High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 252134
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC TUE APR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 25
24 HOUR FORECAST VALID 1800 UTC APR 26
48 HOUR FORECAST VALID 1800 UTC APR 27

.WARNINGS.

...STORM WARNING...
.30 HOUR FORECAST NEW LOW 64N41W 989 MB. WITHIN 240 NM S AND SE
QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 19 FT.
.48 HOUR FORECAST LOW 61N41W 989 MB. OVER ICE FREE FORECAST
WATERS WITHIN 360 NM S AND SW QUADRANTS WINDS 35 TO 45 KT. SEAS
12 TO 19 FT. ELSEWHERE WITHIN 540 NM SW SEMICIRCLE WINDS 25 TO
35 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW 36N78W 1002 MB MOVING NE 15 KT. OVER FORECAST WATERS WITHIN
480 NM NE AND 540 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO
17 FT.
.24 HOUR FORECAST LOW 39N72W 1007 MB. WITHIN 600 NM NE AND 480
NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW 43N70W 1011 MB. FROM 34N TO 47N BETWEEN
57W AND 66W WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.FRONT EXTENDS FROM 62N39W TO 48N37W. OVER ICE FREE FORECAST
WATERS NE AND E OF THE FRONT WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST NE AND E OF A FRONT TO EXTEND FROM 65N39W TO
62N35W AND FROM 51N TO 62N E OF 45W WINDS 25 TO 35 KT. SEAS 9 TO
15 FT.
.48 HOUR FORECAST CONDITIONS E OF AREA.

...GALE WARNING...
.LOW 62N60W 995 MB MOVING NE 10 KT. OVER ICE FREE FORECAST
WATERS WITHIN 420 NM W OF A LINE FROM 63N52W TO 55N46W TO 46N41W
WINDS 25 TO 40 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW 65N55W 995 MB. WITHIN 180 NM E AND NE
QUADRANTS...AND 780 NM S AND SW QUADRANTS WINDS 25 TO 35 KT.
SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST LOW 54N60W 1014 MB. WITHIN 480 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS TO 9 FT.
.30 HOUR FORECAST LOW 55N53W 1012 MB. WITHIN 360 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW E OF AREA 59N33W 991 MB. OVER FORECAST
WATERS WITHIN 660 NM S AND 240 NM W QUADRANTS WINDS 25 TO 40 KT.
SEAS 12 TO 20 FT.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY OVER ICE FREE FORECAST WATERS
W OF A LINE FROM 63N55W TO 57N55W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 64N50W TO 54N51W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 66N51W TO 57N55W.

.SYNOPSIS AND FORECAST.

.WITHIN 300 NM NW OF A LINE FROM 43N38W TO 34N44W AREA OF N TO
NE WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST OVER FORECAST WATERS E OF A LINE FROM 46N37W
TO 37N46W TO 31N50W AREA OF N TO NE WINDS 20 TO 30 KT. SEAS TO
12 FT.
.48 HOUR FORECAST OVER FORECAST WATERS E OF A LINE FROM 42N36W
TO 34N42W TO 31N41W AREA OF NE WINDS TO 25 KT. SEAS TO 12 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER ICE FREE
FORECAST WATERS FROM 52N TO 62N E OF 39W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
OVER FORECAST WATERS N OF 39N BETWEEN 63W AND 72W.
.48 HOUR FORECAST DENSE FOG WITHIN 300 NM S OF A LINE FROM
49N52W TO 43N70W.

.HIGH 46N59W 1034 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH 44N49W 1039 MB.
.48 HOUR FORECAST HIGH 42N45W 1036 MB.

.48 HOUR FORECAST HIGH 52N54W 1031 MB.

.FORECASTER NOLT. 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 TUE APR 25.
24 HOUR FORECAST VALID 1800 UTC WED APR 26.
48 HOUR FORECAST VALID 1800 UTC THU APR 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN AREA BOUNDED BY 23N35W TO 23N38W TO 25N38W TO
28N37W TO 29N35W TO 23N35W WINDS 20 KT OR LESS. SEAS 8 FT IN NW
SWELL.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC WITHIN AREA BOUNDED BY 22N65W TO 24N68W TO 31N71W TO
31N65W TO
28N64W TO 22N65W SE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN MIXED
NE AND SE SWELL...HIGHEST NEAR 29N69W. WITHIN AREA BOUNDED BY
26N69W TO 29N75W TO 31N78W TO 31N71W TO 26N69W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED NE AND SE SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC 30 HOUR FORECAST WITHIN AREA BOUNDED BY 28N35W TO 29N38W TO
31N40W TO 31N35W TO 28N35W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO
10 FT. WITHIN AREA BOUNDED BY 30N39W TO 29N44W TO 30N48W TO
31N51W TO 30N39W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED
SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 25N35W TO 27N42W TO
31N45W TO 31N35W TO 25N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN MIXED NE AND SE SWELL.

.CARIBBEAN 27 HOUR S OF 17N BETWEEN 84W AND 87W E TO SE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST S OF 18N BETWEEN 84W AND 87W SE WINDS 20 TO 25
KT. SEAS TO 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO N OF 23N W OF 96W SE TO S WINDS 20 TO 25 KT. SEAS
TO 8 FT.
.12 HOUR FORECAST WITHIN AREA BOUNDED BY 26N96W TO 26N97W TO
28N97W TO 29N95W TO 28N94W TO 26N96W SE TO S WINDS 20 TO 25 KT.
SEAS TO 8 FT. WITHIN AREA BOUNDED BY 20N96W TO 21N97W TO 22N97W
TO 22N96W TO 21N96W TO 20N96W...INCLUDING WITHIN 60 NM OF COAST
OF VERACRUZ...SE TO S 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 WITHIN AREA BOUNDED BY 22N87W TO 22N88W TO
22N89W TO 23N88W TO 23N87W TO 22N87W E TO SE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.36 HOUR FORECAST COLD FRONT FROM 30N92W TO 26N97W. W OF FRONT N
TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. WITHIN AREA
BOUNDED BY 22N87W TO 22N88W TO 22N89W TO 23N90W TO 24N89W TO
23N87W TO 22N87W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST COLD FRONT WEAKENING AND STALLING FROM 30N89W
TO 26N94W TO 24N98W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.



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