000
FZPN03 KNHC 210406
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE DEC 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC TUE DEC 21.
24 HOUR FORECAST VALID 0000 UTC WED DEC 22.
48 HOUR FORECAST VALID 0000 UTC THU DEC 23.

.WARNINGS.

...GALE WARNING...
.03 HOUR FORECAST WITHIN 15N94W TO 15N95W TO 16N95W TO 16N94W TO
15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 35 
KT. SEAS BUILDING TO 8 FT. 
.24 HOUR FORECAST WITHIN 15N94W TO 15N95W TO 16N95W TO 16N94W TO
15N94W N WINDS 30 TO 35 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 
13N95W TO 14N96W TO 16N95W TO 16N94W TO 15N94W TO 13N95W N TO NE 
WINDS 20 TO 30 KT. SEAS TO 8 FT.
.27 HOUR FORECAST WITHIN 13N95W TO 13N96W TO 14N96W TO 16N95W TO
16N93W TO 13N95W N TO NE WINDS 20 TO 30 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST WITHIN 14N94W TO 13N95W TO 14N96W TO 16N96W TO
16N94W TO 14N94W N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 27N131W TO 22N139W. N OF THE FRONT WITHIN 
27N133W TO 24N138W TO 24N140W TO 30N140W TO 30N133W TO 27N133W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL. E OF THE FRONT
WITHIN 29.5N128.5W TO 29.5N129.5W TO 29.5N130.5W TO 30N130.5W TO
30N127.5W TO 29.5N128.5W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 
FT IN W TO NW SWELL. REMAINDER OF AREA WITHIN 28N128W TO 26N132W
TO 26N134W TO 30N133W TO 30N127W TO 28N128W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 19N128W TO 17N134W TO 20N140W TO 30N140W
TO 29N123W TO 19N128W WINDS 20 KT OR LESS. SEAS 8 FT IN NW 
SWELL. 
.48 HOUR FORECAST WITHIN 19N128W TO 17N134W TO 20N140W TO 30N140W
TO 29N123W TO 19N128W WINDS 20 KT OR LESS. SEAS 8 FT IN NW TO N 
SWELL.

.WITHIN 18N105W TO 19N107W TO 20N106W TO 19N105W TO 18N105W...INCLUDING
NEAR CABO CORRIENTES...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN
8 FT. 
.24 HOUR FORECAST LITTLE CHANGE. 
.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.

.LOW PRES 1011 MB NEAR 17N133W. SCATTERED MODERATE FROM 16N-22N
BETWEEN 127W TO 135W. 

CONVECTION VALID AT 0350 UTC TUE DEC 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N83W TO 08N104W. THE ITCZ 
FROM 08N104W TO 08N117W TO 09N127W. SCATTERED MODERATE 
SEEN 205 NM SOUTH OF THE MONSOON TROUGH E OF 84W. SCATTERED 
SHOWERS ARE NOTED ELSEWHERE ALONG THE BOUNDARIES.

$$
.FORECASTER TORRES. NATIONAL HURRICANE CENTER.