Great Lakes Forecast
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140
FZUS61 KBUF 250008
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
808 PM EDT Mon Jul 24 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 29.7 inch low will slowly drift off to the east
tonight and Tuesday. Meanwhile...a 30.2 inch high will ridge from
Hudson Bay to the Upper Great Lakes today...before extending
across the Lower Great Lakes Tuesday. This high will then drift to
the New England coastline Wednesday...with a cold front expected
to cross the Lower Lakes region on Thursday.

LOZ062-250315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
808 PM EDT Mon Jul 24 2017

.TONIGHT...North winds 15 to 20 knots. A chance of showers early.
Waves 2 to 4 feet building to 3 to 5 feet.
.TUESDAY...North winds 15 to 20 knots becoming northeast and
diminishing to 5 to 10 knots. Waves 3 to 5 feet subsiding to 2 to
4 feet.
.TUESDAY NIGHT...East winds 10 knots or less becoming south.
Waves 1 to 3 feet subsiding to 1 foot or less.
.WEDNESDAY...South winds 5 to 10 knots becoming west. Waves
1 foot or less.
.WEDNESDAY NIGHT...South winds 5 to 15 knots becoming southwest
15 to 20 knots. A chance of showers overnight. Waves 2 feet or
less.
.THURSDAY...West winds 15 to 25 knots becoming north. Showers and
thunderstorms likely. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.FRIDAY...North winds 5 to 15 knots becoming northeast. A chance
of showers during the day. Waves 1 to 3 feet.
.SATURDAY...Northeast winds 10 knots or less becoming north.
Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-250315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
808 PM EDT Mon Jul 24 2017

.TONIGHT...North winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers early...then a chance of showers
and drizzle after midnight. Waves 2 feet or less building to 3 to
5 feet.
.TUESDAY...Northeast winds 15 to 25 knots diminishing to 10 to
15 knots. A chance of drizzle and showers early...then a chance
of drizzle late in the morning. Waves 3 to 6 feet.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots becoming south.
Waves 2 to 4 feet subsiding to 2 feet or less.
.WEDNESDAY...South winds 5 to 10 knots. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds 5 to 15 knots becoming
southwest. A chance of showers overnight. Waves 1 to 3 feet.
.THURSDAY...Southwest winds 15 to 25 knots becoming north.
Showers and thunderstorms likely. Waves 3 to 6 feet subsiding to
1 to 3 feet.
.FRIDAY...North winds 15 to 20 knots diminishing to 5 to
15 knots. A chance of showers during the day. Waves 1 to 3 feet.
.SATURDAY...Northeast winds 10 knots or less becoming north.
Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-250315-
MAFOR 2421/
ONTARIO WEST 1/2 11810 14820 12120 11110. A chance of showers
early this evening. Waves 1 foot or less building to 3 to 5 feet
tonight. Waves 3 to 6 feet Tuesday.

ONTARIO EAST 1/2 11710 11110 11810 11820 11120 11130 12120. A
chance of showers this evening...then a chance of showers and
drizzle overnight. A chance of showers Tuesday morning. Waves 2
feet or less building to 3 to 5 feet tonight. Waves 3 to 6 feet
Tuesday.

$$



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