View the latest observations near Atlantic Tropical Storm Philippe and East Pacific Tropical Storm Lidia.
National Weather Service Marine Forecast FZUS61 KBUF
FZUS61 KBUF 032032
GLFLO
Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
432 PM EDT Tue Oct 3 2023
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 30.3 inch high across the lower Great Lakes
will push southeast across the Mid Atlantic through Wednesday
before becoming anchored over the Canadian maritimes Thursday and
Thursday night. A 29.6 inch surface low will cross southern
Ontario and Quebec Friday and Friday night, while also dragging a
strong cold front across the lake. While this surface low will
stall near Quebec on Saturday the cold front will push well east
of the lake.
LOZ062-040330
Lake Ontario open waters from the Niagara River to Hamlin Beach
432 PM EDT Tue Oct 3 2023
TONIGHT
South winds less than 10 knots. Waves 1 foot or less.
WEDNESDAY
Light and variable winds becoming east 5 to 10
knots. Waves 1 foot or less.
WEDNESDAY NIGHT
East winds 10 knots or less becoming south.
Waves 1 foot or less.
THURSDAY
South winds 15 to 20 knots diminishing to 10 to 15
knots. Waves 1 to 3 feet.
THURSDAY NIGHT
South winds 10 to 15 knots increasing to 15 to
20 knots. Showers. Waves 1 to 3 feet.
FRIDAY
South winds 15 to 20 knots becoming west 10 to 15
knots. Showers. Waves 2 to 4 feet.
SATURDAY
West winds 15 to 20 knots. Showers. Waves 2 to 4 feet
building to 3 to 6 feet.
SUNDAY
West winds 15 to 25 knots. Showers likely. Waves 4 to
7 feet subsiding to 3 to 6 feet. Waves occasionally around
9 feet.
LOZ063>065-040330
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River
432 PM EDT Tue Oct 3 2023
TONIGHT
Southwest winds 5 to 10 knots becoming light and
variable. Waves 1 foot or less.
WEDNESDAY
Southeast winds 10 knots or less becoming east.
Waves 1 foot or less.
WEDNESDAY NIGHT
Southeast winds 5 to 15 knots becoming south.
Waves 2 feet or less.
THURSDAY
South winds 15 to 20 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
THURSDAY NIGHT
South winds 15 to 25 knots. A chance of showers
in the evening, then showers likely overnight. Waves 2 to 4 feet
building to 3 to 5 feet.
FRIDAY
South winds 15 to 25 knots becoming southwest and
diminishing to 10 to 15 knots. Showers. Waves 3 to 6 feet
subsiding to 2 to 4 feet.
SATURDAY
West winds 15 to 20 knots. Showers. Waves 2 to 4 feet
building to 3 to 6 feet.
SUNDAY
West winds 15 to 25 knots. Showers likely. Waves 5 to
8 feet. Waves occasionally around 10 feet.
LOZ061-040330
MAFOR 0321/
ONTARIO WEST 1/2 11500 11400 11500 11600 11200 11300 12200. Waves
1 foot or less.
ONTARIO EAST 1/2 11500 14400 11400 11300 11200. Waves 1 foot or less.