fzus61 kbuf 100202
glfsl 
expires:202609100900;;663515

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1002 pm edt wed sep 9 2026


slz022-024-100900-
saint lawrence river from cape vincent to saint regis
1002 pm edt wed sep 9 2026

.rest of tonight...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. showers likely late this evening, then a chance
of showers after midnight. 
.thursday...west winds 10 to 15 knots. mostly sunny. 
.thursday night...northwest winds 5 to 10 knots becoming light
and variable. partly cloudy in the evening, then becoming mainly
clear. 
.friday...light and variable winds becoming west 5 to 10 knots.
sunny.
.friday night...southwest winds less than 10 knots becoming
south. clear.
.saturday...south winds 5 to 15 knots. mainly clear, then
becoming partly cloudy. 
.sunday...southwest winds 10 knots or less becoming west. a
chance of showers. 
.monday...northwest winds 10 knots or less becoming southeast.
partly to mostly cloudy. 

$$

fzus61 kbuf 100201
glflo 
expires:202609100900;;663487

open lake forecast for lake ontario
national weather service buffalo ny
1001 pm edt wed sep 9 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 cold front sweeps eastward across lake ontario late 
this evening through early thursday morning. behind the front, a 
high pressure ridge averaging 30.0 inches builds from the western 
great lakes through friday and then exits toward new england on 
saturday. a warm front should sweep northeastward across lake 
ontario saturday night and be followed by a cold front sweeping 
eastward across the lake later on sunday. behind the cold front, a 
30.1 inch ridge should slide eastward across the lake through monday.


loz062-100900-
lake ontario open waters from the niagara river to hamlin beach-
1001 pm edt wed sep 9 2026

.overnight...southwest winds 15 to 20 knots becoming west.
waves 3 to 5 feet subsiding to 2 to 4 feet. 
.thursday...west winds 10 to 15 knots. waves 2 to 4 feet. 
.thursday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northwest winds 10 knots or less becoming southwest.
waves 2 feet or less. 
.friday night...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.saturday...south winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.sunday...west winds 5 to 15 knots becoming northwest. waves
1 foot or less. 
.monday...north winds 5 to 15 knots becoming south. waves 1 to
3 feet. 

$$

fzus61 kbuf 100201
glflo 
expires:202609100900;;663488

open lake forecast for lake ontario
national weather service buffalo ny
1001 pm edt wed sep 9 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 cold front sweeps eastward across lake ontario late 
this evening through early thursday morning. behind the front, a 
high pressure ridge averaging 30.0 inches builds from the western 
great lakes through friday and then exits toward new england on 
saturday. a warm front should sweep northeastward across lake 
ontario saturday night and be followed by a cold front sweeping 
eastward across the lake later on sunday. behind the cold front, a 
30.1 inch ridge should slide eastward across the lake through monday.


loz063>065-100900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1001 pm edt wed sep 9 2026

.overnight...southwest winds 15 to 20 knots becoming west.
a chance of showers. waves 3 to 5 feet. 
.thursday...west winds 15 to 20 knots. waves 3 to 6 feet. 
.thursday night...northwest winds 15 to 20 knots diminishing to
5 to 15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.friday...northwest winds 10 knots or less becoming west. waves
2 feet or less. 
.friday night...west winds 5 to 10 knots becoming south. waves
1 foot or less. 
.saturday...south winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.monday...north winds 5 to 10 knots becoming south and increasing
to 15 to 20 knots. waves 1 to 3 feet. 

$$

fzus61 kcle 100155
glfle 
expires:202609100815;;663372

open lake forecast for lake erie
national weather service cleveland oh
955 pm edt wed sep 9 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...
a cold front will move across the lake tonight. this front will 
stall south of the lake thursday morning before moving south in 
the afternoon. high pressure 30.10 inches builds in thursday night
into friday, weakening to 30.00 inches for saturday as an active 
frontal boundary sets up over the southern great lakes.


lez061-168-169-100815-
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-
955 pm edt wed sep 9 2026

.rest of tonight...west winds 15 to 20 knots. a slight chance of
showers and thunderstorms late this evening. waves 3 to 5 feet. 
.thursday...northwest winds 5 to 15 knots becoming west. waves
1 to 3 feet. 
.thursday night...northwest winds 5 to 10 knots becoming
northeast. waves 2 feet or less. 
.friday...north winds 10 knots or less becoming east. waves
1 foot or less. 
.friday night...southeast winds 10 knots or less. waves 1 foot or
less. 
.saturday...south winds 5 to 10 knots. waves 2 feet or less. 
.sunday...southwest winds 5 to 10 knots becoming northeast. waves
1 to 2 feet. 
.monday...northeast winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$