Marine Forecast Map
Click on any of the red dots to view the marine forecast for that area.
Major US Cities
Marine Forecast Report


FZUS61 KBUF 220224
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1024 PM EDT Fri Sep 21 2018

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 29.2 inch low just south of James Bay will move into
central Quebec tonight deepening to 28.9 inches. The storm system
will push a strong cold front across the lake this evening. A
30.2 inch high will then build across all of the Great Lakes during
the weekend. The large area of high pressure will exit across the
Canadian maritimes Monday and Monday night.

LOZ062-220915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1024 PM EDT Fri Sep 21 2018

.REST OF TONIGHT...West winds to 30 knots becoming northwest.
Waves 6 to 10 feet. Waves occasionally around 13 feet.
.SATURDAY...North winds 15 to 20 knots becoming southeast and
diminishing to less than 10 knots in the afternoon. Waves 4 to
6 feet subsiding to 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds less than 10 knots becoming
west. Waves 2 feet or less.
.SUNDAY...Light and variable winds. Waves 1 foot or less.
.SUNDAY NIGHT...East winds 10 to 15 knots increasing to 15 to
20 knots. Waves 1 foot or less building to 3 to 6 feet.
.MONDAY...East winds 15 to 20 knots becoming south. A chance of
showers Monday night. Waves 3 to 6 feet subsiding to 2 to 4 feet.
.TUESDAY...South winds 15 to 20 knots becoming west. A chance of
showers during the day, then showers likely Tuesday night. Waves
2 to 4 feet.
.WEDNESDAY...West winds 5 to 10 knots becoming north. A chance of
showers during the day. Waves 1 to 3 feet.

$$

LOZ063>065-220915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1024 PM EDT Fri Sep 21 2018

.REST OF TONIGHT...West winds to 30 knots becoming northwest. A
chance of thunderstorms late this evening. A chance of showers
late. Waves 7 to 10 feet building to 9 to 12 feet. Waves
occasionally around 15 feet.
.SATURDAY...North winds 15 to 20 knots diminishing to 10 knots or
less. Waves 6 to 9 feet subsiding to 1 to 3 feet. Waves
occasionally around 11 feet.
.SATURDAY NIGHT...West winds 10 knots or less. Waves 2 feet or
less.
.SUNDAY...Southwest winds 10 knots or less becoming northeast.
Waves 1 foot or less.
.SUNDAY NIGHT...Northeast winds 15 to 25 knots becoming east.
Waves 1 to 3 feet building to 3 to 6 feet.
.MONDAY...East winds 15 to 20 knots becoming south. A chance of
showers Monday night. Waves 3 to 6 feet subsiding to 3 to 5 feet.
.TUESDAY...South winds 15 to 25 knots becoming southwest. A
chance of showers during the day, then showers likely Tuesday
night. Waves 3 to 6 feet.
.WEDNESDAY...West winds 5 to 15 knots becoming north. Showers
likely during the day. Waves 2 to 4 feet subsiding to 1 to
3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-220915-
MAFOR 2203/
ONTARIO WEST 1/2 12740 11820 11810 11100 11200 11400 11500. Waves
7 to 11 feet, and occasionally around 14 feet overnight. Waves 4
to 7 feet subsiding to 1 to 3 feet, and occasionally around 9
feet Saturday. Waves 2 feet or less Saturday evening.

ONTARIO EAST 1/2 11640 11740 11720 11820 11810 11800 12600. Waves
7 to 10 feet building to 9 to 12 feet, and occasionally around 15
feet overnight. Waves 6 to 9 feet subsiding to 1 to 3 feet, and
occasionally around 11 feet Saturday. Waves 2 feet or less
Saturday evening.

$$
More in Boat & Beach
Featured Tool:

View complete marine weather reports for various on and off-shore locations.
Boat & Beach Weather Maps
Advertisements