight. waves 1 to 3 feet
building to 2 to 4 feet. 
.saturday...south winds 15 to 20 knots becoming southeast 5 to
15 knots. a chance of showers in the morning, then showers likely
in the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday night...east winds 5 to 15 knots becoming southeast.
showers likely. waves 1 to 2 feet. 
.sunday...east winds 10 to 15 knots increasing to 15 to 20 knots.
showers likely. waves 1 to 3 feet building to 2 to 4 feet. 
.monday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.tuesday...northeast winds 5 to 10 knots becoming north. a chance
of showers tuesday night. waves 2 feet or less. 

$$