Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 162335
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
635 PM EST Thu Nov 16 2017

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 over Quebec will weaken and and move east
across Maine tonight. A 30.2 inch high will approach from the
Upper Great Lakes tonight. The high will cross the lake on Friday
then will exit across New England Friday night as a 29.3 inch low
will consolidate over the mid western states. The storm system
will strengthen to 28.9 inches on Saturday as it will pass to the
west of the lake. The storm will maintain its strength on Sunday
when it will move to central Quebec.

LOZ062-170415-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
635 PM EST Thu Nov 16 2017

.TONIGHT...Northwest winds to 30 knots diminishing to 15 to
20 knots. Waves 6 to 9 feet subsiding to 4 to 7 feet. Waves
occasionally around 11 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming southwest 5 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.FRIDAY NIGHT...South winds 5 to 15 knots becoming southeast.
Occasional rain overnight. Waves 1 to 3 feet.
.SATURDAY...South winds 10 to 15 knots. Rain. Waves 1 to 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots becoming northwest
and increasing to 30 knots overnight. Showers. Waves 2 feet or
less building to 5 to 8 feet. Waves occasionally around 10 feet.
.SUNDAY...Northwest winds to 30 knots diminishing to 15 to
25 knots. Lake effect snow and rain showers during the day, then
lake effect snow showers Sunday night. Waves 7 to 10 feet
subsiding to 5 to 8 feet. Waves occasionally around 13 feet.
.MONDAY...West winds 15 to 25 knots becoming southwest. Snow
showers likely during the day. Waves 3 to 6 feet.
.TUESDAY...Southwest winds to 30 knots becoming west. A chance of
rain showers Tuesday night. Waves 3 to 6 feet building to 6 to
9 feet, then subsiding to 4 to 7 feet. Waves occasionally around
11 feet.

$$

LOZ063>065-170415-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
635 PM EST Thu Nov 16 2017

.TONIGHT...Northwest winds to 30 knots diminishing to 15 to
25 knots. A chance of rain showers this evening. Waves 7 to
11 feet subsiding to 6 to 9 feet. Waves occasionally around
14 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves
occasionally around 9 feet.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots becoming southeast
and increasing to 15 to 20 knots. A chance of rain showers
overnight. Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY...South winds 15 to 20 knots. Rain. Waves 2 to 4 feet
building to 3 to 5 feet.
.SATURDAY NIGHT...South winds 15 to 25 knots becoming west to
30 knots. Showers. Waves 3 to 5 feet building to 5 to 8 feet.
Waves occasionally around 10 feet.
.SUNDAY...Northwest winds to 30 knots. Lake effect rain and snow
showers during the day, then lake effect snow showers Sunday
night. Waves 7 to 11 feet subsiding to 6 to 9 feet. Waves
occasionally around 14 feet.
.MONDAY...West winds 15 to 25 knots becoming southwest.
Occasional lake effect snow during the day, then a chance of snow
showers Monday night. Waves 3 to 6 feet building to 4 to 7 feet,
then subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.TUESDAY...Southwest winds 15 to 25 knots becoming west to
30 knots. A chance of rain showers Tuesday night. Waves 3 to
6 feet building to 6 to 10 feet, then subsiding to 5 to 8 feet.
Waves occasionally around 13 feet.

$$

LOZ061-170415-
MAFOR 1622/
ONTARIO WEST 1/2 13740 11730 11720 11710 12610. Waves 6 to 10
feet subsiding to 5 to 8 feet, and occasionally around 13 feet
tonight. Waves 3 to 6 feet subsiding to 1 to 3 feet Friday.

ONTARIO EAST 1/2 13740 11730 12720 11710 11610. A chance of rain
showers early this evening. Waves 7 to 11 feet subsiding to 6 to
9 feet, and occasionally around 14 feet tonight. Waves 4 to 7
feet subsiding to 1 to 3 feet, and occasionally around 9 feet
Friday.

$$



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