Great Lakes Forecast
Issued by NWS

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
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
000
FZUS61 KBUF 210544
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
144 AM EDT FRI APR 21 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...AN ELONGATED 29.8 INCH LOW DRAPED FROM LAKE HURON TO
LAKE ERIE WILL DRIFT INTO SOUTHERN QUEBEC THROUGH FRIDAY. AS THE
LOW MOVES FURTHER EAST ON SATURDAY...A 30.2 INCH HIGH OVER THE
UPPER MISSISSIPPI VALLEY WILL REACH TO THE EAST ACROSS THE LOWER
GREAT LAKES. HIGH PRESSURE WILL REMAIN IN CONTROL ACROSS LAKE
ONTARIO SUNDAY AND MONDAY.

LOZ062-063-210900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO SODUS BAY-
144 AM EDT FRI APR 21 2017

.OVERNIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST.
PATCHY FOG. A CHANCE OF SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO 1
TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS EARLY. WAVES 2 FEET OR LESS BUILDING TO 2 TO 4 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 20 KNOTS. WAVES 2 TO 4 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS. WAVES 2 TO 4 FEET SUBSIDING TO 2 FEET OR LESS.
.SATURDAY NIGHT...WEST WINDS 5 TO 10 KNOTS BECOMING NORTH. WAVES
1 FOOT OR LESS.
.SUNDAY...NORTHEAST WINDS 10 KNOTS OR LESS BECOMING NORTH 10 TO
15 KNOTS. WAVES 2 FEET OR LESS.
.MONDAY...NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH. WAVES
2 FEET OR LESS.

$$

LOZ064-065-210900-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE
RIVER-
144 AM EDT FRI APR 21 2017

.OVERNIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. SHOWERS LIKELY...
THEN A CHANCE OF SHOWERS LATE. PATCHY FOG LATE. WAVES 1 TO 3
FEET.
.FRIDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING WEST. A CHANCE OF
SHOWERS IN THE MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO
4 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST.
WAVES 2 TO 4 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 10 KNOTS BECOMING NORTH. WAVES
1 FOOT OR LESS.
.SUNDAY...NORTH WINDS 10 KNOTS OR LESS INCREASING TO 10 TO
15 KNOTS. WAVES 2 FEET OR LESS.
.MONDAY...NORTH WINDS 15 TO 20 KNOTS BECOMING EAST 5 TO 15 KNOTS.
WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH. WAVES
2 FEET OR LESS.

$$

LOZ061-210900-
MAFOR 2106 AMD/
ONTARIO WEST 1/2 11210 11510 11520 11620 11610 11620 11610. A
CHANCE OF SHOWERS OVERNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET OVERNIGHT. WAVES 2 FEET OR LESS BUILDING TO 2 TO 4 FEET
FRIDAY. WAVES 2 TO 4 FEET FRIDAY EVENING.

ONTARIO EAST 1/2 11320 11420 11520 12620 11610 11620. A CHANCE OF
SHOWERS OVERNIGHT AND FRIDAY MORNING. WAVES 1 TO 3 FEET
OVERNIGHT BUILDING TO 2 TO 4 FEET FRIDAY. WAVES 2 TO 4 FEET
FRIDAY EVENING.

$$

JJR


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