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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt fri mar 27 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 29.6 inch low will move east across quebec tonight 
before reaching the canadian maritimes by friday morning while 
deepening to 29.4 inches. a strong 30.6 inch high will build from 
the northern plains friday afternoon to the ohio valley saturday 
afternoon and then off the mid atlantic coast sunday. a 30.0 inch 
trough will sag southward across eastern canada monday, then move 
across the eastern great lakes monday night.


loz062-271500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt fri mar 27 2026

.today...north winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tonight...northwest winds 5 to 15 knots. waves 1 to 3 feet. 
.saturday...northwest winds 10 to 15 knots becoming west 15 to
20 knots. waves 2 to 4 feet. 
.saturday night...west winds 15 to 20 knots becoming southwest
10 to 15 knots. waves 2 to 4 feet. 
.sunday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet. 
.monday...southwest winds 10 to 15 knots becoming northeast 15 to
20 knots. a chance of rain showers monday night. waves 1 to
3 feet. 
.tuesday...east winds 15 to 25 knots becoming southwest. rain
showers likely. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 

$$

fzus61 kbuf 270802
glflo 
expires:202603271500;;367854

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt fri mar 27 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 29.6 inch low will move east across quebec tonight 
before reaching the canadian maritimes by friday morning while 
deepening to 29.4 inches. a strong 30.6 inch high will build from 
the northern plains friday afternoon to the ohio valley saturday 
afternoon and then off the mid atlantic coast sunday. a 30.0 inch 
trough will sag southward across eastern canada monday, then move 
across the eastern great lakes monday night.


loz063-064-271500-
lake ontario open waters from hamlin beach to mexico bay-
402 am edt fri mar 27 2026

.today...north winds 15 to 25 knots diminishing to 10 to
15 knots. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet. 
.tonight...northwest winds 5 to 15 knots becoming north. waves
1 to 3 feet. 
.saturday...northwest winds 10 to 15 knots becoming west 15 to
20 knots. a chance of snow showers. waves 1 to 3 feet building to
3 to 6 feet. 
.saturday night...west winds 15 to 20 knots becoming southwest
10 to 15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.sunday...south winds 10 to 15 knots becoming southwest. waves
1 to 3 feet. 
.monday...southwest winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. a chance of rain showers monday
night. waves 1 to 3 feet. 
.tuesday...east winds 15 to 25 knots becoming south. rain showers
likely. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 

$$

fzus61 kbuf 270802
glflo 
expires:202603271500;;367855

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt fri mar 27 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 29.6 inch low will move east across quebec tonight 
before reaching the canadian maritimes by friday morning while 
deepening to 29.4 inches. a strong 30.6 inch high will build from 
the northern plains friday afternoon to the ohio valley saturday 
afternoon and then off the mid atlantic coast sunday. a 30.0 inch 
trough will sag southward across eastern canada monday, then move 
across the eastern great lakes monday night.


loz065-271500-
lake ontario open waters from mexico bay to the saint lawrence
river-
402 am edt fri mar 27 2026

.today...north winds 15 to 25 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tonight...north winds around 10 knots. waves 2 feet or less. 
.saturday...north winds 5 to 10 knots becoming west and
increasing to 15 to 20 knots. waves 1 foot or less building to
3 to 5 feet. 
.saturday night...west winds 15 to 20 knots becoming southwest
10 to 15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.sunday...south winds 10 to 15 knots becoming southwest. waves
1 to 3 feet. 
.monday...southwest winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. a chance of rain showers monday
night. waves 1 to 3 feet. 
.tuesday...east winds 15 to 25 knots becoming south. rain
showers. waves 1 to 3 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
401 am edt fri mar 27 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 ridge averaging 30.50 inches will build in across the region 
and move eastward off the east coast through this weekend. as the 
ridge exits to the east on monday, a cold front will waver across 
the region and influence lake erie through early next week.


lez061-168-169-271415-
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-
401 am edt fri mar 27 2026

.today...northeast winds 15 to 20 knots becoming north 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tonight...north winds 5 to 10 knots becoming northwest. a slight
chance of snow late. waves 2 feet or less. 
.saturday...northwest winds 5 to 15 knots becoming west. waves
1 to 3 feet. 
.saturday night...southwest winds 5 to 15 knots becoming south.
waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.monday...southwest winds 5 to 15 knots becoming southeast. a
chance of rain monday night. waves 1 to 2 feet. 
.tuesday...southeast winds 10 to 15 knots becoming southwest
15 to 20 knots. rain likely. waves 1 to 3 feet building to 2 to
4 feet. 

$$