fzus61 kbuf 180803
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expires:202603181500;;889186

open lake forecast for lake ontario
national weather service buffalo ny
403 am edt wed mar 18 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 ridged from the lower ohio valley 
to the lake will slide east today and reach the east coast by this 
evening. following the passage of a weak warm front, a 30.2 inch 
high will build across the great lakes region thursday and thursday 
evening. a 29.8 inch low will settle from the upper great lakes to 
the lower lakes friday, with another 29.6 inch low then moving from 
near james bay to the canadian maritimes between saturday and sunday 
and pushing a cold front across the lake. a 30.4 inch high is then 
forecast to build across the great lakes on monday.


loz062-181500-
lake ontario open waters from the niagara river to hamlin beach-
403 am edt wed mar 18 2026

.today...southwest winds 5 to 15 knots becoming south. waves 1 to
3 feet. 
.tonight...south winds 5 to 15 knots. a chance of flurries after
midnight. a chance of snow showers late. waves 2 feet or less. 
.thursday...south winds 5 to 15 knots becoming west. a chance of
snow and rain showers in the morning, then a chance of rain
showers in the afternoon. waves 1 to 2 feet. 
.thursday night...west winds 5 to 10 knots. waves 1 foot or less.
.friday...southwest winds 5 to 10 knots becoming northwest. rain
showers likely with a chance of snow showers during the day, then
rain showers likely friday night. waves 2 feet or less. 
.saturday...northwest winds 10 to 15 knots becoming west. a
chance of rain showers during the day, then a chance of rain and
snow showers saturday night. waves 1 to 3 feet. 
.sunday...north winds 15 to 25 knots. a chance of rain and snow
showers. waves 2 to 4 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 

$$

fzus61 kbuf 180803
glflo 
expires:202603181500;;889187

open lake forecast for lake ontario
national weather service buffalo ny
403 am edt wed mar 18 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 ridged from the lower ohio valley 
to the lake will slide east today and reach the east coast by this 
evening. following the passage of a weak warm front, a 30.2 inch 
high will build across the great lakes region thursday and thursday 
evening. a 29.8 inch low will settle from the upper great lakes to 
the lower lakes friday, with another 29.6 inch low then moving from 
near james bay to the canadian maritimes between saturday and sunday 
and pushing a cold front across the lake. a 30.4 inch high is then 
forecast to build across the great lakes on monday.


loz063>065-181500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 am edt wed mar 18 2026

.today...northwest winds 5 to 10 knots becoming southeast. snow
showers likely early, then a chance of snow showers late this
morning. waves 2 to 4 feet subsiding to 1 foot or less. 
.tonight...southeast winds 10 to 15 knots becoming south 15 to
20 knots. a chance of flurries late. waves 1 to 3 feet building
to 2 to 4 feet. 
.thursday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a chance of snow showers in the morning, then a chance
of rain and snow showers in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.thursday night...southwest winds 5 to 10 knots becoming west.
waves 2 feet or less. 
.friday...southwest winds 5 to 10 knots becoming west. a chance
of rain and snow showers during the day, then a chance of rain
showers friday night. waves 2 feet or less. 
.saturday...northwest winds 10 to 15 knots becoming west. a
chance of rain showers during the day, then a chance of rain and
snow showers saturday night. waves 1 to 3 feet. 
.sunday...northwest winds 15 to 25 knots becoming north to
30 knots. a chance of rain and snow showers. waves 2 to 4 feet
building to 5 to 8 feet. waves occasionally around 10 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
336 am edt wed mar 18 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 high pressure 30.40 inches over lake erie will slowly drift 
east through friday. a warm front will move north across lake erie
on thursday. a weak cold front will push southeast across the lake
on sunday as a low pressure 29.70 inches drift northeast towards
labrador. high pressure 30.40 inches returns for the start of next
week. 


lez061-168-169-181415-
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-
336 am edt wed mar 18 2026

.today...southwest winds 5 to 15 knots becoming south. a chance
of snow early. a slight chance of snow early this afternoon.
waves 1 to 3 feet. 
.tonight...south winds 5 to 15 knots. a slight chance of snow
after midnight. a chance of snow with a slight chance of rain
late. waves 1 to 2 feet. 
.thursday...south winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 
.thursday night...west winds less than 10 knots becoming
southwest. waves 1 foot or less. 
.friday...south winds 5 to 10 knots becoming west. a chance of
rain. waves 1 foot or less. 
.saturday...northwest winds 5 to 10 knots becoming southwest. a
chance of rain and snow saturday night. waves 2 feet or less. 
.sunday...west winds 10 to 15 knots becoming north 15 to
20 knots. a chance of rain and snow during the day. waves 1 to
3 feet building to 2 to 4 feet. 

$$