000
FZPN03 KNHC 181517
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU APR 18 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 18.
24 HOUR FORECAST VALID 1200 UTC FRI APR 19.
48 HOUR FORECAST VALID 1200 UTC SAT APR 20.

.WARNINGS.

...GALE WARNING...
.24 HOUR WITHIN 30 NM EITHER SIDE OF A LINE FROM 15N95W TO 
16N95W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT. 
SEAS 8 TO 10 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF A LINE 
FROM 14N95W TO 16N95W N WINDS 20 TO 30 KT. SEAS TO 9 FT.
.30 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 15N95W TO 13.5N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE 
WINDS 30 TO 40 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 90 NM 
EITHER SIDE OF A LINE FROM 16N95W TO 15N95W TO 13N96W N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 15N95W TO 13.5N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE 
WINDS 35 TO 45 KT. SEAS 11 TO 18 FT. ELSEWHERE WITHIN 30 NM 
EITHER SIDE OF A LINE FROM 16N95W TO 15N95W TO 13N96W N TO NE 
WINDS 25 TO 35 KT. SEAS 10 TO 16 FT. REMAINDER AREA WITHIN 60 NM 
EITHER SIDE OF A LINE FROM 16N95W TO 14N95W TO 12N97W N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 35 KT. SEAS 10 TO 16 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE 
OF LINE FROM 16N95W TO 14N95.5W TO 13N96W TO 12N97W N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. WITHIN 60 NM EITHER SIDE OF 
A LINE FROM 12N97W TO 10N100W NE TO E WINDS 20 TO 25 KT. SEAS 9 
TO 14 FT IN NE SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W TO 10.5N87W... 
...INCLUDING 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.

.N OF 28N BETWEEN 119W AND 125W WINDS 20 KT OR LESS. SEAS 8 FT 
IN NW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 04N TO 14N W OF 123W WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
MIXED SWELL.
.18 HOUR FORECAST FROM 09N TO 13N W OF 135W NE WINDS 20 TO 25 KT.
SEAS TO 9 FT. ELSEWHERE FROM 08N TO 16N W OF 124W WINDS 20 KT OR 
LESS. SEAS TO 9 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST FROM 08N TO 12N W OF 128W NE WINDS 20 TO 25 
KT. SEAS TO 9 FT. ELSEWHERE FROM 07N TO 17N W OF 124W WINDS 20 
KT OR LESS. SEAS TO 9 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST FROM 08N TO 15N W OF 135W NE WINDS 20 TO 25 
KT. SEAS 9 FT. ELSEWHERE FROM 04N TO 16N W OF 130W WINDS 20 KT 
OR LESS. SEAS 8 FT IN MIXED SWELL.

.GULF OF CALIFORNIA FROM 23N TO 26N NW WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST FROM 27N TO 28N NW WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.18 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 AT 1500 UTC THU APR 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
.TROUGH EXTENDS FROM 09N83W TO 08N94W TO 08N100W TO 04N100W. 
ITCZ EXTENDS FROM 04N100W TO 04N122W WHERE IT IS BISECTED BY A 
TROUGH THAT EXTENDS FROM 09N121W TO 02N123W. THE ITCZ RESUMES AT 
04N125W TO BEYOND 02N140W. SCATTERED TO NUMEROUS STRONG FROM 
WITHIN 180 NM S OF THE TROUGH BETWEEN 83W AND 87W. SCATTERED 
MODERATE ISOLATED STRONG WITHIN 180 NM S OF AXIS BETWEEN 90W AND 
96W. SCATTERED MODERATE WITHIN 120 NM N OF THE TROUGH BETWEEN 
107W AND 111W.

$$ 
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.