High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 200352
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SUN APR 20 2014

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 20
24 HOUR FORECAST VALID 0000 UTC APR 21
48 HOUR FORECAST VALID 0000 UTC APR 22

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 47N50W 1000 MB MOVING NE 15 KT AND RAPIDLY INTENSIFYING.
WITHIN 240 NM NE AND 420 NM SE QUADRANTS...AND WITHIN 240 NM E
AND SE OF A FRONT FROM 45N47W TO 42N51W TO 38N61W WINDS 25 TO 40
KT. SEAS TO 12 FT.
.12 HOUR FORECAST LOW 51N45W 982 MB. BETWEEN 60 NM AND 120 NM NW
QUADRANT AND FROM 45N TO 52N BETWEEN 36W AND 41W WINDS 40 TO 50
KT. SEAS 12 TO 18 FT.
.24 HOUR FORECAST LOW 51N42W 971 MB. BETWEEN 90 NM AND 240 NM W
SEMICIRCLE WINDS 50 TO 65 KT. SEAS 22 TO 32 FT. ELSEWHERE OVER
ICE FREE FORECAST WATERS BETWEEN 90 NM AND 300 NM W SEMICIRCLE
AND BETWEEN 240 NM AND 360 NM NE QUADRANT WINDS 40 TO 50 KT.
SEAS 15 TO 28 FT. ALSO WITHIN 480 NM NE...900 NM SE...840 NM
SW...AND 540 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 24 FT.
.48 HOUR FORECAST LOW 55N39W 974 MB. WITHIN 240 NM SW SEMICIRCLE
AND N OF 64N E OF GREENLAND WINDS 40 TO 50 KT. SEAS 18 TO 26 FT.
ELSEWHERE WITHIN 600 NM N...900 NM S...AND 480 NM W QUADRANTS
WINDS 25 TO 40 KT. SEAS 11 TO 24 FT.

...GALE WARNING...
.OVER FORECAST WATERS WITHIN 120 NM NW OF A FRONT FROM 36N70W TO
32N80W WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 32N74W 1011 MB. BETWEEN 90 NM AND 240 NM
NW SEMICIRCLE AND W OF A LINE FROM 38N69W TO 35N64W WINDS 25 TO
35 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 36N65W 1007 MB. WITHIN 240 NM NE...480 NM
E...AND 120 NM NW QUADRANTS...AND WITHIN 120 NM E OF A FRONT TO
EXTEND FROM 37N63W TO 34N63W TO 31N65W WINDS 20 TO 30 KT. SEAS
TO 10 FT.

...GALE WARNING...
.LOW 64N37W 995 MB MOVING NE 15 KT. OVER FORECAST WATERS BETWEEN
120 NM AND 420 NM S AND 240 NM AND 360 NM SW QUADRANTS WINDS 25
TO 35 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY NW AND W OF A LINE FROM 60N45W
TO 60N52W TO 57N56W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NW AND W OF A
LINE FROM 59N44W TO 59N54W TO 57N55W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A
LINE FROM 62N50W TO 61N54W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 49N
BETWEEN 44W AND 53W.
.24 HOUR FORECAST CONDITIONS IMPROVING.

.HIGH 32N51W 1030 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH S OF AREA.

.24 HOUR FORECAST HIGH 43N65W 1031 MB.
.48 HOUR FORECAST HIGH 37N49W 1025 MB.

.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 0000 UTC SUN APR 20.
24 HOUR FORECAST VALID 0000 UTC MON APR 21.
48 HOUR FORECAST VALID 0000 UTC TUE APR 22.

.WARNINGS.

...ATLC GALE WARNING...
.LOW PRES NEAR 30.5N80.5W 1012 MB. OCCLUDED FRONT FROM LOW TO
31N80.5W TO 31N78W THEN COLD TO 27N78W TO 23N81W. N OF 30.5N
AHEAD OF OCCLUDED FRONT N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
N OF 25N BETWEEN 73W AND 77W S WINDS 20 TO 25 KT. SEAS 8 TO 9
FT. SCATTERED TSTMS WITHIN 90 NM E OF A LINE FROM 31N74W TO
26N76W...AND WITHIN 75 NM E OF A LINE FROM 31N79W TO 27N79W.
.06 HOUR FORECAST LOW PRES NEAR 30.5N78W 1011 MB. OCCLUDED FRONT
FROM LOW TO 31N80W TO 31N77W THEN COLD TO 27N77W TO 23N79W. N OF
29N BETWEEN 20 AND 60 NM OF SHORE N TO NE WINDS 20 TO 25 KT WITH
FREQUENT GUSTS TO 35 KT. SEAS TO 8 FT. N OF 27N BETWEEN 72W AND
76W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST BROAD LOW PRES NEAR 30N76W 1011 MB. COLD FRONT
FROM 31N72W TO 24N76W. TROUGH FROM 31N77W TO 27N80W. N OF 29N
BETWEEN 20 AND 60 NM OF SHORE NW TO N WINDS 20 TO 30 KT WITH
FREQUENT GUSTS TO 35 KT. SEAS 8 TO 11 FT. ELSEWHERE W OF TROUGH
N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT. N OF 28N BETWEEN 69W
AND 73W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST BROAD LOW PRES N OF AREA. COLD FRONT FROM
31N70W TO 23N75W. TROUGH FROM 31N75W TO 27N80W. W OF TROUGH N TO
NE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN NE SWELL...HIGHEST N OF
30N. N OF 28N BETWEEN 66W AND 70W S TO SW WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.48 HOUR FORECAST BROAD LOW PRES WELL N OF AREA. COLD FRONT FROM
31N66W TO 27N69W TO 21N71W. TROUGH FROM 31N71W TO 27N80W. W OF
TROUGH WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL. N OF 27N
E OF FRONT BETWEEN 63W AND 67W S TO SW WINDS 20 TO 25 KT. SEAS 8
TO 9 FT.

.SYNOPSIS AND FORECAST.

.ATLC S OF 22N BETWEEN 65W AND 73W E TO SE WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT. S OF A LINE FROM 19N64W TO 14N35W NE TO E WINDS
20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE S OF A LINE FROM 16N35W
TO 16N46W TO 26N73W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO
E SWELL.
.24 HOUR FORECAST S OF A LINE FROM 17N61W TO 14N35W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST S OF 12N NE TO E WINDS 20 TO 25 KT. SEAS 8 TO
9 FT.

.CARIBBEAN FROM 11N TO 14N BETWEEN 68W AND 79W NE TO E WINDS 20
TO 25 KT. SEAS 8 TO 10 FT W OF 71W. ELSEWHERE S OF 15N BETWEEN
BETWEEN 71W AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO
E SWELL. FROM 16N TO 17.5N BETWEEN 71W AND 75W E WINDS 20 TO 25
KT. SEAS TO 8 FT.
.06 HOUR FORECAST LITTLE CHANGE...EXCEPT FROM 11N TO 13N BETWEEN
74W AND 77W NE TO E WINDS 25 TO 30 KT. SEAS 9 TO 11 FT.
.18 HOUR FORECAST FROM 11N TO 13.5N BETWEEN 68W AND 79W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT W OF 74W.
.24 HOUR FORECAST FROM 11N TO 14N BETWEEN 70W AND 76W NE TO E
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 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 LEWITSKY. NATIONAL HURRICANE CENTER.


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