High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 171607
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU APR 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1200 UTC APR 17.
24 HOUR FORECAST VALID 1200 UTC APR 18.
48 HOUR FORECAST VALID 1200 UTC APR 19.

.WARNINGS.

...STORM WARNING...
.LOW 42N172W 985 MB MOVING NE 35 KT. FROM 35N TO 40N BETWEEN
166W AND 179W WINDS 35 TO 50 KT. SEAS 12 TO 25 FT...HIGHEST NEAR
36N176W. ELSEWHERE WITHIN 360 NM N AND 720 NM S SEMICIRCLES
WINDS 25 TO 40 KT. SEAS 9 TO 19 FT. ALSO FROM 30N TO 40N BETWEEN
174E AND 168E WINDS LESS THAN 25 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 47N153W 975 MB. WITHIN 180 NM SW OF A LINE
FROM 46N156W TO 14N151W WINDS 45 TO 60 KT. SEAS 17 TO 33 FT.
ELSEWHERE BETWEEN 120 NM AND 540 NM SW AND 240 NM NW
QUADRANTS... AND WITHIN 120 NM E OF A LINE FROM 50N148W TO
44N141W WINDS 35 TO 45 KT. SEAS 12 TO 23 FT. ALSO WITHIN 420 NM
N AND 660 NM E QUADRANTS...AND 720 NM SW SEMICIRCLE WINDS 25 TO
35 KT. SEAS 8 TO 18 FT...HIGHEST SW OF LOW.
.48 HOUR FORECAST LOW 51N140W 971 MB. WITHIN 240 NM SW OF A LINE
FROM 51N149W TO 47N135W WINDS 45 TO 60 KT. SEAS 24 TO 41 FT.
ELSEWHERE WITHIN 480 NM S AND SW QUADRANTS AND WITHIN 180 NM N
AND NE OF A FRONT FROM 55N144W TO 53N136W TO 49N129W WINDS 35 TO
50 KT. SEAS 18 TO 35 FT...EXCEPT 14 TO 21 FT N AND NE OF FRONT.
ALSO WITHIN 480 NM NE AND 600 NM NW QUADRANTS AND 720 NM S
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 10 TO 23 FT...HIGHEST S AND
SW OF LOW.

...GALE WARNING...
.LOW 55N137W 989 MB MOVING NW 10 KT. WITHIN 360 NM S AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN
120 NM N QUADRANT AND WITHIN 150 NM E OF A FRONT FROM 54N132W TO
50N128W TO 40N137W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ALSO FROM
37N TO 45N BETWEEN 137W AND 153W WINDS LESS THAN 25 KT. SEAS 8
TO 11 FT.
.24 HOUR FORECAST LOW 59N141W 998 MB. FROM 44N TO 57N E OF 134W
WINDS LESS THAN 25 KT. SEAS 8 TO 11 FT.
.36 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.12 HOUR FORECAST LOW 41N170E 1012 MB. WITHIN 300 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 43N180W 1004 MB. WITHIN 360 NM S
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 45N156W 999 MB. WITHIN 420 NM S SEMICIRCLE
WINDS 25 TO 40 KT. SEAS 11 TO 19 FT. ELSEWHERE FROM 40N TO 50N
BETWEEN 165W AND 174W WINDS TO 25 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW 41N162E 1002 MB. FROM 37N TO 45N BETWEEN
160E AND 171E WINDS 25 TO 35 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.FROM 32N TO 40N BETWEEN 122W AND 127W AREA OF NW TO N WINDS 20
TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST FROM 30N TO 39N BETWEEN 121W AND 125W AREA OF
NW TO N WINDS TO 25 KT. SEAS TO 11 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 54N168W 995 MB MOVING E 5 KT. FROM 50N TO 52N BETWEEN 179W
AND 177E WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 55N165W 991 MB. BETWEEN 120 NM AND 240 NM
SW QUADRANT WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW 53N162W 998 MB. BETWEEN 120 NM AND 300 NM
SW QUADRANT WINDS TO 25 KT. SEAS TO 10 FT.

.LOW 56N148W 995 MB MOVING NW 10 KT. WITHIN 240 NM S AND SW
QUADRANTS WINDS TO 25 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW 58N154W 995 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 34N TO 43N BETWEEN 155W AND 173W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 49N BETWEEN 142W AND
152W.
.48 HOUR FORECAST CONDITIONS IMPROVING.

.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
OVER FORECAST WATERS FROM 30N TO 34N BETWEEN 172E AND 163E.

.HIGH 42N145W 1020 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 44N130W 1019 MB.
.48 HOUR FORECAST HIGH INLAND.

.HIGH 32N166E 1024 MB MOVING E 35 KT.
.24 HOUR FORECAST HIGH 33N176W 1025 MB.
.48 HOUR FORECAST HIGH 35N172W 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 THU APR 17.
24 HOUR FORECAST VALID 1200 UTC FRI APR 18.
48 HOUR FORECAST VALID 1200 UTC SAT APR 19.

.WARNINGS.

...GULF OF TEHUANTEPEC GALE WARNING...

.42 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT.
SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE 16N95W TO
15N95W TO 14N96W N TO NE WINDS 30 TO 35 KT. SEAS 9 TO 11 FT.
ELSEWHERE WITHIN 60 NM EITHER SIDE OF LINE 16N95W TO 15N95W TO
11N99W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.

.SYNOPSIS AND FORECAST.

.WITHIN AREA BOUNDED BY A LINE FROM 12N105W TO 12N100W TO 06N98W
TO 06N102W TO 12N105W WINDS 20 KT OR LESS. SEAS TO 10 FT IN
MIXED NE AND S SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY A LINE FROM 18N140W TO 08N127W TO
05N140W TO 18N140W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED NW
AND NE SWELL.
.24 HOUR FORECAST FROM 07N TO 17N W OF 138W WINDS 20 KT OR LESS.
SEAS 8 FT PRIMARILY IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST FROM 07N TO 20N W OF 137W WINDS 20 KT OR LESS.
SEAS 8 FT PRIMARILY IN MIXED NW AND NE SWELL.

.N OF 28N BETWEEN 119W AND 126W WINDS 20 KT OR LESS. SEAS 8 FT
IN N SWELL.
.24 HOUR FORECAST N OF 29N BETWEEN 120W AND 125W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN N SWELL.
.48 HOUR FORECAST N OF 28N BETWEEN 118W AND 121W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN N SWELL.

.OVER FORECAST WATERS S OF 02N BETWEEN 105W AND 125W WINDS 20 KT
OR LESS. SEAS 8 FT IN SW SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10N TO 12N W OF 89W...INCLUDING THE GULF OF PAPAGAYO...E
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.06 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.

CONVECTION VALID 1500 UTC THU APR 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 08N84W TO 06N100W TO 04N120W TO 04N140W. SCATTERED
MODERATE FROM 04N TO 08N BETWEEN 83W AND 88W. SCATTERED MODERATE
TO STRONG FROM 04N TO 08N BETWEEN 128W AND 140W.

$$
.FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.



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