000
FZPN03 KNHC 121553
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED APR 12 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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

SYNOPSIS VALID 1200 UTC WED APR 12.
24 HOUR FORECAST VALID 1200 UTC THU APR 13.
48 HOUR FORECAST VALID 1200 UTC FRI APR 14.

.WARNINGS.

...GALE WARNING...
.WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W TO 
15N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 35 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF 
A LINE FROM 16N95W TO 14N96W N TO NE WINDS 20 TO 30 KT. SEAS 8 
TO 9 FT.
.06 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14N96W TO 13N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO 
NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.18 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 30 TO 35 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 60 NM 
EITHER OF LINE FROM 16N95W TO 13.5N96W N TO NE WINDS 20 TO 30 
KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
25 TO 30 KT. SEAS 8 TO 11 FT. WITHIN 60 NM EITHER SIDE OF A LINE 
FROM 14N96W TO 12.5N97W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.30 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14N95.5W TO 13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO 
NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. WITHIN 60 NM EITHER SIDE 
OF LINE FROM 13N96W TO 11N98W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN DECAYING NE SWELL MIXED WITH LONG PERIOD SW SWELL. 
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 25 TO 30 
KT. SEAS 8 TO 9 FT. WITHIN 30 NM EITHER SIDE OF LINE FROM 15N95W 
TO 14N96W WINDS 20 KT OR LESS. SEAS 8 FT IN LONG PERIOD SW 
SWELL.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N128W TO 27N133W TO 26N140W. SECOND COLD 
FRONT NW OF AREA. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST COLD FRONT FROM 30N126W TO 27N132W TO 25N140W. 
SECOND COLD FRONT FROM 30N133W TO 28N140W. NW OF LINE FROM 
30N135W TO 28N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL.
.24 HOUR FORECAST FIRST COLD FRONT WEAKENING FROM 30N122W TO 
26N129W AND DISSIPATING STATIONARY TO 25N140W. SECOND COLD FRONT 
FROM 30N127W TO 28N131W TO 27N140W. FRONTS TO MERGE IN 18 HOURS. 
NW OF LINE FROM 30N130W TO 27N134W TO 26N140W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN NW SWELL...HIGHEST FAR NW.
.42 HOUR FORECAST DISSIPATING MERGED FRONT FROM 30N116W TO 
26N125W TO 24N140W. N OF 19N W OF LINE FROM 30N122W TO 26N127W 
TO 19N132W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N 
SWELL...HIGHEST NE.
.48 HOUR FORECAST N OF 19N W OF LINE FROM 30N117W TO 26N123W TO 
19N130W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL 
...HIGHEST NE. 

.N OF 27N E OF 118W TO COAST OF BAJA CALIFORNIA...INCLUDING 
SEBASTIAN VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS 8 FT IN NW 
SWELL.
.12 HOUR FORECAST N OF 28N BETWEEN 115W AND 117W...INCLUDING 
SEBASTIAN VIZCAINO BAY...NW WINDS 20 TO 25 KT. SEAS 8 FT. FROM 
23N TO 28N BETWEEN 114W AND 117W WINDS 20 KT OR LESS. SEAS TO 8 
FT IN NW SWELL.
.24 HOUR FORECAST LITTLE CHANGE. 
.36 HOUR FORECAST FROM 24N TO 28N BETWEEN 114W AND 116W AND N OF 
28N E OF 117W TO COAST OF BAJA CALIFORNIA...INCLUDING SEBASTIAN 
VIZCAINO BAY...NW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST N OF 28N E OF 117W TO COAST OF BAJA CALIFORNIA 
NORTE...INCLUDING SEBASTIAN VIZCAINO BAY...NW TO N WINDS 20 TO 
25 KT. SEAS 8 TO 9 FT. FROM 22N TO 28N BETWEEN 114W AND 117W 
WINDS 20 KT OR LESS. SEAS TO 8 TO 9 FT IN NW SWELL.

.FROM 09N TO 14N W OF 126W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 
11 FT. ELSEWHERE FROM 06N TO 20N W OF 130W AND FROM 05N TO 14N 
BETWEEN 116W AND 130W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
MIXED NE AND NW SWELL.
.12 HOUR FORECAST FROM 05N TO 18N W OF 125W AND FROM 05N TO
14N BETWEEN 116W AND 125W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST FROM 05N TO 19N W OF 116W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST FROM 04N TO 19N W OF 127W AND FROM 05N TO 17N 
BETWEEN 115W AND 127W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
MIXED NE AND NW SWELL.

.WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W TO 10.5N87.5W... 
INCLUDING THE GULF OF PAPAGAYO...NE TO E 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 WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10.5N88...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 
TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W 
TO 11N88W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE. 

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

CONVECTION VALID AT 1530 UTC WED APR 12...

.SCATTERED MODERATE WITHIN 60 NM OF LINE FROM 02N90W TO 
02N93W...AND WITHIN 30 NM OF 02N88.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
NORTHERN ITCZ AXIS EXTENDS FROM 05N104W TO 02N116W TO 04N126W TO 
04N133W WHERE IT BRIEFY ENDS. IT RESUMES AT 04N137W TO BEYOND 
THE AREA AT 03N140W. A SOUTHERN ITCZ AXIS EXTENDS FROM 03.4S110W 
TO 03.4S115W TO 03.4S124W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 240 NM N OF THE NORTHERN ITCZ AXIS BETWEEN 117W AND 127W. 
SCATTERED MODERATE TO STRONG WITHIN 60 NM N OF THE SOUTHERN ITCZ 
AXIS BETWEEN 110W AND 115W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.