High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 190406
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SUN APR 19 2015

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

PAN PAN

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

SYNOPSIS VALID 0000 UTC APR 19
24 HOUR FORECAST VALID 0000 UTC APR 20
48 HOUR FORECAST VALID 0000 UTC APR 21

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 42N68W 1010 MB MOVING SE 30 KT THEN TURNING MORE E AND
RAPIDLY INTENSIFYING AFTER 12 HOURS AND THEN AFTER 24 HOURS
TURNING NE AND SLOWING. FROM 40N TO 42N W OF 70W AND WITHIN 240
NM NE QUADRANT WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST LOW 40N60W 1006 MB. WITHIN 240 NM NW AND W
QUADRANTS WINDS 30 TO 40 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 40N51W 996 MB. WITHIN 180 NM SW AND 120 NM
NW QUADRANTS WINDS 40 TO 55 KT. SEAS 10 TO 18 FT. ELSEWHERE FROM
39N TO 44N BETWEEN 48W AND 58W AND WITHIN 240 NM N AND 360 NM SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 15 FT...HIGHEST IN SW
QUADRANT.
.36 HOUR FORECAST LOW 42N47W 976 MB. WITHIN 120 NM SW AND 180 NM
W AND NW QUADRANTS WINDS 50 TO 65 KT. SEAS 18 TO 30 FT. ALSO
FROM 38N TO 47N BETWEEN 39W AND 52W WINDS 35 TO 50 KT. SEAS 15
TO 22 FT.
.48 HOUR FORECAST LOW 44N44W 972 MB. WITHIN 240 NM SW AND W
QUADRANTS WINDS 50 TO 65 KT. SEAS 27 TO 42 FT. ALSO WITHIN 240
NM E...240 NM S AND 360 NM W QUADRANTS AND WITHIN 180 NM W OF A
FRONT FROM LOW TO 46N46W TO 51N41W WINDS 40 TO 55 KT. SEAS 18 TO
29 FT. ELSEWHERE E OF A LINE FROM 53N45W TO 47N55W TO 35N50W
WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.

...GALE WARNING...
.LOW 49N41W 998 MB MOVING NE 25 KT NEXT 12 HOURS THEN TURNING
MORE N. FRONT EXTENDS FROM 50N41W TO 58N33W TO 47N40W TO 40N55W.
WITHIN 180 NM SE OF FRONT S OF 49N WINDS 25 TO 40 KT. SEAS 10 TO
18 FT. ELSEWHERE OVER FORECAST WATERS FROM 45N TO 52N E OF 45W
AND WITHIN 300 NM SE AND S OF FRONT WINDS 20 TO 30 KT. SEAS 8 TO
14 FT.
.24 HOUR FORECAST LOW JUST E OF AREA NEAR 58N33W 1000 MB. WITHIN
180 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 11 FT. ELSEWHERE
WITHIN 120 NM NW AND 240 NM W AND SW QUADRANTS WINDS TO 25 KT.
SEAS TO 9 FT.
.48 HOUR FORECAST LOW E OF AREA NEAR 67N31W 994 MB. FORECAST
CONDITIONS DESCRIBED WITH LOW 65N39W BELOW.

...GALE WARNING...
.LOW 60N39W 990 MB MOVING NW 20 KT. OVER FORECAST WATERS WITHIN
360 NM E AND 240 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO
18 FT...HIGHEST IN E QUADRANT. ELSEWHERE WITHIN 540 NM W
QUADRANT AND N OF 55N E OF 45W WINDS 20 TO 30 KT. SEAS 8 TO 12
FT.
.24 HOUR FORECAST WELL INLAND WITH NEW LOW FORMING NEAR 61N42W
1004 MB. WITHIN 180 NM S AND SW QUADRANTS WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 65N39W 992 MB. BETWEEN 180 NM AND 480 NM S
QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 18 FT. ELSEWHERE N OF 57N
E OF 50W WINDS 20 TO 30 KT. SEAS TO 12 FT.

...GALE WARNING...
.12 HOUR FORECAST NEW LOW 34N55W 1008 MB. WITHIN 180 NM E AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 36N48W 1004 MB. WITHIN 120 NM NE QUADRANT
AND 240 NM SE SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 15 FT.
.36 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 42N47W
ABOVE.

...GALE WARNING...
.24 HOUR FORECAST FROM 33N TO 40N W OF 71W AREA OF E TO SE WINDS
TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST FROM 36N TO 40N W OF 71W AREA OF SE WINDS 25
TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST FROM 36N TO 41N BETWEEN 66W AND 71W AREA OF S
TO SE WINDS 25 TO 35 KT. SEAS 9 TO 14 FT. ELSEWHERE FROM 32N TO
45N W OF 63W WINDS 20 TO 30 KT. SEAS TO 11 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 61N W OF 48W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZONG SPRAY N OF 60N W OF
45W.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.FROM 46N TO 55N BETWEEN 50W AND 60W AREA OF N TO NW WINDS 20 TO
30 KT. SEAS IN ICE FREE WATERS TO 9 FT.
.24 HOUR FORECAST CONDITIONS ABSORBED BY LOW 40N51W IN WARNINGS
SECTION.

.DENSE FOG. VSBY OCCASIONALLY 1 NM OR LESS OVER FORECAST WATERS
FROM 59N TO 65N E OF 39W.
.24 HOUR FORECAST CONDITIONS MOVED E OF AREA.

.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 39N TO 43N W OF 68W.

.HIGH 35N40W 1031 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH E OF AREA.

.24 HOUR FORECAST NEW HIGH 43N67W 1027 MB.
.48 HOUR FORECAST HIGH 45N60W 1030 MB.

.48 HOUR FORECAST HIGH 56N59W 1032 MB.

.FORECASTER BANCROFT. 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 0000 UTC SUN APR 19.
24 HOUR FORECAST VALID 0000 UTC MON APR 20.
48 HOUR FORECAST VALID 0000 UTC TUE APR 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 26N35W TO 25N44W THEN STATIONARY TO 27N53W
THEN WARM FRONT TO 31N57W. WITHIN AREA BOUND BY LINE 31N57W TO
27N61W TO 21N61W TO 16N50W TO 16N43W TO 21N35W TO 31N35W TO
31N57W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NW TO N SWELL...
HIGHEST NE.
.24 HOUR FORECAST FRONTS DISSIPATED. NEW COLD FRONT FROM 31N57W
TO 28N70W. N OF 29N BETWEEN 45W AND 51W S TO SW WINDS 20 TO 25
KT. SEAS 8 TO 10 FT. E OF A LINE FROM 31N41W TO 18N61W TO 09N58W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N43W TO 26N61W. N OF 29N
BETWEEN 45W AND 60W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW TO N
SWELL. E OF A LINE FROM 22N35W TO 13N60W TO 07N58W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT PRIMARILY IN N SWELL.

.CARIBBEAN FROM 11N TO 13.5N BETWEEN 73W AND 76W NE TO E WINDS
20 TO 25 KT. SEAS TO 9 FT.
.18 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W WINDS 20
KT OR LESS. SEAS TO 9 FT IN NE TO E SWELL.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 73W AND 76W NE TO E
WINDS 20 TO 25 KT. SEAS TO 9 FT.
.42 HOUR FORECAST FROM 11N TO 13.5N BETWEEN 74W AND 77W WINDS 20
KT OR LESS. SEAS TO 8 FT IN NE TO E SWELL.
.48 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E
WINDS 20 TO 25 KT. SEAS TO 8 FT.

.CARIBBEAN S OF 18N BETWEEN 84W AND 87.5W E TO SE WINDS 20 TO 25
KT. SEAS TO 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST S OF 17.5N BETWEEN 84W AND 86.5W E TO SE WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST FROM S OF 18N BETWEEN 84.5W AND 87W E TO SE
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST S OF 17.5N BETWEEN 84W AND 86.5W E TO SE WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO S OF 23N BETWEEN 87W AND 89W E TO SE WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.



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