000
FZPN03 KNHC 231545
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU SEP 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU SEP 23.
24 HOUR FORECAST VALID 1200 UTC FRI SEP 24.
48 HOUR FORECAST VALID 1200 UTC SAT SEP 25.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N95W TO 11N98W TO 14N96W TO 16N95W TO 14N95W...INCLUDING
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 
13 FT. ELSEWHERE WITHIN 12N96W TO 12N98W TO 15N96W TO 15N94W TO 
14N94W TO 12N96W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 14N95W TO 14N96W TO 16N95W TO 15N95W TO
14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST WITHIN 15N95W TO 14N97W TO 16N95W TO 15N95W...
INCLUDING THE GULF OF TEHUANTEPEC...NE WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.

.WITHIN 20N131W TO 17N132W TO 20N139W TO 21N140W TO 24N140W TO
20N131W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NW AND NE SWELL.
.24 HOUR FORECAST WITHIN 17N137W TO 17N140W TO 19N140W TO 
20N138W TO 19N137W TO 17N137W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN MIXED NW AND NE SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 07N132W TO 05N134W TO 06N136W TO 07N135W TO 08N129W TO
07N132W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NW AND S SWELL.
.24 HOUR FORECAST WITHIN 08N134W TO 06N138W TO 10N139W TO 
10N137W TO 08N137W TO 08N134W WINDS 20 KT OR LESS. SEAS 8 FT IN 
MIXED NW AND S SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.12 HOUR FORECAST WITHIN 03.4S107W TO 03S114W TO 03.4S120W TO
03S119W TO 02S107W TO 03.4S107W WINDS 20 KT OR LESS. SEAS 8 FT 
IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 03.4S100W TO 03S113W TO 03.4S120W TO 
00N118W TO 01S108W TO 03.4S100W WINDS 20 KT OR LESS. SEAS 8 FT IN
S TO SW SWELL.
.48 HOUR FORECAST WITHIN 03.4S94W TO 03S109W TO 03.4S120W TO 
02S114W TO 02S103W TO 03.4S94W WINDS 20 KT OR LESS. SEAS 8 FT IN 
S TO SW SWELL.

.24 HOUR FORECAST LOW PRES NEAR 20N127.5W 1011 MB.  WITHIN 
21N123W TO 21N126W TO 22N125W TO 21N123W WINDS 20 KT OR LESS. 
SEAS 8 FT IN MIXED NW AND E SWELL.
.48 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 1530 UTC THU SEP 23...

.LOW PRES 1009 MB NEAR 18.5N123W SCATTERED TO NUMEROUS MODERATE
TO STRONG WITHIN 120 NM N SEMICIRCLE. WIDELY SCATTERED MODERATE
WITHIN 210 NM SW QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM LOW PRESSURE NEAR 11N94W 1009 MB
TO 09N82W TO 13N92W TO 08N108W TO 11N116W. ITCZ BEGINS NEAR 
11.5N122W TO 09N132W TO BEYOND 10.5N140W. SCATTERED TO LOCALLY 
NUMEROUS MODERATE TO STRONG CONVECTION IS FROM 02.5N TO 07N E OF 
81W...AND WITHIN 60 NM N AND 120 NM OF THE ITCZ W OF 122W. 
SCATTERED MODERATE TO STRONG CONVECTION IS FROM 07N TO 14.5N 
BETWEEN 83W AND 117W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.