National Weather Service Marine Forecast FZUS61 KBUF

FZUS61 KBUF 211034
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
634 AM EDT Thu Mar 21 2019

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 29.9 inch low over Lower Michigan will drift slowly
eastward across the Great Lakes today. This low will then give
way to a strengthening coastal low over the Delmarva region
tonight, which will rapidly deepen to 28.9 inches as it tracks
northeastward into Maine by Friday night. In the wake of this low,
a 30.3 inch high will slide from the Upper Lakes Friday night to
the Carolina coastline on Sunday.

LOZ062-211500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
634 AM EDT Thu Mar 21 2019

TODAY
South winds 5 to 15 knots becoming southwest less than
10 knots. A chance of rain showers through early afternoon, then
a chance of sprinkles late. Waves 2 feet or less.

TONIGHT
Light and variable winds becoming west 10 to 15 knots.
A chance of sprinkles early, then a chance of rain showers from
late evening on. Waves 2 feet or less.

FRIDAY
West winds 10 to 15 knots becoming northwest and
increasing to 30 knots in the afternoon. A chance of rain and
snow showers in the morning, then a chance of snow showers in the
afternoon. Waves 1 to 2 feet building to 5 to 8 feet. Waves
occasionally around 10 feet.

FRIDAY NIGHT
Northwest winds to 30 knots. A chance of snow
showers. Waves 6 to 10 feet. Waves occasionally around 13 feet.

SATURDAY
Northwest winds to 30 knots becoming west 15 to
25 knots. A chance of snow showers during the day. Waves 6 to
10 feet subsiding to 3 to 5 feet. Waves occasionally around
13 feet.

SUNDAY
West winds 15 to 20 knots becoming northwest and
diminishing to around 10 knots. A chance of rain showers Sunday
night. Waves 2 to 4 feet.

MONDAY
North winds 10 to 15 knots. A chance of rain and snow
showers during the day. Waves 2 to 3 feet.

LOZ063>065-211500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
634 AM EDT Thu Mar 21 2019

TODAY
South winds 10 to 15 knots. A chance of rain showers.
Waves 1 to 3 feet.

TONIGHT
South winds 5 to 15 knots becoming west. A chance of
rain showers early, then rain showers likely from late evening
on. Waves 2 feet or less.

FRIDAY
West winds 10 to 15 knots becoming northwest and
increasing to 30 knots in the afternoon. Snow and rain showers.
Waves 1 to 3 feet building to 5 to 8 feet. Waves occasionally
around 10 feet.

FRIDAY NIGHT
Northwest winds to 30 knots. Snow showers. Waves
7 to 11 feet. Waves occasionally around 14 feet.

SATURDAY
Northwest winds to 30 knots becoming west and
diminishing to 15 to 20 knots. Snow showers likely during the
day. Waves 7 to 11 feet subsiding to 4 to 7 feet. Waves
occasionally around 14 feet.

SUNDAY
West winds 15 to 20 knots diminishing to 5 to 15 knots.
A chance of rain and snow showers Sunday night. Waves 2 to 4 feet
subsiding to 1 to 3 feet.

MONDAY
North winds 10 to 15 knots. A chance of snow and rain
showers during the day. Waves 1 to 3 feet.

LOZ061-211500-
MAFOR 2112 AMD/
ONTARIO WEST 1/2 12410 12400 11500 11600 11710. A chance of rain
showers. Waves 1 to 3 feet today. Waves 2 feet or less tonight.

ONTARIO EAST 1/2 12410 11400 12410 11406 11510. Waves 1 to 3 feet
today. Waves 2 feet or less tonight.

JJR/RSH