High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 202217
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI JAN 20 2017

CCODE/1:31:04:01:00/AOW/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY
BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

SYNOPSIS VALID 1800 UTC JAN 20
24 HOUR FORECAST VALID 1800 UTC JAN 21
48 HOUR FORECAST VALID 1800 UTC JAN 22

.WARNINGS.

...STORM WARNING...
.LOW E OF AREA 62N32W 979 MB MOVING NE 15 KT. W AND N OF A FRONT
FROM 62N38W TO 63N36W TO 64N35W WINDS 40 TO 55 KT. SEAS 12 TO 22
FT. ELSEWHERE WITHIN 480 NM SW QUADRANT WINDS 30 TO 45 KT. SEAS
10 TO 20 FT.
.24 HOUR FORECAST LOW E OF AREA WITH NEW LOW TO FORM 63N39W 998
MB. WITHIN 300 NM S AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 9
TO 14 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH LOW
54N40W.

...STORM WARNING...
.LOW 41N52W 980 MB MOVING NE 15 KT. WITHIN 120 NM N AND W OF A
FRONT FROM 41N53W TO 42N51W TO 43N47W WINDS 40 TO 50 KT. SEAS 12
TO 24 FT. ELSEWHERE WITHIN 660 NM SE SEMICIRCLE AND 420 NM W AND
360 NM N QUADRANTS WINDS 30 TO 45 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW 45N47W 966 MB. WITHIN 300 NM S AND SW
SEMICIRCLES AND 120 NM W AND N OF A LINE FROM 46N50W TO 49N48W
TO 52N43W WINDS 40 TO 55 KT. SEAS 18 TO 32 FT. ELSEWHERE WITHIN
600 NM E...540 NM S...420 NM W...AND BETWEEN 300 NM AND 540 NM N
QUADRANTS...AND WITHIN 180 NM E OF A LINE FROM 40N37W TO 35N40W
TO 32N43W WINDS 30 TO 45 KT. SEAS 11 TO 22 FT.
.48 HOUR FORECAST LOW 54N40W 968 MB. WITHIN 120 NM W OF A LINE
FROM 55N43W TO 59N40W TO 63N38W WINDS 40 TO 50 KT. SEAS 12 TO 26
FT. ELSEWHERE WITHIN 720 NM W AND SW SEMICIRCLES AND 660 NM E
AND NE QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 32 FT...HIGHEST
IN SE QUADRANT. ALSO E OF A LINE FROM 38N35W TO 32N41W WINDS 20
TO 30 KT. SEAS 8 TO 16 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A LINE FROM 60N59W
TO 63N51W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A
LINE FROM 60N58W TO 61N49W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A
LINE FROM 56N56W TO 60N48W.

.SYNOPSIS AND FORECAST.

.OVER ICE FREE WATERS N OF 63N W OF GREENLAND NW WINDS 20 TO 30
KT. SEAS TO 9 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST FROM 31N TO 34N W OF 74W SW WINDS 20 TO 30 KT.
SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 44N
BETWEEN 46W AND 50W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 52N BETWEEN 35W AND 50W.
.48 HOUR FORECAST DENSE FOG FROM 52N TO 61N BETWEEN 35W AND 43W.

.HIGH 49N35W 1021 MB MOVING E 30 KT.
.24 HOUR FORECAST HIGH MOVED E OF AREA.

.FORECASTER ACHORN. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 1800 UTC FRI JAN 20.
24 HOUR FORECAST VALID 1800 UTC SAT JAN 21.
48 HOUR FORECAST VALID 1800 UTC SUN JAN 22.

.WARNINGS.

...ATLC GALE WARNING...
.COLD FRONT FROM 31N49W TO 26N53W TO 21N68W. N OF 27.5N WITHIN
150 NM SE OF FRONT SW WINDS 25 TO 35 KT. SEAS 11 TO 15 FT.
ELSEWHERE SE OF FRONT TO LINE 23.5N56W TO 31N39W S TO SW WINDS
20 TO 25 KT. SEAS 8 TO 12 FT IN NW SWELL. N OF 26N W OF FRONT TO
57W W WINDS 20 TO 30 KT. SEAS 10 TO 16 FT. ELSEWHERE W OF FRONT
TO LINE 31N69W TO 25N66W TO 22.5N59W WINDS 20 KT OR LESS. SEAS 8
TO 12 FT IN NW SWELL.
.06 HOUR FORECAST COLD FRONT FROM 31N47W TO 25N55W TO 21N65W. N
OF LINE FROM 26N50W TO 31N40W S TO SW WINDS 20 TO 30 KT. SEAS 8
TO 14 FT IN NW SWELL. ELSEWHERE WITHIN AREA BOUNDED BY 31N64W TO
31N35W TO 22N58W TO 31N64W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT
IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N45W TO 20N61W TO 19N68W. N
OF 27N E OF FRONT TO 35W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 13
FT. ELSEWHERE N OF LINE FROM 31N63W TO 24N52W TO 24N57W WINDS 20
KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 31N44W TO 23N52W
TO 19N63W. N OF 29N E OF FRONT TO 35W SW WINDS 20 TO 25 KT. SEAS
8 TO 11 FT. ELSEWHERE N OF LINE FROM 31N63W TO 26N44W TO 30N35W.
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.

...GULF OF MEXICO GALE WARNING...
.12 HOUR FORECAST FROM 21.5N TO 26N BETWEEN 88W AND 91W SE TO S
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST N OF 23N BETWEEN 85W AND 90W...AND FROM 21N TO
26N BETWEEN 91W AND 94W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.42 HOUR FORECAST COLD FRONT FROM 30.5N87W TO 21N97W. N OF 25.5N
W OF 92W NW WINDS 30 TO 35 KT. SEAS 8 TO 11 FT. ELSEWHERE W OF
FRONT NW WINDS 20 TO 30 KT. SEAS TO 8 FT. E OF 88W S TO SW WINDS
20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST COLD FRONT FROM 30N85W TO 24N89W TO 20N96.5W.
N OF 24N W OF 90W NW WINDS 30 TO 40 KT. SEAS 8 TO 15 FT.
ELSEWHERE W OF FRONT NW TO W WINDS 20 TO 30 KT. SEAS TO 10 FT. N
OF 24.5N E OF FRONT S TO SW WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
REMAINDER OF AREA E OF 90W S TO SW WINDS 20 TO 25 KT. SEAS TO 8
FT.

.SYNOPSIS AND FORECAST.

.ATLC FROM 14N TO 26N E OF 36W WINDS 20 KT OR LESS. SEAS 8 FT IN
MIXED E AND NW SWELL.
.24 HOUR FORECAST FROM 25N TO 25N E OF 37W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED SE AND NW SWELL.
.48 HOUR FORECAST CONDITIONS MERGED WITH PARAGRAPH ABOVE.

.ATLC 36 HOUR FORECAST N OF 27.5N W OF 77.5W S TO SW WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF 27N W OF 75W S TO SW WINDS 20 TO 25 KT.
SEAS 8 FT.

.CARIBBEAN FROM 10.5N TO 12.5N BETWEEN 74W AND 77W NE TO E WINDS
20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 10.5N TO 11.5N BETWEEN 74W AND 76W NE TO
E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 12 HOUR FORECAST S OF 18N BETWEEN 84W AND 87W SE
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST S OF 18N BETWEEN 84W AND 86W E TO SE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF 19N BETWEEN 82.5W AND 86.5W...AND FROM
16N TO 19N BETWEEN 83W AND 85.5W...SE TO S WINDS 20 TO 25 KT.
SEAS TO 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.


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