000
FZPN03 KNHC 232101
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU SEP 23.
24 HOUR FORECAST VALID 1800 UTC FRI SEP 24.
48 HOUR FORECAST VALID 1800 UTC SAT SEP 25.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N95W TO 13N96W TO 16N95W TO 15N95W TO 14N95W...INCLUDING
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS TO 9 
FT. ELSEWHERE WITHIN 12N96W TO 12N97W TO 13N97W TO 15N96W TO 
15N95W TO 12N96W WINDS 20 KT OR LESS. SEAS 8 IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 14N95W TO 14N95.5W TO 16N95W TO 
16N94.5W TO 15.5N94.5W TO 14N95W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N N TO NE WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.

.WITHIN 17N131W TO 17N135W TO 19N140W TO 20N133W TO 17N131W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND NE SWELL.
.24 HOUR FORECAST WITHIN 11N139W TO 09N140W TO 11N140W TO 
19N140W TO 17N137W TO 11N139W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN MIXED NW AND NE SWELL.
.33 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 03.4S102W TO 03.4S120W TO 02N137W TO 07N137W TO 09N126W
TO 03.4S102W WINDS 20 KT OR LESS. SEAS 8 FT IN PRIMARILY S TO SW
SWELL.
.24 HOUR FORECAST WITHIN 03.4S93W TO 03.4S120W TO 00N127W TO 
02N126W TO 02N107W TO 03.4S93W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 03.4S86W TO 03.4S120W TO 02N115W TO 
05N108W TO 03N96W TO 03.4S86W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN S TO SW SWELL.

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

CONVECTION VALID AT 2030 UTC THU SEP 23...

.LOW PRES 1009 MB NEAR 19N124W SCATTERED MODERATE ISOLATED 
STRONG WITHIN 240 NM NE AND 210 NM SW SEMICIRCLES. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM LOW PRESSURE NEAR 10N76.5W 1009 MB 
TO 08.5N86W TO 11N96W TO 13N121W. ITCZ BEGINS NEAR 11N126W TO 
09.5N135W TO BEYOND 11N140W. SCATTERED MODERATE TO STRONG 
CONVECTION FROM 05N TO 10N E OF 87.5W...AND WITHIN 30 NM N AND 
180 NM OF THE ITCZ W OF 127W. SCATTERED MODERATE CONVECTION FROM 
07N TO 14.5N BETWEEN 90W AND 118W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.