fzus61 kbuf 210202
glflo 
expires:202606210900;;101013

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sat jun 20 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...an unseasonably strong 29.2 inch low over the canadian 
maritimes will finally exit eastward into the northern atlantic 
tonight. a weak ridge of high pressure averaging 29.9 inches will 
then build over the great lakes tonight through sunday. a 29.7 inch 
low is then forecast to move south of the lower great lakes monday 
and monday night, before moving off the new england coast by 
tuesday. a broad area of high pressure averaging 30.1 inches will 
advance over the eastern great lakes region tuesday and wednesday, 
before exiting east into new england on thursday as a weak 29.8 inch 
low moves east into the central great lakes.


loz062-210900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt sat jun 20 2026

.overnight...northwest winds 10 knots or less. waves 2 feet
or less. 
.sunday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.sunday night...west winds less than 10 knots becoming southeast.
waves 1 foot or less. 
.monday...east winds 10 knots or less increasing to 10 to
15 knots. a chance of showers. waves 2 feet or less. 
.monday night...east winds 5 to 15 knots becoming north. a chance
of showers in the evening. waves 1 to 2 feet. 
.tuesday...northwest winds 5 to 10 knots. waves 1 foot or less. 
.wednesday...west winds less than 10 knots becoming south. a
chance of showers wednesday night. waves 1 foot or less. 
.thursday...east winds 10 knots or less becoming southwest. a
chance of showers. waves 1 foot or less. 

$$

fzus61 kbuf 210202
glflo 
expires:202606210900;;101014

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sat jun 20 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...an unseasonably strong 29.2 inch low over the canadian 
maritimes will finally exit eastward into the northern atlantic 
tonight. a weak ridge of high pressure averaging 29.9 inches will 
then build over the great lakes tonight through sunday. a 29.7 inch 
low is then forecast to move south of the lower great lakes monday 
and monday night, before moving off the new england coast by 
tuesday. a broad area of high pressure averaging 30.1 inches will 
advance over the eastern great lakes region tuesday and wednesday, 
before exiting east into new england on thursday as a weak 29.8 inch 
low moves east into the central great lakes.


loz063>065-210900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt sat jun 20 2026

.overnight...west winds 5 to 10 knots. waves 1 to 3 feet. 
.sunday...west winds 5 to 10 knots. waves 2 feet or less. 
.sunday night...west winds 10 knots or less becoming south. waves
1 foot or less. 
.monday...southeast winds 5 to 10 knots. showers likely. waves
1 foot or less. 
.monday night...east winds 5 to 10 knots becoming north. showers
likely in the evening, then a chance of showers overnight. waves
1 foot or less. 
.tuesday...northwest winds 5 to 10 knots. waves 2 feet or less. 
.wednesday...west winds 10 knots or less becoming south. a chance
of showers wednesday night. waves 1 foot or less. 
.thursday...southeast winds 10 knots or less becoming southwest.
a chance of showers during the day, then showers likely thursday
night. waves 1 foot or less. 

$$

fzus61 kcle 210752
glfle 
expires:202606211430;;115260

open lake forecast for lake erie
national weather service cleveland oh
352 am edt sun jun 21 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 30.00 inches over lake erie this morning will drift
east today as low pressure 29.50 inches moves out of the
mississippi valley tonight and passes just south of the lake 
monday while weakening to 29.70 inches. this low will drag a cold
front across the lake monday. a weak trough averaging 30.00 inches
will linger over the lake monday night before a ridge averaging 
30.10 inches builds down across the great lakes tuesday through
wednesday. this ridge will depart by thursday as low pressure
29.80 inches moves into the northern great lakes and pushes a cold
front across lake erie.


lez061-168-169-211430-
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-
352 am edt sun jun 21 2026

.today...northwest winds 10 knots or less becoming west. a slight
chance of showers early. waves 1 foot or less. 
.tonight...southwest winds 10 knots or less becoming east. a
slight chance of rain late in the evening. a chance of rain after
midnight, then rain late. waves 1 foot or less. 
.monday...east winds 15 to 20 knots becoming northeast. showers.
waves 1 to 3 feet building to 3 to 5 feet. 
.monday night...northeast winds 15 to 20 knots becoming north
5 to 15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...north winds 5 to 10 knots. waves 2 feet or less. 
.wednesday...northwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.thursday...south winds 5 to 10 knots becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$