000
FZPN03 KNHC 041524
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU MAY 4 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU MAY 4.
24 HOUR FORECAST VALID 1200 UTC FRI MAY  5.
48 HOUR FORECAST VALID 1200 UTC SAT MAY  6.

.WARNINGS.

...GALE WARNING...
.18 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS BUILDING TO 
8 FT.
.24 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO
35 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF A
LINE FROM 16N95W TO 14N95W N WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.36 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
30 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 45 NM EITHER 
SIDE OF A LINE FROM 16N95W TO 14N95W N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT. REMAINDER OF AREA WITHIN 75 NM EITHER SIDE OF A 
LINE FROM 16N95W TO 15N95W TO 12.5N95.5W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14N95W TO 11.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO
NE WINDS 20 TO 30 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 90 NM 
EITHER SIDE OF A LINE FROM 16N95W TO 14N95W TO 11.5N96.5W WINDS 
20 KT OR LESS. SEAS 8 TO 11 FT IN NE SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN AREA BOUNDED BY 03.4S90W TO 03.4S113W TO 02S110W TO
01S100W TO 00S94W TO 03.4S90W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN MIXED SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.12 HOUR FORECAST COLD FRONT FROM 30N137W TO 29N140W. WITHIN 
AREA BOUNDED BY 29N139.5W TO 29N140W TO 30N140W TO 30N139W TO 
29N139.5W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 30N131W TO 27N140W. WITHIN 
AREA BOUNDED BY 28N134W TO 27N140W TO 30N140W TO 30N132W TO 
28N134W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.36 HOUR FORECAST COLD FRONT WEAKENING FROM 30N130W TO 25N125W TO
20N136W. WITHIN AREA BOUNDED BY 28N126W TO 24N140W TO 30N140W 
TO 30N123W TO 28N126W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST COLD FRONT DISSIPATING FROM 30N117W TO 23N124W
TO 20N134W. WITHIN AREA BOUNDED BY 30N140W TO 30N119W TO 25N123W
TO 21N140W TO 30N140W NW TO N WINDS 20 TO 25 KT...EXCEPT N TO NE
WINDS W OF 130W. SEAS 8 TO 10 FT...EXCEPT 9 TO 11 FT N OF 28N
BETWEEN 120W AND 130W IN NORTHERLY SWELL.

.42 HOUR FORECAST GULF OF CALIFORNIA TROUGH FROM 31.5N114W TO
30.5N115W. N OF 29.5N E OF TROUGH S TO SW WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA TROUGH FROM 31.5N113.5W TO
30.5N114.5W. N OF 29.5N E OF TROUGH S TO SW WINDS 20 TO 30 KT.
SEAS BUILDING TO 8 FT.

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

CONVECTION VALID AT 1500 UTC THU MAY 4...

.SCATTERED MODERATE FROM 02N TO 05N WITHIN 120 NM W OF COLOMBIA.

.SCATTERED MODERATE WITHIN 120 NM SW OF EL SALVADOR.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 08N78W TO 10N97W TO 08N116W. ITCZ AXIS
EXTENDS FROM 05N114W TO 06N125W TO 04N134W. SCATTERED MODERATE
ISOLATED STRONG WITHIN 240 NM SW OF TROUGH BETWEEN 91W AND 96W
AND WITHIN 210 NM S OF TROUGH BETWEEN 99W AND 102W. SIMILAL
CONVECTION WITHIN AREA BOUNDED BY 08N135W TO 08N127W TO 05N120W 
TO 04N120W TO 03N133W TO 08N135W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.