000
FZPN03 KNHC 211543
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC SAT APR 21 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT APR 21.
24 HOUR FORECAST VALID 1200 UTC SUN APR 22.
48 HOUR FORECAST VALID 1200 UTC MON APR 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 10N TO 14N W OF 130W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 
11 FT. ELSEWHERE W OF LINE FROM 03N140W TO 02N135W TO 10N113W TO 
13N114W TO 20N134W TO 29N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED SWELL. 
.24 HOUR FORECAST W OF LINE FROM 07N140W TO 10N120W TO 25N138W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST FROM 07N TO 20N W OF 126W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED SWELL.

.WITHIN 30 NM OF LINE FROM 11N86W TO 10N88W...INCLUDING GULF 
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT IN MIXED NE AND 
SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE IN WINDS. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 10N88W... 
INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.FROM 23N TO 29N BETWEEN 114W AND 118W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN NW SWELL. 
.06 HOUR FORECAST N OF LINE FROM 30N120W TO 28N131W WINDS 20 KT 
OR LESS. SEAS 8 FT IN NW SWELL.
.24 HOUR FORECAST N OF LINE FROM 30N120W TO 28N121W TO 25N138W 
TO 30N133W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.48 HOUR FORECAST N OF 28N BETWEEN 121W AND 132W WINDS 20 KT OR 
LESS. SEAS 8 FT IN NW SWELL.

.GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W AND 95.5W N WINDS 
20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE FROM 07.5N TO 14N BETWEEN 
92.5W AND 101W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED N TO 
NE AND SW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST S OF 02S BETWEEN 100W AND 120W WINDS 20 KT OR 
LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST S OF 01.5S BETWEEN 92W AND 120W WINDS 20 KT OR 
LESS. SEAS 8 FT IN SW SWELL.

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

CONVECTION VALID AT 1445 UTC SAT APR 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 09N74W TO 04N100W TO 07N113W. ITCZ CONTINUES FROM 
07N113W TO 08N134W TO BEYOND 07N140W. SCATTERED MODERATE TO 
STRONG WITHIN 150 NM N AND 120 NM S OF TROUGH BETWEEN 76W AND 
100W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 12N BETWEEN 
108W AND 125W. WIDELY SCATTERED MODERATE TO STRONG WITHIN 120 NM 
N OF ITCZ W OF 128W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.