FZUS61 KBUF 120221
GLFLO 

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1021 PM EDT Sat Jul 11 2020

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 wavy front boundary will move east of the lake
overnight. A second frontal boundary will make its way across the
lake on Sunday. A large 29.9 inch high centered over the Upper 
Great Lakes Sunday night will gradually build across all of the 
Great Lakes region Monday and Tuesday. The high will cross New 
England the St Lawrence valley on Wednesday.

LOZ062-120915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1021 PM EDT Sat Jul 11 2020

.OVERNIGHT...Northwest winds 10 to 15 knots becoming west 15 to 
20 knots. A chance of showers. Waves 3 to 6 feet. 
.SUNDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. 
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to 3 
feet.
.MONDAY...Northwest winds 10 to 15 knots becoming west. A chance
of showers. Waves 1 to 3 feet. 
.MONDAY NIGHT...Northwest winds 10 to 15 knots. A chance of
showers in the evening. Waves 1 to 3 feet. 
.TUESDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less. 
.WEDNESDAY...Southwest winds 5 to 10 knots. A chance of showers 
Wednesday night. Waves 1 foot or less. 
.THURSDAY...Southwest winds 5 to 10 knots. A chance of showers. 
Waves 1 foot or less. 

$$

LOZ063>065-120915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1021 PM EDT Sat Jul 11 2020

.OVERNIGHT...West winds 15 to 25 knots. Occasional rain with a 
chance of thunderstorms through 2 AM. A chance of showers late. 
Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally 
around 9 feet.
.SUNDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 3 to 5 feet. 
.SUNDAY NIGHT...West winds 10 to 15 knots. A chance of showers.
Waves 1 to 3 feet. 
.MONDAY...West winds 10 to 15 knots. A chance of showers. Waves
2 feet or less building to 2 to 4 feet. 
.MONDAY NIGHT...West winds 10 to 15 knots becoming northwest. A
chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet. 
.TUESDAY...Northwest winds 5 to 10 knots. A chance of showers. 
Waves 2 feet or less. 
.WEDNESDAY...Southwest winds 10 knots or less. A chance of 
showers Wednesday night. Waves 1 foot or less. 
.THURSDAY...Southwest winds 5 to 10 knots. A chance of showers.
Waves 2 feet or less. 

Winds and waves higher in and near thunderstorms.

$$

LOZ061-120915-
MAFOR 1203/
ONTARIO WEST 1/2 13620 14610 11710. A chance of showers overnight.
Waves 3 to 6 feet overnight. Waves 3 to 5 feet subsiding to 1 to 
3 feet Sunday. Waves 1 to 3 feet Sunday evening. 

ONTARIO EAST 1/2 11630 12620 12610 11620 11610 11600. A chance of
thunderstorms late this evening, then a chance of showers
overnight. Waves 3 to 6 feet building to 4 to 7 feet, and
occasionally around 9 feet overnight. Waves 3 to 5 feet subsiding
to 2 to 4 feet Sunday. Waves 1 to 3 feet Sunday evening. 

$$