fzus61 kbuf 282102
glflo 
expires:202511290400;;670100

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est fri nov 28 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 29.5 inch surface low over eastern quebec this evening 
will slide to newfoundland overnight. meanwhile, a 30.5 inch surface 
high will build south into the mid-mississippi valley tonight, then 
to the ohio valley and lower great lakes saturday. another surface 
low will cut northeastward through the central great lakes sunday, 
slowly deepening from 29.6 inches sunday morning to 29.4 inches 
sunday night over western quebec. a cold front from this low will 
cross the lake late sunday night. a 30.4 inch surface high centered 
over the central plains will then build east across the great lakes 
monday, sliding quickly to new england on tuesday. a 29.7 inch 
surface low off the carolina coastline tuesday morning will deepen 
to 28.9 inches over southern atlantic canada by wednesday.


loz062-290400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est fri nov 28 2025

...gale warning in effect until 7 pm est this evening...

.tonight...west gales to 35 knots becoming northwest and
diminishing to 15 to 20 knots. waves 7 to 11 feet subsiding to
4 to 7 feet. waves occasionally around 14 feet. 
.saturday...northwest winds 15 to 20 knots becoming west 5 to
15 knots. a chance of snow showers late. waves 3 to 6 feet
subsiding to 1 to 3 feet. 
.saturday night...south winds 5 to 15 knots becoming southeast
and increasing to 15 to 25 knots. a chance of snow showers in the
evening, then snow showers overnight. waves 1 to 3 feet building
to 3 to 5 feet. 
.sunday...south winds to 30 knots becoming southwest and
increasing to 40 knot gales in the afternoon. rain and snow
showers in the morning, then rain showers in the afternoon. waves
3 to 6 feet building to 9 to 12 feet. waves occasionally around
15 feet. 
.sunday night...west gales to 35 knots becoming northwest and
diminishing to 30 knots overnight. rain showers with a chance of
snow showers in the evening, then a chance of snow showers
overnight. waves 8 to 12 feet. waves occasionally around 15 feet.
.monday...northwest winds 15 to 25 knots becoming south and
diminishing to 5 to 15 knots. a chance of snow showers monday
night. waves 5 to 8 feet subsiding to 2 feet or less. waves
occasionally around 10 feet. 
.tuesday...southwest winds 10 to 15 knots becoming northwest. a
chance of snow showers. waves 1 to 2 feet. 
.wednesday...west winds 15 to 25 knots increasing to 30 knots. a
chance of snow showers wednesday night. waves 2 to 3 feet
building to 5 to 8 feet. waves occasionally around 10 feet. 

$$

fzus61 kbuf 282102
glflo 
expires:202511290400;;670101

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est fri nov 28 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 29.5 inch surface low over eastern quebec this evening 
will slide to newfoundland overnight. meanwhile, a 30.5 inch surface 
high will build south into the mid-mississippi valley tonight, then 
to the ohio valley and lower great lakes saturday. another surface 
low will cut northeastward through the central great lakes sunday, 
slowly deepening from 29.6 inches sunday morning to 29.4 inches 
sunday night over western quebec. a cold front from this low will 
cross the lake late sunday night. a 30.4 inch surface high centered 
over the central plains will then build east across the great lakes 
monday, sliding quickly to new england on tuesday. a 29.7 inch 
surface low off the carolina coastline tuesday morning will deepen 
to 28.9 inches over southern atlantic canada by wednesday.


loz063-290400-
lake ontario open waters from hamlin beach to sodus bay-
402 pm est fri nov 28 2025

...gale warning in effect until 7 pm est this evening...

.tonight...northwest gales to 35 knots diminishing to 30 knots. a
chance of snow showers. waves 10 to 14 feet subsiding to 7 to
11 feet. waves occasionally around 18 feet. 
.saturday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. snow showers likely early. waves 5 to 8 feet subsiding
to 2 to 4 feet. waves occasionally around 10 feet. 
.saturday night...southwest winds 5 to 15 knots becoming
southeast and increasing to 15 to 25 knots. a chance of snow
showers in the evening, then snow showers overnight. waves 1 to
2 feet building to 3 to 6 feet. 
.sunday...south winds to 30 knots becoming southwest. snow and
rain showers. waves 5 to 9 feet building to 7 to 10 feet. waves
occasionally around 13 feet. 
.sunday night...southwest gales to 35 knots becoming northwest
and diminishing to 30 knots overnight. rain showers with snow
showers likely in the evening, then snow showers likely
overnight. waves 10 to 14 feet. waves occasionally around
18 feet. 
.monday...northwest winds to 30 knots becoming south and
diminishing to 5 to 15 knots. a chance of snow showers monday
night. waves 8 to 11 feet subsiding to 1 to 2 feet. waves
occasionally around 14 feet. 
.tuesday...south winds 10 to 15 knots becoming northwest. snow
showers likely during the day, then a chance of snow showers
tuesday night. waves 1 to 3 feet. 
.wednesday...west winds 15 to 25 knots becoming southwest. a
chance of snow showers wednesday night. waves 2 to 3 feet
building to 6 to 9 feet. waves occasionally around 11 feet. 

$$

fzus61 kbuf 282102
glflo 
expires:202511290400;;670102

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est fri nov 28 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 29.5 inch surface low over eastern quebec this evening 
will slide to newfoundland overnight. meanwhile, a 30.5 inch surface 
high will build south into the mid-mississippi valley tonight, then 
to the ohio valley and lower great lakes saturday. another surface 
low will cut northeastward through the central great lakes sunday, 
slowly deepening from 29.6 inches sunday morning to 29.4 inches 
sunday night over western quebec. a cold front from this low will 
cross the lake late sunday night. a 30.4 inch surface high centered 
over the central plains will then build east across the great lakes 
monday, sliding quickly to new england on tuesday. a 29.7 inch 
surface low off the carolina coastline tuesday morning will deepen 
to 28.9 inches over southern atlantic canada by wednesday.


loz064-065-290400-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 pm est fri nov 28 2025

...gale warning in effect until 7 pm est this evening...

.tonight...northwest gales to 35 knots diminishing to 30 knots. a
chance of snow showers early. waves 10 to 14 feet subsiding to
7 to 10 feet. waves occasionally around 18 feet. 
.saturday...northwest winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. waves 5 to 8 feet subsiding to
2 to 4 feet. waves occasionally around 10 feet. 
.saturday night...west winds 5 to 15 knots becoming southeast and
increasing to 30 knots overnight. snow showers overnight. waves
1 to 3 feet building to 3 to 6 feet. 
.sunday...south winds to 30 knots becoming southwest and
increasing to 40 knot gales in the afternoon. snow and rain
showers. waves 5 to 8 feet building to 10 to 13 feet. waves
occasionally around 16 feet. 
.sunday night...southwest gales to 35 knots becoming northwest
and diminishing to 30 knots overnight. rain and snow showers.
waves 10 to 15 feet. waves occasionally around 19 feet. 
.monday...northwest winds to 30 knots becoming south and
diminishing to 15 to 20 knots. snow showers likely during the
day, then a chance of snow showers monday night. waves 9 to
12 feet subsiding to 1 to 3 feet. waves occasionally around
15 feet. 
.tuesday...south winds 15 to 20 knots becoming north 10 to
15 knots. snow showers likely. waves 1 to 3 feet. 
.wednesday...west winds 10 to 15 knots becoming southwest and
increasing to 30 knots. a chance of snow showers during the day,
then snow showers likely wednesday night. waves 1 to 3 feet
building to 5 to 9 feet. waves occasionally around 11 feet. 

$$

fzus61 kbuf 282102
glfsl 
expires:202511290400;;670098

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
402 pm est fri nov 28 2025


slz022-290400-
saint lawrence river from cape vincent to ogdensburg-
402 pm est fri nov 28 2025

.tonight...west winds 15 to 20 knots diminishing to 10 to
15 knots. mostly cloudy this evening, then becoming partly
cloudy. 
.saturday...west winds 10 knots or less becoming southwest.
mostly sunny. 
.saturday night...light and variable winds becoming southeast
10 to 15 knots. snow showers overnight. 
.sunday...southeast winds 15 to 20 knots becoming south. snow and
rain showers. 
.sunday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. rain and snow showers. 
.monday...northwest winds 5 to 15 knots becoming southeast
10 knots or less. a chance of snow showers monday night. 
.tuesday...south winds 10 knots or less becoming northwest. snow
showers likely during the day, then a chance of snow showers
tuesday night. 
.wednesday...southwest winds 5 to 15 knots. snow showers likely
wednesday night. 

$$

fzus61 kcle 282031
glfle 
expires:202511290345;;669084

open lake forecast for lake erie
national weather service cleveland oh
331 pm est fri nov 28 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 ridge averaging 30.50 inches builds in from the south tonight,
exiting quickly saturday night as strong low pressure 29.70
inches and a cold front tracks through early sunday. high pressure
30.50 inches builds back in over lake erie monday.



lez061-167>169-290345-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 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-
331 pm est fri nov 28 2025

.tonight...west winds to 30 knots diminishing to 15 to 20 knots.
a chance of flurries through the early overnight, then a slight
chance of snow late. waves 7 to 11 feet subsiding to 4 to 7 feet.
waves occasionally around 14 feet. 
.saturday...west winds 5 to 15 knots becoming south. a slight
chance of snow early. a slight chance of snow early in the
afternoon, then snow likely late. waves 3 to 5 feet subsiding to
1 to 3 feet. 
.saturday night...southeast winds 15 to 25 knots becoming south
to 30 knots. snow. waves 1 to 3 feet building to 5 to 8 feet.
waves occasionally around 10 feet. 
.sunday...south winds to 30 knots becoming west and increasing to
35 knot gales in the afternoon. rain and snow in the morning,
then rain in the afternoon. waves 7 to 10 feet building to 11 to
15 feet. waves occasionally around 19 feet. 
.sunday night...west gales to 35 knots becoming northwest and
diminishing to 15 to 20 knots overnight. snow likely with rain in
the evening, then snow likely overnight. waves 10 to 15 feet
subsiding to 5 to 8 feet. waves occasionally around 19 feet. 
.monday...northwest winds 15 to 20 knots becoming south and
diminishing to 5 to 10 knots. snow likely monday night. waves
3 to 5 feet subsiding to 2 feet or less. 
.tuesday...west winds 5 to 15 knots becoming northwest. snow
likely during the day. waves 1 to 3 feet. 
.wednesday...west winds 15 to 20 knots increasing to 30 knots. a
chance of snow wednesday night. waves 3 to 5 feet building to
5 to 9 feet. waves occasionally around 11 feet. 

$$