Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

317
FZUS61 KBUF 051449
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
949 AM EST MON DEC 5 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A WEAK 29.9 INCH TROUGH WILL CROSS THE LAKE THIS
MORNING. IN ITS WAKE...A 30.2 INCH HIGH WILL QUICKLY BUILD ACROSS
THE LOWER LAKES REGION THIS AFTERNOON AND TONIGHT...BEFORE EXITING
ACROSS THE SAINT LAWRENCE VALLEY ON TUESDAY. ANOTHER 29.9 INCH
TROUGH WILL THEN CROSS THE LAKE TUESDAY NIGHT AND EARLY WEDNESDAY...
WITH REMNANT BROAD TROUGHING THEN EXPECTED TO PERSIST ACROSS
THE LAKE THROUGH FRIDAY AS A 29.5 INCH LOW MEANDERS ITS WAY
ACROSS NORTHERN ONTARIO AND QUEBEC.

LOZ062-052230-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
949 AM EST MON DEC 5 2016

.REST OF TODAY...WEST WINDS TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF RAIN LATE THIS MORNING. WAVES 3 TO 6 FEET.
.TONIGHT...WEST WINDS 10 TO 15 KNOTS BECOMING LIGHT AND VARIABLE.
WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS. A CHANCE OF RAIN IN THE AFTERNOON. WAVES 1 FOOT OR LESS
BUILDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING
SOUTHWEST. RAIN IN THE EVENING...THEN A CHANCE OF RAIN OVERNIGHT.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN SHOWERS
DURING THE DAY...THEN A CHANCE OF SNOW SHOWERS WEDNESDAY NIGHT.
WAVES 3 TO 6 FEET.
.THURSDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST. A
CHANCE OF SNOW SHOWERS DURING THE DAY...THEN SNOW SHOWERS LIKELY
THURSDAY NIGHT. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY.
WAVES 3 TO 6 FEET.

$$

LOZ063>065-052230-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
949 AM EST MON DEC 5 2016

.REST OF TODAY...WEST WINDS TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. RAIN SHOWERS LIKELY LATE THIS MORNING...THEN A CHANCE
OF RAIN SHOWERS THIS AFTERNOON. WAVES 3 TO 5 FEET BUILDING TO
4 TO 7 FEET.
.TONIGHT...WEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS IN THE EVENING. WAVES
3 TO 6 FEET SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST AND
INCREASING TO 15 TO 20 KNOTS. A CHANCE OF RAIN IN THE AFTERNOON.
WAVES 1 FOOT OR LESS BUILDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING
SOUTHWEST. RAIN. WAVES 2 TO 4 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN SHOWERS
DURING THE DAY...THEN SNOW SHOWERS LIKELY WITH A CHANCE OF RAIN
SHOWERS WEDNESDAY NIGHT. WAVES 3 TO 6 FEET BUILDING TO 4 TO
7 FEET.
.THURSDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST. LAKE
EFFECT SNOW. WAVES 5 TO 8 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS. LAKE EFFECT SNOW DURING
THE DAY...THEN SNOW SHOWERS LIKELY FRIDAY NIGHT. WAVES 4 TO
7 FEET SUBSIDING TO 3 TO 6 FEET.

$$

LOZ061-052230-
MAFOR 0516/
ONTARIO WEST 1/2 11640 11630 11620 12610 11500 11200 11220. WAVES
3 TO 5 FEET BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO 6
FEET THIS AFTERNOON. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET
TONIGHT. WAVES 1 FOOT OR LESS BUILDING TO 1 TO 3 FEET TUESDAY
MORNING.

ONTARIO EAST 1/2 11640 11630 12620 11610 11700 11200 11310. A
CHANCE OF SHOWERS LATE THIS MORNING. WAVES 3 TO 5 FEET BUILDING
TO 4 TO 7 FEET THIS AFTERNOON. WAVES 3 TO 6 FEET SUBSIDING TO 1
TO 3 FEET TONIGHT. WAVES 2 FEET OR LESS TUESDAY MORNING.

$$


JJR/RSH/WCH



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.