High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 181623
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI APR 18 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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

SYNOPSIS VALID 1200 UTC APR 18.
24 HOUR FORECAST VALID 1200 UTC APR 19.
48 HOUR FORECAST VALID 1200 UTC APR 20.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 48N151W 973 MB MOVING NE 15 KT. BETWEEN 120 NM AND 540 NM S
QUADRANT AND WITHIN 240 NM W QUADRANT WINDS 35 TO 50 KT. SEAS 14
TO 28 FT...HIGHEST NEAR 42N154W. ELSEWHERE WITHIN 420 NM N AND
NW...660 NM E...AND 780 NM S AND SW QUADRANTS WINDS 25 TO 40 KT.
SEAS 12 TO 21 FT...EXCEPT 8 TO 15 FT N OF LOW. ALSO FROM 30N TO
TO 37N BETWEEN 159W AND 178E WINDS LESS THAN 25 KT. SEAS 8 TO 16
FT WITH NW SWELL.
.12 HOUR FORECAST LOW 50N146W 969 MB. WITHIN 240 NM SW OF A LINE
FROM 50N149W TO 46N140W WINDS 50 TO 65 KT. SEAS 23 TO 35 FT.
ELSEWHERE WITHIN 600 NM S AND 360 NM W QUADRANTS AND WITHIN 180
NM N AND NE OF A FRONT FROM 53N146W TO 50N136W TO 45N134W WINDS
35 TO 50 KT. SEAS 10 TO 18 FT...EXCEPT 18 TO 30 FT OVER S
QUADRANT. ALSO WITHIN 720 NM S SEMICIRCLE AND E QUADRANT...AND
480 NM N AND NW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 22 FT...
HIGHEST S AND SW OF CENTER.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 53N146W 972 MB
AND SECOND CENTER TO FORM 51N139W 969 MB. FRONT TO EXTEND FROM
55N147W TO 54N136W TO 49N128W. WITHIN 300 NM S OF A LINE FROM
52N150W TO 48N133W AND WITHIN 120 NM N AND NE OF FRONT WINDS 40
TO 55 KT. SEAS 24 TO 40 FT...EXCEPT 14 TO 21 FT N AND NE OF
FRONT. ELSEWHERE WITHIN 600 NM E AND W...720 NM S AND 540 NM N
QUADRANTS OF SECOND CENTER WINDS 25 TO 40 KT. SEAS 14 TO 32
FT... HIGHEST S OF LOWS. ALSO FROM 30N TO 38N BETWEEN 164W AND A
30N150W TO 38N134W LINE WINDS LESS THAN 25 KT. SEAS 9 TO 18 FT
WITH NW SWELL.
.48 HOUR FORECAST LOW 54N148W 977 MB. FROM 48N TO 52N BETWEEN
145W AND 158W WINDS 35 TO 50 KT. SEAS 15 TO 27 FT. ELSEWHERE
WITHIN 540 NM NE...900 NM SE...720 NM SW...AND 300 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 22 FT. ALSO FROM 30N TO
40N BETWEEN 123W AND 154W WINDS LESS THAN 25 KT. SEAS 8 TO 16 FT.

...STORM WARNING...
.LOW 39N156E 1010 MB W OF AREA MOVING NE 10 KT. FROM 36N TO 40N
BETWEEN 160E AND 163E WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 42N160E 1000 MB. WITHIN 120 NM N OF A
FRONT FROM 43N163E TO 43N169E WINDS 25 TO 35 KT. SEAS TO 12 FT.
ELSEWHERE FROM 34N TO 46N BETWEEN 160E AND 174E WINDS 20 TO 30
KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 45N168E 978 MB. WITHIN 300 NM S AND 240 NM
W QUADRANTS WINDS 40 TO 55 KT. SEAS 17 TO 28 FT. ELSEWHERE
WITHIN 540 NM S AND 420 NM W AND NW QUADRANTS...AND WITHIN 240
NM NE AND E OF A FRONT FROM 49N171E TO 46N179E TO 37N177E WINDS
30 TO 40 KT. SEAS 14 TO 20 FT...EXCEPT 9 TO 13 FT NE AND E OF
FRONT. ALSO WITHIN 780 NM NE...960 NM SE...600 NM SW...AND 420
NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.LOW 44N179W 1007 MB MOVING NE 40 KT. WITHIN 420 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 46N156W 995 MB. WITHIN 300 NM S QUADRANT
WINDS 35 TO 45 KT. SEAS 14 TO 22 FT. ELSEWHERE WITHIN 720 NM W
AND 540 NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 17 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 54N148W
DESCRIBED ABOVE.

.SYNOPSIS AND FORECAST.

.FROM 30N TO 39N BETWEEN 122W AND 125W AREA OF NW TO N WINDS TO
25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 54N162W 989 MB MOVING E 10 KT. BETWEEN 120 NM AND 300 NM S
QUADRANT WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.24 HOUR FORECAST NEW LOW 57N166W 996 MB. FROM 52N TO 56N
BETWEEN 170W AND 178W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 40N TO 49N BETWEEN 140W AND 151W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
OVER FORECAST WATERS FROM 30N TO 35N BETWEEN 171E AND 164E.
.48 HOUR FORECAST DENSE FOG FROM 30N TO 47N BETWEEN 176W AND
174E.

.HIGH 44N128W 1020 MB MOVING E 25 KT.
.24 HOUR FORECAST HIGH INLAND.

.HIGH 33N178W 1025 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 38N169E 1022 MB MOVING SE 30 KT.
.24 HOUR FORECAST HIGH 37N176W 1028 MB.
.48 HOUR FORECAST HIGH 37N164W 1031 MB.

.24 HOUR FORECAST NEW HIGH 34N145W 1024 MB.
.48 HOUR FORECAST HIGH 37N130W 1027 MB.

.FORECASTER CLARK. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 3.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1200 UTC FRI APR 18.
24 HOUR FORECAST VALID 1200 UTC SAT APR 19.
48 HOUR FORECAST VALID 1200 UTC SUN APR 20.

.WARNINGS.

...GULF OF TEHUANTEPEC GALE WARNING...

.12 HOUR FORECAST GULF OF TEHUANTEPEC N WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.18 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W
INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS 9
TO 12 FT. ELSEWHERE WITHIN 45 NM OF LINE FROM 16N95W TO 13N95W N
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO
13N96W INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT.
SEAS 9 TO 12 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO
13N96W N WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.30 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO 11N98W
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT.
SEAS 8 TO 10 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.FROM 12N TO 16N W OF 138W WINDS 20 KT OR LESS. SEAS TO 9 FT IN
NE SWELL.
.24 HOUR FORECAST FROM 06N TO 18N W OF 138W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST FROM 07N TO 15N W OF 135W WINDS 20 KT OR LESS.
SEAS TO 8 FT N MIXED NW AND NE SWELL.

.N OF 29N BETWEEN 121W AND 124W WINDS 20 KT OR LESS. SEAS TO 8
FT IN NW SWELL.
.24 HOUR FORECAST N OF 28N BETWEEN 118W AND 122W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN MIXED W AND NW SWELL.
.48 HOUR FORECAST NW OF A LINE FROM 30N131W TO 26N140W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN PRIMARILY NW SWELL.

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

CONVECTION VALID 1500 UTC FRI APR 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 06N78W TO 06N90W. ITCZ FROM 06N90W TO
07N110W TO 05N133W. SCATTERED MODERATE FROM 03N TO 07N BETWEEN
78W AND 104W. SCATTERED MODERATE TO ISOLATED STRONG FROM 02N TO
08N BETWEEN 116W AND 133W.

$$
.FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.



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