High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 271556
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON APR 27 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

SYNOPSIS VALID 1200 UTC APR 27.
24 HOUR FORECAST VALID 1200 UTC APR 28.
48 HOUR FORECAST VALID 1200 UTC APR 29.

.WARNINGS.

...STORM WARNING...
.LOW 41N139W 1004 MB MOVING NE 30 KT AND RAPIDLY INTENSIFYING.
FRONT EXTENDS FROM 45N137W TO LOW CENTER TO 34N142W. WITHIN 180
NM E OF THE FRONT WINDS 30 TO 40 KT. SEAS 10 TO 16 FT. ELSEWHERE
WITHIN 420 NM SE SEMICIRCLE EXCEPT 600 NM S QUADRANT...FROM 30N
TO 45N BETWEEN 142W AND 151W...AND FROM 30N TO 32N BETWEEN 151W
AND 174W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 52N133W 979 MB. WITHIN 180 NM S SEMICIRCLE
WINDS 40 TO 55 KT. SEAS 13 TO 26 FT. ELSEWHERE FROM 44N TO 52N
BETWEEN 126W AND 140W...AND WITHIN 180 NM N SEMICIRCLE WINDS 25
TO 40 KT. SEAS 8 TO 20 FT...HIGHEST SE QUADRANT.
.48 HOUR FORECAST LOW MOVED WELL INLAND. CONDITIONS DESCRIBED
WITH LOW 55N138W DETAILED BELOW.

...GALE WARNING...
.LOW 53N147W 988 MB DRIFTING NE 05 KT. WITHIN 300 NM S
SEMICIRCLE AND BETWEEN 120 NM AND 240 NM NE QUADRANT WINDS 25 TO
35 KT. SEAS 10 TO 17 FT. ELSEWHERE WITHIN 360 NM NE...420 NM E
AND SE...540 NM SW...AND 240 NM NW QUADRANTS WINDS 20 TO 30 KT.
SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW 55N144W 990 MB. FROM 48N TO 54N BETWEEN
140W AND 152W...AND WITHIN 180 NM NW QUADRANT WINDS 25 TO 35 KT.
SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 55N138W 1004 MB. WITHIN 300 NM S AND SE
QUADRANTS...AND FROM 44N TO 50N BETWEEN 130W AND 141W WINDS 20
TO 30 KT. SEAS 9 TO 12 FT.

...GALE WARNING...
.LOW 56N177W 995 MB DRIFTING N WILL TURN W AFTER 12 HOURS.
WITHIN 240 NM SW SEMICIRCLE...180 NM NE SEMICIRCLE...AND FROM
42N TO 48N BETWEEN 160W AND 170W WINDS 25 TO 35 KT. SEAS 9 TO 15
FT. ELSEWHERE WITHIN 300 NM S AND SW OF A FRONT EXTENDING FROM
57N179W TO 56N172W TO 50N164W...AND WITHIN 480 NM S OF A FRONT
EXTENDING FROM 50N164W TO 47N169W TO 46N178W WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 57N179W 992 MB. OVER ICE FREE FORECAST
WATERS WITHIN 300 NM N AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.48 HOUR FORECAST LOW 55N180W 998 MB. WITHIN 240 NM W AND 420 NM
S AND SW QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.

...GALE WARNING...
.LOW 43N173E 1012 MB MOVING NE 30 KT. FRONT EXTENDS FROM 46N178W
TO LOW CENTER TO 36N166E. WITHIN 300 NM SE QUADRANT WINDS 25 TO
35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 420 NM S AND SE OF THE
FRONT WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW ABSORBED BY LOW 53N180W BELOW. FROM 39N TO
46N BETWEEN 140W AND 173W AREA OF W TO SW WINDS 25 TO 35 KT.
SEAS 8 TO 14 FT.
.48 HOUR FORECAST CONDITIONS ABSORBED WITH LOW 55N157W BELOW.

...GALE WARNING...
.LOW W OF AREA 49N159E 998 MB MOVING NE 30 KT. OVER FORECAST
WATERS S AND W OF A LINE FROM 49N160E TO 49N171E TO 41N160E
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.12 HOUR FORECAST LOW 52N171E 991 MB. WITHIN 300 NM SE AND 420
NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 13 FT.
.24 HOUR FORECAST LOW 53N180W 989 MB. WITHIN 420 NM S SEMICIRCLE
EXCEPT 540 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 55N157W 992 MB. WITHIN 480 NM S AND SW AND
900 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

.SYNOPSIS AND FORECAST.

.LOW 33N118W 1011 MB DRIFTING E. WITHIN 360 NM SW AND 420 NM NW
QUADRANTS N OF 30N WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 31N TO 38N BETWEEN 121W
AND 126W AREA OF N TO NW WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 30N TO 40N BETWEEN 120W AND 130W AREA OF
N TO NW WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.

.48 HOUR FORECAST LOW 37N174E 1016 MB. WITHIN 180 NM S AND SE OF
A FRONT TO EXTEND FROM 42N170W TO 41N178W TO LOW CENTER WINDS 20
TO 30 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM S AND
SE OF A FRONT FROM 47N170W TO 46N179E TO 43N173E TO 40N171E.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM OF 46N169W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM S OF A LINE FROM
44N156W TO 43N176W.

.HIGH 34N131W 1024 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH 30N134W 1024 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 37N168W 1036 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH 34N158W 1034 MB.
.48 HOUR FORECAST HIGH 35N155W 1034 MB.

.HIGH W OF FORECAST AREA NEAR 37N157E 1025 MB.
.24 HOUR FORECAST HIGH 38N162E 1022 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 42N164E 1024 MB.

.FORECASTER REINHART. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1200 UTC MON APR 27.
24 HOUR FORECAST VALID 1200 UTC TUE APR 28.
48 HOUR FORECAST VALID 1200 UTC WED APR 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 24N BETWEEN 115W AND 123W WINDS 20 KT OR LESS. SEAS 8 TO
10 FT IN N SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY LINE FROM 20N140W TO 10N115W TO 06N140W
TO 20N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NE
SWELL.
.24 HOUR FORECAST FROM 09N TO 11N BETWEEN 130W AND 135W NE WINDS
20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE FROM 07N TO 15N W OF 120W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN NE SWELL.
.48 HOUR FORECAST FROM 08N TO 16N W OF 135W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN NE SWELL.

.S OF LINE FROM 00N120W TO 06N110W TO 03.4S195W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN SW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST N OF 28N W OF 138W WIND 20 KT OR LESS. SEAS
TO 8 FT IN NW SWELL.
.48 HOUR FORECAST N OF 28N BETWEEN 120W AND 125W N WINDS 20 TO
25 KT. SEAS TO 9 FT. ELSEWHERE NW OF LINE FROM 30N120W TO
16N140W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.

.48 HOUR FORECAST N OF 15N BETWEEN 94W AND 96W...INCLUDING GULF
OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID 1500 UTC MON APR 27...

.SCATTERED MODERATE FROM 06.5N TO 08.5N BETWEEN 83W AND 87W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 04N89W TO 12N100W TO LOW PRES NEAR 07N115W 1007 MB TO
02N130W TO 06N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN
120 NM S OF AXIS BETWEEN 90W AND 95W. SCATTERED MODERATE TO
ISOLATED STRONG WITHIN 150 NM EITHER SIDE OF AXIS BETWEEN 105W
AND 120W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.


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