000
FZPN03 KNHC 152137
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN OCT 15 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN OCT 15.
24 HOUR FORECAST VALID 1800 UTC MON OCT 16.
48 HOUR FORECAST VALID 1800 UTC TUE OCT 17.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N95W TO 14N98W TO 13N98W TO 14N96W TO 15N95W TO 
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...NE WINDS 20 TO 30 
KT. SEAS 8 FT.
.09 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35 
KT. SEAS 8 FT. ELSEWHERE WITHIN 15N94W TO 15N96W TO 14N96W TO 
14N95W TO 14N94W TO 15N94W N WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. 
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N97W TO 15N97W TO
14N97W TO 14N95W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 14 FT. 
ELSEWHERE WITHIN 15N93W TO 14N97W TO 13N104W TO 12N103W TO 11N96W
TO 13N94W TO 15N93W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N97W TO
14N96W TO 15N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 10 TO 14 FT. 
ELSEWHERE WITHIN 14N94W TO 15N97W TO 15N108W TO 11N106W TO 09N98W
TO 10N95W TO 14N94W E TO SE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT W OF AREA. WITHIN 30N133W TO 26N138W TO 30N140W TO 
18N140W TO 19N136W TO 30N133W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN NW SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N130W TO 
28N140W. WITHIN 21N137W TO 30N131W TO 24N137W TO 30N140W TO 
12N140W TO 15N133W TO 21N137W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT DISSIPATED. WITHIN 23N131W TO 
30N118W TO 30N140W TO 10N140W TO 11N135W TO 23N131W WINDS 20 KT 
OR LESS. SEAS 8 FT IN NW SWELL.

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

CONVECTION VALID AT 2130 UTC SUN OCT 15...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N86W TO 08N110W TO 07N130W TO 
BEYOND 11N140W. SCATTERED MODERATE ISOLATED STRONG FROM 07N TO 
17N BETWEEN 80W AND 106W. SCATTERED MODERATE FROM 04N TO 16N 
BETWEEN 113W AND 140W. 

$$
.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.