fzus61 kbuf 072010
glflo 
expires:202604080300;;994654

open lake forecast for lake ontario
national weather service buffalo ny
409 pm edt tue apr 7 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 29.9 inch clipper low will move off the new england 
coast this evening. a 30.6 inch high will then build over the lower 
great lakes tonight, then east across new england wednesday before 
moving southeast of nova scotia thursday. a 29.5 inch low will then 
move from the north shore of lake superior wednesday night to 
northern quebec by thursday night, with a trailing cold front 
crossing the lake thursday night and friday. a 30.5 inch high is 
then forecast to build into the central great lakes saturday, then 
drift east to new england by sunday.


loz062-080300-
lake ontario open waters from the niagara river to hamlin beach-
409 pm edt tue apr 7 2026

.tonight...northwest winds 15 to 20 knots becoming northeast and
diminishing to less than 10 knots after midnight. waves 3 to
5 feet subsiding to 2 feet or less. 
.wednesday...southeast winds 10 knots or less becoming east 10 to
15 knots. waves 2 feet or less. 
.wednesday night...east winds 10 to 15 knots becoming south 15 to
20 knots. waves 2 to 4 feet building to 3 to 5 feet. 
.thursday...south winds 15 to 25 knots becoming southwest. a
chance of showers in the afternoon. waves 3 to 6 feet. 
.thursday night...southwest winds 15 to 20 knots becoming
northwest and diminishing to 5 to 10 knots. a chance of rain
showers. waves 3 to 6 feet subsiding to 1 to 2 feet. 
.friday...north winds 5 to 10 knots becoming northwest. rain
showers. waves 2 feet or less. 
.saturday...northwest winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.sunday...southeast winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. a chance of rain showers. waves
2 feet or less building to 3 to 5 feet. 

$$

fzus61 kbuf 072010
glflo 
expires:202604080300;;994655

open lake forecast for lake ontario
national weather service buffalo ny
409 pm edt tue apr 7 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 29.9 inch clipper low will move off the new england 
coast this evening. a 30.6 inch high will then build over the lower 
great lakes tonight, then east across new england wednesday before 
moving southeast of nova scotia thursday. a 29.5 inch low will then 
move from the north shore of lake superior wednesday night to 
northern quebec by thursday night, with a trailing cold front 
crossing the lake thursday night and friday. a 30.5 inch high is 
then forecast to build into the central great lakes saturday, then 
drift east to new england by sunday.


loz063>065-080300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
409 pm edt tue apr 7 2026

.tonight...west winds 15 to 20 knots becoming northwest and
diminishing to less than 10 knots. waves 4 to 7 feet subsiding to
2 feet or less. waves occasionally around 9 feet. 
.wednesday...southwest winds 10 knots or less becoming east 10 to
15 knots. waves 2 feet or less. 
.wednesday night...east winds 10 to 15 knots becoming south and
increasing to 30 knots overnight. waves 1 to 3 feet building to
4 to 7 feet. waves occasionally around 9 feet. 
.thursday...south winds to 30 knots diminishing to 15 to
25 knots. a chance of rain showers in the afternoon. waves 4 to
7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet. 
.thursday night...south winds 15 to 20 knots becoming west 5 to
15 knots. a chance of rain showers in the evening. waves 3 to
6 feet subsiding to 1 to 3 feet. 
.friday...north winds 5 to 15 knots becoming northwest. rain
showers likely. waves 1 to 3 feet. 
.saturday...northwest winds 5 to 15 knots becoming south less
than 10 knots. waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots becoming south and
increasing to 15 to 25 knots. a chance of rain showers sunday
night. waves 2 feet or less building to 3 to 6 feet. 

$$

fzus61 kcle 071944
glfle 
expires:202604080300;;993529

open lake forecast for lake erie
national weather service cleveland oh
344 pm edt tue apr 7 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...
high pressure 30.60 inches will move over lake erie tonight then drift
eastward towards new england on wednesday. low pressure 29.70 
inches will track northeast across the upper great lakes late
wednesday, lifting a warm front northward across the lake. a cold
front will push across the lake on friday. high pressure 30.40 
inches will build over the great lakes on saturday. 


lez061-167>169-080300-
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-
344 pm edt tue apr 7 2026

.tonight...northwest winds 10 knots or less becoming southeast.
waves 2 feet or less. 
.wednesday...southeast winds 5 to 10 knots becoming east. waves
1 foot or less. 
.wednesday night...east winds 10 to 15 knots becoming south 15 to
20 knots. waves 2 feet or less building to 3 to 5 feet. 
.thursday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a chance of showers in the afternoon. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.thursday night...southwest winds 5 to 15 knots becoming south. a
chance of rain showers. waves 1 to 3 feet. 
.friday...south winds 10 knots or less becoming north. rain
showers likely during the day. waves 2 feet or less. 
.saturday...north winds 10 knots or less becoming east. waves
1 foot or less. 
.sunday...southeast winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 foot or less building to 3 to 5 feet. 

$$