High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 301018
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU MAR 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAR 30
24 HOUR FORECAST VALID 0600 UTC MAR 31
48 HOUR FORECAST VALID 0600 UTC APR 01

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 44N58W 991 MB MOVING E 10 KT AND RAPIDLY INTENSIFYING.
WITHIN 180 NM N...240 NM E...600 NM S...AND 480 NM W QUADRANTS
WINDS 25 TO 40 KT. SEAS 9 TO 15 FT.
.12 HOUR FORECAST LOW 43N57W 981 MB. WITHIN 480 NM S AND 240 NM
W QUADRANTS WINDS 40 TO 55 KT. SEAS 15 TO 25 FT.
.24 HOUR FORECAST LOW 43N52W 965 MB. WITHIN 300 NM SW SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 24 TO 38 FT. ELSEWHERE WITHIN 420 NM SW
SEMICIRCLE AND 120 NM NE AND N OF A LINE FROM 44N54W TO 46N49W
TO 43N38W WINDS 40 TO 50 KT. SEAS 13 TO 27 FT. ALSO OVER
FORECAST WATERS WITHIN 720 NM N AND NE...1080 NM SE...660 NM
SW...AND 420 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 20 TO 22
FT.
.48 HOUR FORECAST LOW 45N43W 970 MB. OVER ICE FREE FORECAST
WATERS WITHIN 480 NM SE AND 540 NM SW...AND BETWEEN 300 NM AND
480 NM NW QUADRANTS WINDS 40 TO 50 KT. SEAS 19 TO 38 FT.
ELSEWHERE FROM 31N TO 57N E OF 59W 25 TO 40 KT. SEAS 11 TO 24 FT.

...STORM WARNING...
.LOW 35N51W 986 MB MOVING N 20 KT. FROM 31N TO 35N BETWEEN 53W
AND 55W WINDS 40 TO 50 KT. SEAS 14 TO 21 FT. ELSEWHERE OVER
FORECAST WATERS WITHIN 420 NM NE...600 NM SE...360 NM SW...AND
180 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 16 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MERGED WITH LOW
43N52W DESCRIBED ABOVE.

...GALE WARNING...
.OVER FORECAST WATERS FROM 58N TO 63N BETWEEN 46W AND 51W AREA
OF N TO NW WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST FROM 58N TO 62N BETWEEN 40W AND 51W AREA OF W
TO NW WINDS 25 TO 40 KT. SEAS 9 TO 13 FT.
.48 HOUR FORECAST FROM 57N TO 63N BETWEEN 41W AND 53W AREA OF NW
WINDS 25 TO 35 KT. SEAS TO 13 FT.

...GALE WARNING...
.OVER ICE FREE FORECAST WATERS WITHIN 90 NM W OF A LINE FROM
65N35W TO 63N38W TO 58N39W TO 54N44W AREA OF N TO NE WINDS 20 TO
30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST N OF 63N AND E OF 37W AREA OF N TO NW WINDS 25
TO 35 KT. SEAS 9 TO 13 FT.
.48 HOUR FORECAST CONDITIONS E OF AREA.

...GALE WARNING...
.24 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 35N75W
TO 31N76W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST W OF A LINE FROM 40N72W TO 35N72W TO 31N76W
WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 40N74W 1000 MB. WITHIN 240 NM NE...AND 540
NM SE AND S QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 13 FT.

...HEAVY FREEZING SPRAY...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 61N AND W OF 54W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N AND
W OF 53W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N AND
W OF 46W.

.SYNOPSIS AND FORECAST.

.OVER FORECAST WATERS FROM 39N TO 52N E OF 40W WINDS 20 TO 30
KT. SEAS 10 TO 17 FT.
.24 HOUR FORECAST CONDITIONS E OF AREA.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 57N TO 62N E OF 38W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
OVER ICE FREE WATERS FROM 44N TO 49N BETWEEN 43W AND 53W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM S OF A LINE FROM
53N35W TO 53N38W TO 48N50W.

.FORECASTER BELL. 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 0600 UTC THU MAR 30.
24 HOUR FORECAST VALID 0600 UTC FRI MAR 31.
48 HOUR FORECAST VALID 0600 UTC SAT APR 01.

.WARNINGS.

...ATLC GALE WARNING...
.LOW PRES N OF AREA NEAR 35N51W 986 MB WITH ASSOCIATED COLD
FRONT FROM 31N48W TO 24N52W THEN WEAKENING TO 17N61W. N OF 27.5N
BETWEEN COLD FRONT AND 56W W TO NW WINDS 30 TO 40 KT. SEAS 13 TO
19 FT. ELSEWHERE N OF 26N W OF FRONT TO 59W W TO NW WINDS 20 TO
30 KT. SEAS 12 TO 15 FT. N OF 29N WITHIN 180 NM E OF FRONT 30 TO
35 KT. SEAS 13 TO 17 FT. ELSEWHERE N OF 26N WITHIN 300 NM SE OF
FRONT S TO SW WINDS 20 TO 30 KT. SEAS 12 TO 14 FT. REMAINDER OF
AREA N OF LINE FROM 11N35W TO 14N49W TO 21N57W TO 27N64W TO
31N65W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N TO NE
SWELL...EXCEPT 11 TO 14 FT IN N SWELL N OF 15N E OF 44W.
.24 HOUR FORECAST COLD FRONT FROM 31N40W TO 23N47W THEN
WEAKENING FRONT TO 17N61W. SECOND COLD FRONT FROM 31N48W TO
27N56W AND WEAKENING FRONT TO 25N68W. N OF 28N E OF FIRST FRONT
S TO SW WINDS 20 TO 25 KT. SEAS 10 TO 14 FT. N OF 28.5N WITHIN
180 NM E OF SECOND FRONT SW WINDS 20 TO 25 KT. SEAS 12 TO 15 FT
IN NW SWELL. N OF 29N W OF SECOND FRONT TO 55W NW WINDS 20 TO 25
KT. SEAS 10 TO 14 FT IN NW SWELL. ELSEWHERE N OF 22N E OF 50W...
AND ALSO SE OF LINE FROM 22N35W TO 18N46W TO 12N55W WINDS 20 KT
OR LESS. SEAS 8 TO 12 FT IN NW TO N SWELL N OF 24N...AND IN N TO
NE SWELL S OF 24N.
.48 HOUR FORECAST FIRST FRONT TO DISSIPATE. SECOND COLD FRONT
FROM 31N40W TO 26N48W AND DISSIPATING FRONT TO 24N57W. N OF 30N
BETWEEN 39W AND 49W SW TO W WINDS 20 TO 25 KT. SEAS 16 TO 21 FT
IN NW SWELL...HIGHEST BETWEEN 45W AND 49W. ELSEWHERE NNE OF LINE
FROM 28N35W TO 24N49W TO 23N59W TO 24N65W TO 31N71W WINDS 20 KT
OR LESS. SEAS 8 TO 12 FT IN NW TO N SWELL EXCEPT 12 TO 19 FT N
OF 26N E OF 61W AND IN N TO NE SWELL W OF 61W...HIGHEST NE PART.
SE OF LINE FROM 18N35W TO 14N35W TO 11N57W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN N SWELL.

.SYNOPSIS AND FORECAST.

.ATLC 30 HOUR FORECAST COLD FRONT INLAND OVER SE U.S. N OF 29.5N
BETWEEN 77W AND 80.5W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N78W TO 26N80W. N OF 30N
WITHIN 240 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS TO 8 FT.

.CARIBBEAN S OF 17.5N BETWEEN 85W AND 87W...INCLUDING GULF OF
HONDURAS...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST S OF 17.5N BETWEEN 85W AND 86W...INCLUDING
GULF OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 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 13N BETWEEN 63W AND 74W NE TO E WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST S OF 12.5N BETWEEN 70W AND 74W AND S OF 12N
BETWEEN 63W AND 67W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.

.GULF OF MEXICO COLD FRONT JUST ALONG THE TEXAS COAST. FROM 21N
TO 24N BETWEEN 89W AND 91W SE TO S WINDS 20 TO 25 KT. SEAS TO 8
FT. FROM 26N TO 28N BETWEEN 93W AND 95W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN SE SWELL.
.06 HOUR FORECAST COLD FRONT FROM 30N94W TO 22N97W. W OF FRONT
N OF 25N NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. FROM 21N TO
24N BETWEEN 89W AND 91W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST COLD FRONT FROM 30N90W TO 24N93W TO 18N95W. S
OF 24N W OF THE FRONT N TO NW WINDS 20 TO 25 KT. SEAS LESS THAN
8 FT. N OF 30N WITHIN 120 NM E OF FRONT SW WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 30N88W TO 26N90W TO 18N94W.
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST FROM 24N TO 28N W OF 94W SE WINDS 20 TO 25 KT.
SEAS TO 8 FT.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



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