fzus61 kbuf 160201
glflo 
expires:202505160900;;583676

open lake forecast for lake ontario
national weather service buffalo ny
1001 pm edt thu may 15 2025

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 broad, weak 29.8 inch low will move from the mid 
atlantic to new england by friday. meanwhile, a 29.0 inch low over 
the upper midwest friday will weaken to 29.3 inches as it moves east 
over the upper great lakes by saturday morning, before entering into 
central quebec sunday. the lake will be on the southern periphery of 
a large 30.6 inch ridge centered over the hudson bay on monday.


loz062-160900-
lake ontario open waters from the niagara river to hamlin beach-
1001 pm edt thu may 15 2025

.overnight...east winds 5 to 10 knots. areas of fog.
showers likely with a chance of thunderstorms late. waves 1 foot
or less. 
.friday...southeast winds 5 to 10 knots becoming southwest.
patchy fog early. showers with a chance of thunderstorms in the
morning. waves 1 foot or less. 
.friday night...southwest winds 5 to 10 knots becoming southeast.
showers likely overnight. waves 1 to 2 feet. 
.saturday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. showers with a chance of thunderstorms. waves 1 to
3 feet building to 3 to 5 feet. 
.saturday night...west winds 15 to 20 knots. showers likely in
the evening, then a chance of showers overnight. waves 3 to
5 feet. 
.sunday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.monday...northwest winds 10 to 15 knots becoming north. waves
2 to 3 feet. 
.tuesday...north winds 10 to 15 knots becoming northeast. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 160201
glflo 
expires:202505160900;;583677

open lake forecast for lake ontario
national weather service buffalo ny
1001 pm edt thu may 15 2025

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 broad, weak 29.8 inch low will move from the mid 
atlantic to new england by friday. meanwhile, a 29.0 inch low over 
the upper midwest friday will weaken to 29.3 inches as it moves east 
over the upper great lakes by saturday morning, before entering into 
central quebec sunday. the lake will be on the southern periphery of 
a large 30.6 inch ridge centered over the hudson bay on monday.


loz063>065-160900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1001 pm edt thu may 15 2025

.overnight...southeast winds 10 knots or less. areas of
fog. a chance of showers late. waves 1 foot or less. 
.friday...southeast winds 5 to 10 knots becoming southwest. areas
of fog early. showers with a chance of thunderstorms through
early afternoon, then a chance of showers late. waves 1 foot or
less. 
.friday night...south winds 5 to 10 knots becoming southeast. a
chance of showers in the evening, then a chance of showers and
thunderstorms overnight. waves 1 foot or less. 
.saturday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. showers with a chance of thunderstorms. waves 1 to
3 feet building to 2 to 4 feet. 
.saturday night...southwest winds 15 to 20 knots becoming west.
showers likely in the evening, then a chance of showers
overnight. waves 2 to 4 feet building to 3 to 5 feet. 
.sunday...west winds 15 to 20 knots becoming northwest. a chance
of showers. waves 3 to 6 feet. 
.monday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...north winds 5 to 15 knots becoming northeast. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 160149
glfle 
expires:202505160830;;583112

open lake forecast for lake erie
national weather service cleveland oh
949 pm edt thu may 15 2025

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 warm front moves northeast across lake erie tonight, followed by
a cold front friday morning. during friday night through saturday
night, an occluded low should move generally eastward across the 
northern great lakes to southern quebec. this low track will allow
a warm front to lift north across the area friday evening,
followed by a cold front sweeping eastward across lake erie on 
saturday. behind the cold front, a trough averaging 29.80 inches 
lingers over lake erie before a ridge averaging 30.00 inches 
builds from the west by this monday and tuesday.


lez061-168-169-160830-
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-
949 pm edt thu may 15 2025

.overnight...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. 
.friday...south winds 10 to 15 knots becoming southwest. a chance
of showers and thunderstorms early. waves 1 to 3 feet. 
.friday night...south winds 5 to 15 knots. a chance of showers in
the evening, then showers likely overnight. waves 1 to 2 feet. 
.saturday...south winds 10 to 15 knots becoming west 15 to
20 knots. showers likely with a chance of thunderstorms. waves
1 to 3 feet building to 2 to 4 feet. 
.saturday night...west winds 15 to 25 knots. a chance of showers
in the evening. waves 4 to 7 feet. waves occasionally around
9 feet. 
.sunday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 3 to 6 feet subsiding to 1 to 2 feet. 
.monday...north winds 5 to 10 knots becoming northeast. waves
2 feet or less. 
.tuesday...northeast winds 5 to 15 knots becoming east. a chance
of showers tuesday night. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$