fzus61 kbuf 272003
glflo 
expires:202607280300;;711345

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt mon jul 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 29.5 inch low over the western central great lakes 
this evening will strengthen to 29.3 inches while moving southeast 
into the lower great lakes tonight and tuesday. a cold front 
associated with this low will swing across the lake late tuesday and 
tuesday night. the low will then weaken to 29.6 inches while 
drifting east into new england by wednesday, before entering the 
northern atlantic thursday and friday. meanwhile a 30.0 inch high 
will slide across the great lakes thursday and friday.


loz062-280300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt mon jul 27 2026

.tonight...southeast winds 5 to 15 knots becoming south. a chance
of showers and thunderstorms early, then showers with a chance of
thunderstorms from late evening on. waves 2 feet or less. 
.tuesday...southeast winds 10 to 15 knots becoming north 15 to
20 knots. showers with a chance of thunderstorms through early
afternoon, then a chance of showers and thunderstorms late. waves
1 to 3 feet building to 2 to 4 feet. 
.tuesday night...north winds 15 to 25 knots. showers likely with
a chance of thunderstorms in the evening, then showers likely
overnight. waves 2 to 4 feet building to 3 to 6 feet. 
.wednesday...north winds 15 to 25 knots. showers in the morning,
then showers with a chance of thunderstorms in the afternoon.
waves 3 to 6 feet. 
.wednesday night...north winds 15 to 20 knots. showers with a
chance of thunderstorms in the evening, then showers likely
overnight. waves 2 to 4 feet. 
.thursday...north winds 5 to 15 knots becoming northwest. a
chance of showers during the day. waves 1 to 3 feet subsiding to
1 foot or less. 
.friday...northwest winds less than 10 knots becoming southwest.
waves 1 foot or less. 
.saturday...south winds less than 10 knots. a chance of showers
saturday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 272003
glflo 
expires:202607280300;;711346

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt mon jul 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 29.5 inch low over the western central great lakes 
this evening will strengthen to 29.3 inches while moving southeast 
into the lower great lakes tonight and tuesday. a cold front 
associated with this low will swing across the lake late tuesday and 
tuesday night. the low will then weaken to 29.6 inches while 
drifting east into new england by wednesday, before entering the 
northern atlantic thursday and friday. meanwhile a 30.0 inch high 
will slide across the great lakes thursday and friday.


loz063>065-280300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 pm edt mon jul 27 2026

.tonight...southeast winds 5 to 15 knots becoming south. a chance
of showers and thunderstorms. showers with a chance of
thunderstorms late. waves 2 feet or less. 
.tuesday...south winds 15 to 20 knots becoming northeast. showers
with a chance of thunderstorms. waves 1 to 3 feet building to
2 to 4 feet, then subsiding to 1 to 3 feet. 
.tuesday night...north winds 15 to 25 knots. showers with a
chance of thunderstorms. waves 2 to 4 feet building to 3 to
6 feet. 
.wednesday...north winds 15 to 25 knots. showers in the morning,
then showers with a chance of thunderstorms in the afternoon.
waves 3 to 6 feet. 
.wednesday night...north winds 15 to 20 knots. showers with a
chance of thunderstorms in the evening, then showers overnight.
waves 3 to 5 feet subsiding to 2 to 4 feet. 
.thursday...north winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of showers during the day. waves 2 to 4 feet
subsiding to 1 foot or less. 
.friday...north winds 10 knots or less becoming southwest. waves
1 foot or less. 
.saturday...south winds less than 10 knots. waves 1 foot or less.

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 272001
glfle 
expires:202607280230;;711263

open lake forecast for lake erie
national weather service cleveland oh
401 pm edt mon jul 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...
low pressure 29.70 inches will move east across lake erie tonight
followed by a cold front during the day tuesday. a trough 
averaging 29.80 inches will linger over the lake through thursday
before a ridge averaging 30.00 inches builds east across the 
region thursday and friday. the high will drift east on saturday 
as low pressure 29.90 inches moves east across the tennessee and 
ohio valleys.


lez164>168-280230-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm 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-
401 pm edt mon jul 27 2026

.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers with a chance of thunderstorms. waves 1 to
3 feet building to 3 to 5 feet. 
.tuesday...northwest winds 15 to 25 knots. a chance of showers
with a slight chance of thunderstorms early. a slight chance of
showers and thunderstorms late. waves 3 to 6 feet building to
4 to 7 feet. waves occasionally around 9 feet. 
.tuesday night...northwest winds 20 to 25 knots becoming north.
waves 4 to 7 feet. waves occasionally around 9 feet. 
.wednesday...north winds 15 to 25 knots becoming northwest. waves
4 to 7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet. 
.wednesday night...north winds 15 to 25 knots. waves 3 to 6 feet
subsiding to 2 to 4 feet. 
.thursday...north winds 5 to 15 knots. waves 1 to 3 feet. 
.friday...northwest winds less than 10 knots becoming south.
waves 1 foot or less. 
.saturday...south winds 10 knots or less becoming southeast. a
chance of showers saturday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 272001
glfle 
expires:202607280230;;711264

open lake forecast for lake erie
national weather service cleveland oh
401 pm edt mon jul 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...
low pressure 29.70 inches will move east across lake erie tonight
followed by a cold front during the day tuesday. a trough 
averaging 29.80 inches will linger over the lake through thursday
before a ridge averaging 30.00 inches builds east across the 
region thursday and friday. the high will drift east on saturday 
as low pressure 29.90 inches moves east across the tennessee and 
ohio valleys.


lez061-169-280230-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
401 pm edt mon jul 27 2026

.tonight...south winds 5 to 15 knots becoming southwest 15 to
20 knots. showers with a chance of thunderstorms early, then a
chance of showers and thunderstorms late this evening. showers
with a chance of thunderstorms after midnight. waves 1 to 3 feet.
.tuesday...southwest winds 10 to 15 knots becoming northwest
15 to 20 knots. showers likely with a chance of thunderstorms
early, then a chance of showers with a slight chance of
thunderstorms. showers likely with a chance of thunderstorms
late. waves 2 to 4 feet building to 3 to 5 feet. 
.tuesday night...northwest winds 15 to 25 knots becoming north.
showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight. waves 3 to 5 feet. 
.wednesday...north winds 15 to 25 knots becoming northwest. a
chance of showers. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.wednesday night...north winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers in the evening. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.thursday...north winds 5 to 15 knots. waves 2 feet or less. 
.friday...northwest winds less than 10 knots becoming south.
waves 1 foot or less. 
.saturday...south winds less than 10 knots becoming southeast. a
chance of showers saturday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$