000
FZPN03 KNHC 200900
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON DEC 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON DEC 20.
24 HOUR FORECAST VALID 0600 UTC TUE DEC 21.
48 HOUR FORECAST VALID 0600 UTC WED DEC 22.

.WARNINGS.

...GALE WARNING...
.WITHIN 13N94W TO 14N96W TO 16N96W TO 16N95W TO 15N93W TO 
13N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 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 10 FT. ELSEWHERE WITHIN 
14N94W TO 13N95W TO 14N96W TO 16N95W TO 16N94W TO 14N94W N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. 
.48 HOUR FORECAST WITHIN 14N94W TO 13N97W TO 15N96W TO 16N95W TO
15N93W TO 14N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 10N86W TO 09N88W TO 10N89W TO 11N89W TO 12N87W TO
10N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.COLD FRONT FROM 31N132W TO 26N139W. N OF THE FRONT WITHIN 29N139W
TO 29N140W TO 30N140W TO 30N138W TO 29N139W NW TO N WINDS 20 TO 25
KT. SEAS 10 TO 11 FT. ELSEWHERE WITHIN 27N139W TO 27N140W TO 30N140W
TO 30N136W TO 29N136W TO 27N139W NW WINDS 20 KT OR LESS. SEAS 8 TO
10 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N131W TO 23N139W. E OF THE 
FRONT WITHIN 30N126W TO 29N127W TO 29N128W TO 30N129W TO 30N126W 
S WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 28N126W TO 
27N128W TO 28N132W TO 30N131W TO 30N125W TO 28N126W WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT IN NW SWELL. N OF THE FRONT WITHIN 
26N133W TO 22N140W TO 30N140W TO 30N131W TO 26N133W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN NW SWELL. 
.48 HOUR FORECAST WITHIN 19N132W TO 18N140W TO 30N140W TO 30N123W
TO 19N132W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.

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

CONVECTION VALID AT 0900 UTC MON DEC 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 11N109W. THE ITCZ 
BEGINS NEAR 11N109W TO 10N131W...THEN FROM 09N136W TO BEYOND 
10N140W. SCATTERED MODERATE FROM 09N-15N BETWEEN 104W- 113W.

$$
.FORECASTER TORRES. NATIONAL HURRICANE CENTER.