000
FZPN03 KNHC 152119
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU APR 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU APR 15.
24 HOUR FORECAST VALID 1800 UTC FRI APR 16.
48 HOUR FORECAST VALID 1800 UTC SAT APR 17.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 08N TO 13N BETWEEN 133W AND 137W WINDS 20 KT OR LESS. SEAS 
8 FT IN MIXED SWELL. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST FROM 08N TO 11N BETWEEN 128W AND 135W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.   
.48 HOUR FORECAST FROM 08N TO 11N W OF 130W NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 9 FT. FROM 14N TO 19N BETWEEN 128W AND 132W NE 
TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.

.30 HOUR FORECAST N OF 26N E OF 116W NW 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 15...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM A 1009 MB LOW PRESSURE LOCATED 
OVER NORTHERN COLOMBIA NEAR 09N75W TO 08N90W TO 08N103W. THE 
ITCZ CONTINUES FROM 08N103W TO 06N124W TO BEYOND 02N140W. A 
SURFACE TROUGH IS ANALYZED WITHIN THE ITCZ AND EXTENDS FROM 
08N126W TO 03N128W. A LARGE CLUSTER OF MODERATE TO STRONG 
CONVECTION PERSISTS FROM 02N-09N BETWEEN 80W-86W. SCATTERED 
MODERATE ISOLATED STRONG CONVECTION CAN BE FOUND FROM 03N-08N 
BETWEEN 113W-118W...AND E OF THE SURFACE TROUGH AXIS FROM 04N-
07N BETWEEN 122W-126W. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.