fzus61 kbuf 240205
glfsl 
expires:202603240900;;195480

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1005 pm edt mon mar 23 2026


slz022-024-240900-
saint lawrence river from cape vincent to saint regis
1005 pm edt mon mar 23 2026

.rest of tonight...northwest winds 10 knots or less. mostly
cloudy late this evening, then clearing. 
.tuesday...northwest winds 10 knots or less becoming southwest
10 to 15 knots. sunny in the morning, then becoming mostly
cloudy. 
.tuesday night...southwest winds 5 to 15 knots. mostly cloudy. 
.wednesday...southwest winds 10 knots or less. a chance of rain
and snow showers in the afternoon. 
.wednesday night...south winds 5 to 10 knots. rain and snow
showers likely. 
.thursday...south winds 5 to 10 knots becoming northwest. rain
and snow showers likely. 
.friday...northwest winds 5 to 15 knots. a chance of rain and
snow showers during the day. 
.saturday...west winds 5 to 10 knots. partly cloudy. 

$$

fzus61 kbuf 240204
glflo 
expires:202603240900;;195446

open lake forecast for lake ontario
national weather service buffalo ny
1004 pm edt mon mar 23 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 will drift from southern lower 
michigan tonight to the mid-atlantic states by late tuesday before 
drifting off the east coast wednesday. a weak 29.7 inch low over the 
central great lakes early thursday will move to the canadian 
maritimes by early friday, with a trailing cold front crossing the 
lake thursday night.


loz062-240900-
lake ontario open waters from the niagara river to hamlin beach-
1004 pm edt mon mar 23 2026

.overnight...northwest winds 15 to 20 knots diminishing to
5 to 10 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...northwest winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. waves 1 to 3 feet building to 2 to
4 feet. 
.tuesday night...southwest winds 15 to 20 knots diminishing to
5 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...south winds 5 to 15 knots becoming southeast. waves
1 to 2 feet. 
.wednesday night...east winds 10 to 15 knots becoming south. a
chance of rain showers. waves 1 to 2 feet. 
.thursday...southwest winds 10 to 15 knots becoming northwest
15 to 20 knots. a chance of rain showers during the day, then
rain showers likely thursday night. waves 1 to 3 feet building to
4 to 6 feet. 
.friday...north winds 15 to 20 knots becoming northwest. waves
3 to 5 feet subsiding to 2 to 4 feet. 
.saturday...west winds 15 to 20 knots. waves 3 to 6 feet building
to 4 to 7 feet. waves occasionally around 9 feet. 

$$

fzus61 kbuf 240204
glflo 
expires:202603240900;;195447

open lake forecast for lake ontario
national weather service buffalo ny
1004 pm edt mon mar 23 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 will drift from southern lower 
michigan tonight to the mid-atlantic states by late tuesday before 
drifting off the east coast wednesday. a weak 29.7 inch low over the 
central great lakes early thursday will move to the canadian 
maritimes by early friday, with a trailing cold front crossing the 
lake thursday night.


loz063-064-240900-
lake ontario open waters from hamlin beach to mexico bay-
1004 pm edt mon mar 23 2026

.overnight...northwest winds 15 to 20 knots becoming north
10 to 15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.tuesday...northwest winds 5 to 15 knots becoming west. waves
1 to 3 feet. 
.tuesday night...west winds 10 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.wednesday...south winds 5 to 10 knots becoming southeast. waves
1 to 2 feet. 
.wednesday night...southeast winds around 10 knots becoming
south. a chance of rain showers. waves 1 to 2 feet. 
.thursday...southwest winds 10 to 15 knots becoming northwest and
increasing to 15 to 25 knots. a chance of rain showers during the
day, then rain showers likely with a chance of snow showers
thursday night. waves 1 to 2 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.friday...north winds 15 to 25 knots becoming northwest. a chance
of rain and snow showers during the day. waves 4 to 7 feet
subsiding to 3 to 5 feet. waves occasionally around 9 feet. 
.saturday...west winds 15 to 25 knots. waves 3 to 5 feet building
to 5 to 8 feet. waves occasionally around 10 feet. 

$$

fzus61 kbuf 240204
glflo 
expires:202603240900;;195448

open lake forecast for lake ontario
national weather service buffalo ny
1004 pm edt mon mar 23 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 will drift from southern lower 
michigan tonight to the mid-atlantic states by late tuesday before 
drifting off the east coast wednesday. a weak 29.7 inch low over the 
central great lakes early thursday will move to the canadian 
maritimes by early friday, with a trailing cold front crossing the 
lake thursday night.


loz065-240900-
lake ontario open waters from mexico bay to the saint lawrence
river-
1004 pm edt mon mar 23 2026

.overnight...north winds 15 to 20 knots diminishing to
10 to 15 knots. waves 1 to 3 feet. 
.tuesday...northwest winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.tuesday night...southwest winds 10 to 15 knots becoming west.
waves 1 to 3 feet. 
.wednesday...south winds around 10 knots. waves 2 feet or less. 
.wednesday night...southeast winds around 10 knots becoming
south. a chance of rain showers. waves 2 feet or less. 
.thursday...south winds 10 to 15 knots becoming northwest and
increasing to 15 to 25 knots. a chance of rain showers during the
day, then rain showers likely with a chance of snow showers
thursday night. waves 1 to 3 feet building to 3 to 5 feet. 
.friday...north winds 15 to 25 knots. a chance of rain and snow
showers during the day. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.saturday...west winds 15 to 20 knots. waves 2 to 4 feet building
to 4 to 7 feet. waves occasionally around 9 feet. 

$$