000
FZPN03 KNHC 181523
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN APR 18 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN APR 18.
24 HOUR FORECAST VALID 1200 UTC MON APR 19.
48 HOUR FORECAST VALID 1200 UTC TUE APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 08N132W TO 05N134W TO 09N140W TO 17N140W TO 15N134W TO
08N132W WINDS 20 KT OR LESS. SEAS 8 FT IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 09N133W TO 08N140W TO 20N140W TO
20N133W TO 09N133W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 16N137W TO 07N140W TO 25N140W TO
23N134W TO 20N134W TO 16N137W WINDS 20 KT OR LESS. SEAS 8 FT IN
NW SWELL.

.06 HOUR FORECAST WITHIN 30N113W TO 30N114W TO 32N115W TO
31N113W TO 30N113W...INCLUDING GULF OF CALIFORNIA...NW TO N 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.27 HOUR FORECAST WITHIN 14N94W TO 15N96W TO 16N96W TO 16N95W TO
16N94W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT. 
.36 HOUR FORECAST CONDITIONS IMPROVE. 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 1510 UTC SUN APR 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO 09N100W TO 06N117W. ITCZ
AXIS EXTENDS FROM 06N117W TO 04N140W. SCATTERED MODERATE FROM 01N
TO 13N E OF 100W...WITHIN 180 NM N OF MONSOON/ITCZ W OF 100W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.