High Seas Forecast
Issued by NWS

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000
FZNT01 KWBC 250940
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 25
24 HOUR FORECAST VALID 0600 UTC APR 26
48 HOUR FORECAST VALID 0600 UTC APR 27

.WARNINGS.

...STORM WARNING...
.LOW 64N36W 1021 MB NEARLY STATIONARY WILL MOVE SW AFTER 24
HOURS. N AND W OF A LINE FROM 65N35W TO 61N42W OVER ICE FREE
WATERS TO THE SE GREENLAND COAST WINDS TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST LOW 64N36W 1020 MB. WITHIN 120 NM N QUADRANT
WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 64N35W 1018 MB. WITHIN 180 NM SW AND 120 NM
NW QUADRANTS WINDS 30 TO 45 KT. SEAS 9 TO 16 FT. ELSEWHERE N OF A
LINE FROM 62N35W TO 60N39W TO 58N47W WINDS 20 TO 30 KT. SEAS 8 TO
13 FT.
.36 HOUR FORECAST LOW 63N36W 1016 MB. WITHIN 120 NM W AND NW
SEMICIRCLES WINDS 35 TO 50 KT. SEAS 10 TO 19 FT.
.48 HOUR FORECAST LOW 62N38W 1016 MB. WITHIN 120 NM OF LOW
CENTER...EXCEPT SE QUADRANT...WINDS 30 TO 45 KT. SEAS 9 TO 16 FT.
ELSEWHERE FROM 58N TO 65N BETWEEN 35W AND 42W WINDS 20 TO 30 KT.
SEAS 8 TO 14 FT.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 40N60W 999 MB MOVING E 10 KT. N OF
31N WITHIN 660 NM OF LOW CENTER...EXCEPT 360 NM N QUADRANT...
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.12 HOUR FORECAST LOW ABSORBED BY NEW LOW 40N56W 994 MB. WITHIN
120 NM NE...420 NM S AND SE...AND 540 NM W AND SW QUADRANTS WINDS
25 TO 35 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 41N54W 990 MB. WITHIN 240 NM S AND SW
SEMICIRCLES...AND WITHIN 360 NM E AND NE QUADRANTS WINDS 30 TO 45
KT. SEAS 10 TO 18 FT. ELSEWHERE WITHIN 660 NM NE...540 NM SE...
480 NM SW...AND 300 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO
15 FT.
.48 HOUR FORECAST LOW 45N58W 994 MB. OVER ICE FREE WATERS WITHIN
180 NM NE AND 360 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14
FT. ELSEWHERE WITHIN 480 NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS
TO 12 FT.

...GALE WARNING...
.LOW 33N49W 1008 MB MOVING NE 15 KT. WITHIN 300 NM SE QUADRANT N
OF 31N WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 38N43W 1003 MB. WITHIN 300 NM E AND
SE...AND 180 NM N QUADRANTS WINDS 25 TO 35 KT. SEAS TO 12 FT.
ELSEWHERE WITHIN 360 NM NE AND 480 NM SE QUADRANTS N OF 31N WINDS
20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 47N45W 999 MB. WITHIN 300 NM E AND NE AND
180 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE
WITHIN 420 NM NE...480 NM E AND SE...AND 300 NM NW QUADRANTS
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 35N73W 998 MB. WITHIN 300 NM SE AND 240
NM SW QUADRANTS N OF 31N WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
ELSEWHERE FROM 31N TO 36N W OF 65W WINDS 20 TO 30 KT. SEAS TO 11
FT.
.48 HOUR FORECAST LOW 37N55W 994 MB. WITHIN 300 NM SE SEMICIRCLE
N OF 31N WINDS 30 TO 40 KT. SEAS 9 TO 17 FT. ELSEWHERE WITHIN 480
NM SE SEMICIRCLE N OF 31N WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST LOW 35N68W 996 MB. EXCEPT WHERE DESCRIBED WITH
LOW 37N55W ABOVE...WITHIN 300 NM SE...240 NM SW...AND 180 NM NW
QUADRANTS N OF 31N WINDS 20 TO 30 KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 60N
BETWEEN 44W AND 59W.
.24 HOUR FORECAST DENSE FOG WITHIN 360 NM OF 47N49W.
.48 HOUR FORECAST DENSE FOG WITHIN 360 NM OF 49N49W.

.LIGHT TO MODERATE FREEZING SPRAY OVER ICE FREE WATERS W AND NW
OF A LINE FROM 60N55W TO 62N50W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.HIGH 59N38W 1025 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH E OF AREA.

.HIGH 55N44W 1025 MB MOVING SE 25 KT.
.24 HOUR FORECAST HIGH MERGED WITH HIGH E OF FORECAST AREA.

.HIGH 35N37W 1018 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH E OF FORECAST AREA.

.HIGH 32N76W 1018 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH S OF FORECAST AREA.

.24 HOUR FORECAST NEW HIGH 63N62W 1032 MB.
.48 HOUR FORECAST HIGH 62N56W 1032 MB.

.FORECASTER MILLS. 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 SAT APR 25.
24 HOUR FORECAST VALID 0600 UTC SUN APR 26.
48 HOUR FORECAST VALID 0600 UTC MON APR 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC E OF 60W S OF A LINE FROM 21N35W TO 13N60W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST S OF 12N E OF 58W WINDS 20 KT OR LESS. SEAS TO
9 FT IN N TO NE SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC COLD FRONT FROM 31N60W TO 27N70W. N OF 30N BETWEEN 58W AND
67W SW TO W WINDS 20 TO 25 KT...EXCEPT NW WINDS W OF FRONT. SEAS
TO 9 FT. N OF FRONT BETWEEN 67W AND 69W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN NW SWELL.
.06 HOUR FORECAST COLD FRONT FROM 31N58W TO 28N62W TO 26N70W. N
OF 30N BETWEEN 56W AND 70W WINDS 20 KT OR LESS. SEAS TO 9 FT IN
NW SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 31N50W TO 25N60W
TO 25N66W. N OF 29N W OF FRONT TO 65W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. CONDITIONS MERGED WITH AREA
DESCRIBED NEXT.

.ATLC 24 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.
.48 HOUR FORECAST COLD FRONT FROM 31N71W TO 30N75W TO 31N81W. N
OF A LINE FROM 31N52W TO 26N60W TO 29N76W TO 31N76W SW TO W
WINDS 20 TO 25 KT...EXCEPT NW WINDS N OF FRONT. SEAS 8 TO 10 FT.

.ATLC 06 HOUR FORECAST TROUGH FROM 31N48W TO 26N53W. BETWEEN 60
NM AND 300 NM E OF TROUGH SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST TROUGH DISSIPATED. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E WINDS 20
TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN S OF 17N BETWEEN 85.5W AND 87.5W E TO SE WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 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 S OF 17.5N BETWEEN 85W AND 87.5W 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 17N BETWEEN 84.5W AND 86W E TO SE WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST S OF 18N BETWEEN 84.5W AND 87W E TO SE WINDS
20 TO 25 KT. SEAS TO 8 FT.

.GULF OF MEXICO S OF 23N W OF 87W AND FROM 23N TO 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 SCHAUER. NATIONAL HURRICANE CENTER.


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