National Weather Service Marine Forecast FZUS61 KBUF

FZUS61 KBUF 031053
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
653 AM EDT Mon Aug 3 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 29.6 inch low across eastern Quebec this morning
will exit into the Canadian Maritimes this afternoon. A 30.2 inch
high will build into the Western Great Lakes and Upper Plains
tonight through Wednesday. Meanwhile, Tropical Storm Isaias will
track along the eastern seaboard. A 30.3 inch high will then build
across the Great Lakes on Thursday.

LOZ062-031515-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
653 AM EDT Mon Aug 3 2020

TODAY
West winds 15 to 20 knots becoming northeast and
diminishing to less than 10 knots this afternoon. A chance of
showers and thunderstorms this afternoon. Waves 3 to 5 feet
subsiding to 2 feet or less.

TONIGHT
East winds 5 to 10 knots becoming southeast. A chance
of showers and thunderstorms early, then showers likely with a
chance of thunderstorms late in the evening. Showers likely after
midnight. Waves 1 foot or less.

TUESDAY
South winds less than 10 knots. Showers likely in the
morning, then showers likely with a chance of thunderstorms in
the afternoon. Waves 1 foot or less.

TUESDAY NIGHT
Northwest winds 5 to 15 knots. Showers likely
with a chance of thunderstorms in the evening, then a chance of
showers and thunderstorms overnight. Waves 1 to 3 feet.

WEDNESDAY
Northwest winds 5 to 15 knots becoming west. A
chance of showers during the day. Waves 1 to 3 feet.

THURSDAY
West winds 10 knots or less becoming southwest. Waves
2 feet or less.

FRIDAY
Northeast winds less than 10 knots becoming south.
Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

LOZ063>065-031515-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
653 AM EDT Mon Aug 3 2020

TODAY
West winds 15 to 25 knots becoming northwest and
diminishing to 5 to 10 knots. A chance of waterspouts this
morning. A chance of showers early. A chance of thunderstorms
late. Waves 6 to 9 feet subsiding to 1 to 3 feet. Waves
occasionally around 11 feet.

TONIGHT
East winds 5 to 10 knots becoming southeast. A chance
of showers and thunderstorms in the evening, then a chance of
showers after midnight. Waves 2 feet or less.

TUESDAY
South winds 5 to 15 knots. Showers in the morning,
then showers with a chance of thunderstorms in the afternoon.
Waves 2 feet or less.

TUESDAY NIGHT
Southwest winds 5 to 15 knots becoming
northwest. Showers likely with a chance of thunderstorms. Waves
1 to 3 feet.

WEDNESDAY
Northwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers during the day. Waves 2 to 4 feet
subsiding to 1 to 3 feet.

THURSDAY
West winds 5 to 10 knots becoming southwest. Waves
2 feet or less.

FRIDAY
Southwest winds less than 10 knots becoming south.
Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

LOZ061-031515-
MAFOR 0309/
ONTARIO WEST 1/2 11630 11620 11600 11800 11200 11300 12306. A
chance of thunderstorms this afternoon and evening. Waves 5 to 8
feet subsiding to 1 to 3 feet, and occasionally around 10 feet
today. Waves 1 foot or less tonight.

ONTARIO EAST 1/2 11630 11620 11610 11600 11800 12200 11300. A
chance of waterspouts this morning. A chance of showers and
thunderstorms this evening, then a chance of showers overnight.
Waves 6 to 10 feet subsiding to 1 to 3 feet, and occasionally
around 13 feet today. Waves 2 feet or less tonight.