High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 292217
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC WED MAR 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PAN PAN

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

SYNOPSIS VALID 1800 UTC MAR 29
24 HOUR FORECAST VALID 1800 UTC MAR 30
48 HOUR FORECAST VALID 1800 UTC MAR 31

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 42N63W 1002 MB MOVING E 15 KT AND INTENSIFYING. WITHIN 540
NM SW AND 360 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.
.06 HOUR FORECAST LOW 42N60W 996 MB. WITHIN 180 NM N AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 42N57W 980 MB. WITHIN 240 NM W SEMICIRCLE
WINDS 40 TO 55 KT. SEAS 13 TO 26 FT. ELSEWHERE WITHIN 720 NM
S...540 NM SW...AND 420 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
9 TO 21 FT...HIGHEST SW.
.36 HOUR FORECAST LOW 42N53W 961 MB. WITHIN 240 NM SW SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 20 TO 38 FT.
.48 HOUR FORECAST LOW 43N48W 962 MB. WITHIN 360 NM SE AND 420 NM
SW QUADRANTS WINDS 45 TO 60 KT. SEAS 22 TO 42 FT. ALSO WITHIN
480 NM SE...660 NM SW...AND 600 NM NW QUADRANTS...AND BETWEEN
420 NM AND 660 NM NE QUADRANT WINDS 35 TO 45 KT. SEAS 18 TO 34
FT...EXCEPT NE AND NW QUADRANTS SEAS 11 TO 22 FT. ELSEWHERE
WITHIN 780 NM OF LOW CENTER WINDS 25 TO 35 KT. SEAS 8 TO 20
FT...HIGHEST S OF LOW CENTER.

...STORM WARNING...
.LOW 31N56W 992 MB MOVING NE 25 KT. WITHIN 150 NM NW QUADRANT
WINDS 35 TO 50 KT. SEAS 12 TO 20 FT. ALSO BETWEEN 31N AND A LINE
FROM 32N60W TO 35N57W TO 36N51W TO 33N47W...EXCEPT WITHIN 120 NM
N QUADRANT...WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. ELSEWHERE
WITHIN 120 NM N QUADRANT WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 41N51W 976 MB. WITHIN 420 NM NE...840 NM
SE...600 NM S AND 360 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 10
TO 20 FT.
.36 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE
WITH LOW 42N53W.

...GALE WARNING...
.LOW E OF AREA 51N32W 982 MB MOVING E 20 KT. BETWEEN 35W AND A
LINE FROM 54N40W TO 45N43W TO 35N37W WINDS 25 TO 35 KT. SEAS 11
TO 22 FT.
.24 HOUR FORECAST LOW AND CONDITIONS WELL E OF FORECAST AREA.

...GALE WARNING...
.LOW INLAND 61N45W 1011 MB NEARLY STATIONARY. FROM 59N TO 63N
BETWEEN 47W AND 53W WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 61N45W 1005 MB. WITHIN 180 NM SW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 58N TO 61N BETWEEN 43W
AND 49W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.FRONT EXTENDS FROM 64N35W TO 56N42W. OVER ICE FREE WATERS
WITHIN 180 NM W AND SW OF THE FRONT WINDS 20 TO 30 KT. SEAS 8 TO
15 FT.
.24 HOUR FORECAST NEW LOW 64N35W 1000 MB. WITHIN 120 NM NW
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 10 FT.
.36 HOUR FORECAST LOW 64N35W 996 MB. WITHIN 90 NM NW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW E OF AREA 64N33W 996 MB. WITHIN 120 NM W
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

...HEAVY FREEZING SPRAY...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
NW OF A LINE FROM 64N51W TO 61N58W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY FROM 62N TO
65N W OF 53W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW OF A LINE
FROM 62N50W TO 60N58W.

.SYNOPSIS AND FORECAST.

.FROM 38N TO 41N BETWEEN 46W AND 52W WINDS TO 25 KT. SEAS TO 11
FT.
.12 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 41N71W
TO 34N71W TO 31N74W WINDS 20 TO 30 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM BETWEEN 35W AND A
LINE FROM 62N37W TO 56N40W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
OVER ICE FREE WATERS WITHIN 180 NM OF 45N50W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 49N BETWEEN 43W AND 51W.

.24 HOUR FORECAST NEW HIGH 39N74W 1024 MB.
.48 HOUR FORECAST HIGH 32N66W 1021 MB.

.48 HOUR FORECAST NEW HIGH 43N70W 1023 MB.

.FORECASTER REINHART. 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 WED MAR 29.
24 HOUR FORECAST VALID 1800 UTC THU MAR 30.
48 HOUR FORECAST VALID 1800 UTC FRI MAR 31.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC LOW PRES NEAR 31N56W 992 MB MOVING NE 20 KT WITH
ASSOCIATED COLD FRONT FROM 31N52W TO 22N57W TO 17N65.5W. N OF
27.5N BETWEEN COLD FRONT AND 60W WINDS 30 TO 45 KT. SEAS 12 TO
22 FT. ELSEWHERE N OF 26N W OF FRONT TO 62W W TO NW WINDS 20 TO
30 KT. SEAS 8 TO 15 WITH NE SWELL. N OF 23N WITHIN 330 NM SE OF
FRONT S TO SW WINDS 20 TO 30 KT. SEAS 10 TO 16 FT IN MIXED
SWELL. REMAINDER OF AREA N OF LINE FROM 16N35W TO 17.5N43W TO
25N60W TO 24N65W TO 31N65W WINDS 20 KT OR LESS. SEAS 8 TO 18 FT
IN N TO NE SWELL...HIGHEST E OF 43W.
.24 HOUR FORECAST LOW PRES N OF AREA WITH ASSOCIATED COLD FRONT
FROM 31N43W TO 23.5N50W TO 16.5N62W. N OF 28.5N WITHIN 120 NM E
OF FRONT S TO SW WINDS 30 TO 35 KT. SEAS 12 TO 16 FT. N OF 28.5N
W OF FRONT TO 63W W TO NW WINDS 20 TO 30 KT. SEAS 13 TO 20 FT.
ELSEWHERE N OF 21N W OF THE FRONT TO 62W WINDS 20 KT OR LESS.
SEAS 8 TO 14 FT IN N TO NE SWELL. REMAINDER OF AREA E OF 53W
WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN N TO NE SWELL.
.30 HOUR FORECAST COLD FRONT FROM 31N41W TO 24N47W TO 16N61.5W.
N OF 27N WITHIN 150 NM SE OF FRONT S TO SW WINDS 20 TO 30 KT.
SEAS 11 TO 14 FT. N OF 28.5N BETWEEN 46W AND 62W W TO NW WINDS
20 TO 30 KT. SEAS 12 TO 16 FT. ELSEWHERE N OF 21N W OF THE FRONT
TO 58W...AND N OF 29.5N BETWEEN 58W AND 66W...WINDS 20 KT OR
LESS. SEAS 8 TO 14 FT IN N TO NE SWELL. REMAINDER OF AREA E OF
53W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N TO NE SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N46W TO 26N54W THEN
WEAKENING FRONT TO 25N63W. N OF 29N W OF FRONT TO 59W W TO NW
WINDS 20 TO 25 KT. SEAS 11 TO 14 FT. ELSEWHERE N OF 27N W OF THE
FRONT TO 65W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT. N OF 29N E OF
THE FRONT TO 37W S TO SW WINDS 20 TO 25 KT. SEAS 11 TO 12 FT.
ELSEWHERE E OF THE FRONT TO LINE FROM 30N35W TO 21N46W WINDS 20
KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.

.SYNOPSIS AND FORECAST.

.CARIBBEAN 06 HOUR FORECAST S OF 17.5N BETWEEN 85W AND
87W...INCLUDING GULF OF HONDURAS...E WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT. S OF 12.5N WITHIN 60 NM OF COAST OF COLOMBIA
BETWEEN 72W AND 76W N TO NE 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 17.5N BETWEEN 85W AND 87W...INCLUDING
GULF OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT. S OF 12.5N BETWEEN 72W AND 76W NE WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO FROM 21N TO 27N BETWEEN 90W AND 95W SE TO S
WINDS 20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE N OF 25N W OF 95W
WINDS 20 KT OR LESS. SEAS TO 9 FT IN SE SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N92W TO 26N94W TO 22N98W. S
OF 26N W OF THE FRONT N TO NW WINDS 20 TO 25 KT. SEAS LESS THAN
8 FT.
.36 HOUR FORECAST COLD FRONT FROM 30N88W TO 28N88W TO 24.5N91W
TO 18N94.5W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 30N85W TO 23N94W. WINDS 20 KT
OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.


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