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open lake forecast for lake ontario
national weather service buffalo ny
402 am 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 29.4 inch surface low over western quebec this morning 
will slowly track to central and eastern quebec today. meanwhile, a 
30.5 inch surface high will build south into the mid-mississippi 
valley, 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.


loz062-281600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est fri nov 28 2025

...gale warning in effect through this evening...

.today...west winds to 30 knots. lake effect snow showers likely
this morning, then a chance of snow showers early this afternoon.
waves 7 to 11 feet building to 8 to 12 feet. waves occasionally
around 15 feet. 
.tonight...west winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. a chance of snow showers through
the early overnight. waves 7 to 10 feet subsiding to 3 to 6 feet.
waves occasionally around 13 feet. 
.saturday...northwest winds 15 to 20 knots becoming southwest
5 to 15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday night...south winds 5 to 15 knots becoming southeast
15 to 20 knots. snow showers likely in the evening, then snow
showers overnight. waves 1 foot or less building to 3 to 5 feet. 
.sunday...southwest gales to 35 knots becoming northwest and
diminishing to 30 knots. rain and snow showers during the day,
then rain showers with a chance of snow showers sunday night.
waves 4 to 7 feet building to 7 to 11 feet. waves occasionally
around 14 feet. 
.monday...northwest winds 15 to 20 knots becoming south 5 to
15 knots. a chance of snow showers monday night. waves 4 to
7 feet subsiding to 1 to 2 feet. waves occasionally around
9 feet. 
.tuesday...south winds 10 to 15 knots becoming northwest. a
chance of snow showers. waves 1 to 2 feet. 

$$
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open lake forecast for lake ontario
national weather service buffalo ny
402 am 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 29.4 inch surface low over western quebec this morning 
will slowly track to central and eastern quebec today. meanwhile, a 
30.5 inch surface high will build south into the mid-mississippi 
valley, 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.


loz063-281600-
lake ontario open waters from hamlin beach to sodus bay-
402 am est fri nov 28 2025

...gale warning in effect through this evening...

.today...west winds to 30 knots increasing to 35 knot gales. lake
effect snow showers through early afternoon, then a chance of
snow showers late. waves 10 to 14 feet. waves occasionally around
18 feet. 
.tonight...northwest winds to 30 knots. lake effect snow showers
likely through the early overnight, then a chance of lake effect
snow showers late. waves 10 to 13 feet subsiding to 6 to 9 feet.
waves occasionally around 16 feet. 
.saturday...northwest winds 15 to 20 knots becoming west 5 to
15 knots. a chance of snow showers. waves 4 to 7 feet subsiding
to 1 to 3 feet. waves occasionally around 9 feet. 
.saturday night...southwest winds less than 10 knots becoming
southeast and increasing to 15 to 25 knots overnight. a chance of
snow showers in the evening, then snow showers overnight. waves
1 to 3 feet building to 3 to 6 feet. 
.sunday...south winds to 30 knots becoming west. rain and snow
showers. waves 5 to 9 feet building to 9 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. waves
7 to 10 feet subsiding to 1 to 2 feet. waves occasionally around
13 feet. 
.tuesday...south winds 10 to 15 knots becoming northwest. a
chance of snow showers. waves 1 to 3 feet. 

$$
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open lake forecast for lake ontario
national weather service buffalo ny
402 am 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 29.4 inch surface low over western quebec this morning 
will slowly track to central and eastern quebec today. meanwhile, a 
30.5 inch surface high will build south into the mid-mississippi 
valley, 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.


loz064-065-281600-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 am est fri nov 28 2025

...gale warning in effect through this evening...

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

$$
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open lake forecast for lake erie
national weather service cleveland oh
358 am 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 trough averaging 30.10 inches will linger across the eastern
great lakes through this evening before high pressure of 30.50 
inches moves east across the lake friday night and saturday. low 
pressure of 29.80 inches will track out of the great plains 
saturday night to the central great lakes on sunday, pulling a
cold front across lake erie. high pressure of 30.40 inches will 
build east across the region on monday. another low pressure
system will track up the east coast on tuesday and may influence
the eastern great lakes. 


lez061-167>169-281515-
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-
358 am est fri nov 28 2025

...gale warning in effect until 10 am est this morning...

.today...west gales to 35 knots diminishing to 30 knots. a chance
of snow early, then a chance of flurries from late morning on. 
waves 8 to 12 feet. waves occasionally around 15 feet. 
.tonight...west winds to 30 knots diminishing to 15 to 25 knots.
a slight chance of snow from late evening on. waves 6 to 10 feet
subsiding to 3 to 6 feet. waves occasionally around 13 feet. 
.saturday...west winds 5 to 15 knots becoming south. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.saturday night...southeast winds 15 to 25 knots becoming south
to 30 knots. snow in the evening, then snow and rain overnight.
waves 1 to 3 feet building to 5 to 8 feet. waves occasionally
around 10 feet. 
.sunday...south gales to 35 knots becoming northwest and
diminishing to 30 knots. rain during the day, then snow and rain
likely sunday night. waves 10 to 14 feet subsiding to 7 to
10 feet. waves occasionally around 18 feet. 
.monday...northwest winds 15 to 20 knots becoming south and
diminishing to 5 to 10 knots. a chance of snow monday night.
waves 3 to 5 feet subsiding to 2 feet or less. 
.tuesday...southwest winds 5 to 15 knots becoming west. a chance
of snow during the day. waves 1 to 3 feet. 

$$
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