High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 252218
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT APR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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.

...GALE WARNING...
.LOW 64N36W 1022 MB NEARLY STATIONARY WILL DRIFT SW AFTER 12
HOURS AND AFTER 24 HOURS RE-FORM SE. OVER FORECAST WATERS WITHIN
90 NM NW SEMICIRCLE WINDS 25 TO 40 KT. SEAS IN ICE FREE WATERS
LESS THAN 8 FT. ELSEWHERE N OF A LINE FROM 59N44W TO 63N35W
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 63N38W 1026 MB. FROM 64N TO 66N E OF
GREENLAND WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF 59N
E OF 48W WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW E OF AREA 57N30W
1020 MB. FROM 58N TO 63N E OF 41W WINDS TO 25 KT. SEAS TO 9 FT.

...GALE WARNING...
.LOW 40N56W 993 MB MOVING NE 15 KT NEXT 12 HOURS THEN TURNING
MORE NW AND THEN W. WITHIN 540 NM S AND SW...360 NM E AND W AND
150 NM N QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT...HIGHEST
IN SW QUADRANT.
.12 HOUR FORECAST LOW 42N53W 988 MB. WITHIN 150 NM S AND SW
QUADRANTS WINDS 30 TO 45 KT. SEAS 11 TO 16 FT. ELSEWHERE WITHIN
300 NM S AND 240 NM W QUADRANTS AND BETWEEN 180 NM AND 420 NM E
QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.
.24 HOUR FORECAST LOW 46N57W 993 MB. WITHIN 360 NM N QUADRANT
AND WITHIN 180 NM N OF A FRONT FROM LOW TO 45N52W TO 40N40W TO
39N35W WINDS 25 TO 35 KT. SEAS 9 TO 15 FT E OF 53W AND 9 FT OR
LESS W OF 53W. ELSEWHERE WITHIN 600 NM NE SEMICIRCLE AND 240 NM
W AND SW QUADRANTS AND OVER FORECAST WATERS FROM 35N TO 49N E OF
57W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT...EXCEPT W OF 56W 8 FT OR
LESS.
.48 HOUR FORECAST LOW 45N63W 996 MB. FRONT TO EXTEND FROM LOW TO
48N52W TO 57N35W. WITHIN 780 NM N QUADRANT AND WITHIN 300 NM N
OF FRONT WINDS 20 TO 30 KT. SEAS 9 TO 14 FT EXCEPT W OF 48W 10
FT OR LESS.

...GALE WARNING...
.LOW 34N45W 1007 MB MOVING NE 15 KT. WITHIN 300 NM E AND SE
SEMICIRCLES N OF 31N WINDS 20 TO 30 KT. SEAS TO 9 FT.
.12 HOUR FORECAST LOW 37N42W 1005 MB. WITHIN 240 NM NE AND E
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW AND CONDITIONS MERGED WITH FRONT
ASSOCIATED WITH LOW 46N57W ABOVE.

...GALE WARNING...
.12 HOUR FORECAST NEW LOW 35N74W 1000 MB. FROM 31N TO 35N W OF
66W WINDS 20 TO 30 KT. SEAS TO 10 FT. ALSO WITHIN 150 NM N
QUADRANT WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST LOW 35N69W 996 MB. WITHIN 180 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 12 FT.
.24 HOUR FORECAST LOW 35N65W 995 MB. WITHIN 300 NM E AND 240 NM
S QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 15 FT. ELSEWHERE FROM
31N TO 37N BETWEEN 56W AND 68W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 42N52W 987 MB. WITHIN 240 NM E AND SE
QUADRANTS WINDS 30 TO 40 KT. SEAS 12 TO 18 FT. ALSO FROM 34N TO
44N BETWEEN 45W AND 52W WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.
ELSEWHERE E OF A LINE FROM 45N53W TO 40N56W TO 31N65W AND W OF
43W WINDS 20 TO 30 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST NEW LOW 35N72W 999 MB. FROM 31N TO 35N W OF
69W AREA OF SW WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 34N65W 1001 MB. FROM 33N TO 39N BETWEEN
69W AND 75W AREA OF NW WINDS 20 TO 30 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 53N
BETWEEN 43W AND 51W.
.24 HOUR FORECAST DENSE FOG FROM 43N TO 55N BETWEEN 43W AND 53W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 54N BETWEEN 43W AND 51W.

.LIGHT TO MODERATE FREEZING SPRAY OVER ICE FREE FORECAST WATERS
WATERS W AND NW OF A LINE FROM 60N58W TO 62N51W AND N OF A LINE
FROM 62N40W TO 65N35W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF A LINE FROM 60N59W
TO 63N51W.
.48 HOUR FORECAST FREEZING SPRAY ENDED.

.HIGH 54N40W 1027 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH E OF AREA.

.HIGH 31N72W 1017 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH DISSIPATED S OF FORECAST AREA.

.24 HOUR FORECAST NEW HIGH 63N59W 1033 MB.
.48 HOUR FORECAST HIGH 61N55W 1030 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 1800 UTC SAT APR 25.
24 HOUR FORECAST VALID 1800 UTC SUN APR 26.
48 HOUR FORECAST VALID 1800 UTC MON APR 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC SE OF A LINE FROM 18N35W TO 13N45W TO 10N58W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.
.12 HOUR FORECAST S OF 11N E OF 58W WINDS 20 KT OR LESS. SEAS
8 FT IN N SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC COLD FRONT FROM 31N57W TO 25N70W. N OF 30N BETWEEN 56W AND
68W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT DISSIPATED. N OF 30N BETWEEN 51W
AND 62W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.48 HOUR FORECAST CONDITIONS AS DESCRIBED BELOW WITH COLD FRONT.

.ATLC 12 HOUR FORECAST DEEPENING LOW PRES ALONG THE CAROLINA
COAST. N OF 29N BETWEEN 72W AND 80W SW TO W WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST N OF 28N BETWEEN 68W AND LINE FROM 31N79W TO
28N72W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.30 HOUR FORECAST COLD FRONT JUST NW OF AREA. N OF 28N BETWEEN
64W AND 71W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N68W TO 28N81W. BETWEEN 69W
AND A LINE FROM 31N53W TO 26N60W SW TO W WINDS 20 TO 25 KT. SEAS
8 TO 11 FT...HIGHEST NEAR 29N64W.

.ATLC WEAKENING FRONTAL TROUGH FROM 31N46W TO 26N54W. WITHIN 60
NM OF LINE FROM 31N44W TO 29N45W TO 26N47W SW WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.12 HOUR FORECAST TROUGH DISSIPATED. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN 06 HOUR FORECAST S OF 17N BETWEEN 85W AND 87W E TO SE
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 17N BETWEEN 84.5W AND 86W E TO SE WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST S OF 18N BETWEEN 85W AND 87W E TO SE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO S OF 26N W OF 90W LOCAL VSBY BELOW 3 NM IN SMOKE
AND HAZE.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.


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