000
FZPN03 KNHC 182111
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU APR 18.
24 HOUR FORECAST VALID 1800 UTC FRI APR 19.
48 HOUR FORECAST VALID 1800 UTC SAT APR 20.

.WARNINGS.

...GALE WARNING...
.18 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 95.5W...INCLUDING 
GULF OF TEHUANTEPEC...N WINDS 25 TO 35 KT...INCREASING TO 40 KT. 
SEAS TO 8 FT BUILDING TO 11 FT.
.24 HOUR FORECAST N OF 13.5N BETWEEN 94.5W AND 96W...INCLUDING 
GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 14 
FT. ELSEWHERE N OF 13N BETWEEN 93.5W AND 96.5W N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 10 FT.
.30 HOUR FORECAST N OF 13.5N BETWEEN 94.5W AND 96W...INCLUDING 
GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 16 
FT BUILDING TO 18 FT. ELSEWHERE N OF 12.5N BETWEEN 93W AND 97W N 
TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. REMAINDER AREA N OF 
11.5N BETWEEN 93W AND 97.5W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST N OF 12N BETWEEN 94.5W AND 97W...INCLUDING 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 
FT. ELSEWHERE N OF 8.5N BETWEEN 93W AND 100W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN MIXED NE AND SW SWELL.

.SYNOPSIS AND FORECAST.

.N OF 25N BETWEEN 116W AND 122W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN NW SWELL.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.TROUGH FROM 10N127W TO 04N128W. FROM 05N TO 12N BETWEEN 123W 
AND 130W AND FROM 08N TO 11N W OF 136W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN NW SWELL.
.18 HOUR FORECAST TROUGH FROM 08N133W TO 02N135W. FROM 09N TO 
12N BETWEEN 130W AND 133W NE WINDS 20 TO 25 KT. SEAS 9 FT. 
ELSEWHERE FROM 07N TO 16N W OF 127W WINDS 20 KT OR LESS. SEAS 8 
FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST TROUGH FROM 06N135W TO 01N136W. FROM 08N TO 
12N BETWEEN 130W AND 136W NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
ELSEWHERE FROM 06N TO 15N W OF 127W WINDS 20 KT OR LESS. SEAS 
8 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST TROUGH W OF THE AREA. FROM 07N TO 11N W OF 
137W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 
05N TO 16N W OF 130W WINDS 20 KT OR LESS. SEAS 8 FT.

.GULF OF CALIFORNIA 06 HOUR FORECAST S OF 28N NW WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST N OF 29.5N SW TO W WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT. 
.48 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 2100 UTC THU APR 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH EXTENDS FROM 08N84W TO 06N93W TO 03N101W. ITCZ EXTENDS 
FROM 05N127W TO 02N140W. SCATTERED MODERATE TO STRONG FROM 03N 
TO 10N BETWEEN 81W AND 102W. SCATTERED MODERATE FROM 01S TO 3.5S 
BETWEEN 101W AND 125W.

$$ 
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.