Great Lakes Forecast
Issued by NWS

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FZUS61 KBUF 200544
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
144 AM EDT SAT MAY 20 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 30.4 INCH HIGH WILL CROSS THE LOWER LAKES THROUGH
SATURDAY. THEN A 29.7 INCH LOW WILL DEVELOP NEAR MINNESOTA WHILE
THE SURFACE HIGH MOVES INTO NEW ENGLAND SATURDAY NIGHT AND SUNDAY.
A COLD FRONT WILL PUSH ACROSS THE LAKE SUNDAY NIGHT FOLLOWED BY
RIDGING ACROSS THE LAKE MONDAY AND TUESDAY. THEN A BROAD 29.5 INCH
LOW WILL GRADUALLY MOVE NEAR THE LOWER GREAT LAKES REGION ON
WEDNESDAY.

LOZ062-200915-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
144 AM EDT SAT MAY 20 2017

.OVERNIGHT...NORTHEAST WINDS 15 TO 20 KNOTS. WAVES 1 FOOT
OR LESS BUILDING TO 1 TO 3 FEET.
.SATURDAY...NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST. WAVES
2 TO 4 FEET.
.SATURDAY NIGHT...EAST WINDS 15 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.SUNDAY...EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS. SHOWERS WITH A CHANCE OF THUNDERSTORMS. WAVES 1 TO
3 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING
SOUTHWEST. SHOWERS WITH A CHANCE OF THUNDERSTORMS. WAVES 2 FEET
OR LESS.
.MONDAY...WEST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS. A CHANCE OF SHOWERS DURING THE DAY. WAVES 2 FEET OR
LESS.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST. A
CHANCE OF SHOWERS. WAVES 1 FOOT OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTH.
SHOWERS LIKELY. WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-200915-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
144 AM EDT SAT MAY 20 2017

.OVERNIGHT...NORTHEAST WINDS 15 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.SATURDAY...NORTHEAST WINDS 15 TO 20 KNOTS. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST.
WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHEAST WINDS 15 TO 20 KNOTS. SHOWERS LIKELY IN THE
MORNING...THEN SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH.
SHOWERS WITH A CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. SHOWERS LIKELY DURING THE DAY. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST. A
CHANCE OF SHOWERS TUESDAY NIGHT. WAVES 1 FOOT OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH.
SHOWERS LIKELY. WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-200915-
MAFOR 2003/
ONTARIO WEST 1/2 12110 12120 12220 11210 11220. WAVES 1 FOOT OR
LESS BUILDING TO 1 TO 3 FEET OVERNIGHT. WAVES 2 TO 4 FEET
SATURDAY. WAVES 1 TO 3 FEET SATURDAY EVENING.

ONTARIO EAST 1/2 11810 13120 13110 11120. WAVES 1 TO 3 FEET
OVERNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET SATURDAY.
WAVES 2 FEET OR LESS SATURDAY EVENING.

$$


WOOD



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