000
FZPN03 KNHC 200354
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON DEC 20.
24 HOUR FORECAST VALID 0000 UTC TUE DEC 21.
48 HOUR FORECAST VALID 0000 UTC WED DEC 22.

.WARNINGS.

...GALE WARNING...
.WITHIN 13N94W TO 14N96W TO 16N96W TO 16N94W TO 15N93W TO
13N94W...INCLUDING THE GULF OF TEHUANTEPEC...NW WINDS 20 TO 30 
KT. SEAS BUILDING TO 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 15N94W TO 14N95W TO 15N96W TO 16N95W TO
16N94W TO 15N94W N WINDS 30 TO 35 KT. SEAS 8 TO 10 FT. ELSEWHERE
WITHIN 14N94W TO 13N95W TO 13N96W TO 15N96W TO 16N95W TO 14N942 
N WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST WITHIN 15N94W TO 14N95W TO 14N96W TO 16N95W TO
16N94W TO 15N94W N TO NE WINDS 30 TO 35 KT. SEAS 8 TO 10 FT. 
ELSEWHERE WITHIN 15N94W TO 14N95W TO 14N96W TO 16N95W TO 16N94W 
TO 15N94W N WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. REMAINDER OF AREA 
WITHIN 14N94W TO 13N96W TO 14N97W TO 15N96W TO 16N94W TO 14N94W 
WINDS 20 KT OR LESS. SEAS TO 8 FT. 

.SYNOPSIS AND FORECAST.

.WITHIN 10N86W TO 09N87W TO 10N89W TO 12N87W TO 12N86W TO
10N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E 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.

.COLD FRONT FROM 29N124W TO 27N139W. N OF THE FRONT WITHIN 
27N137W TO 27N140W TO 30N140W TO 30N136W TO 27N137W WINDS 20 KT 
OR LESS. SEAS BUILDING TO 8 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 29N130W TO 23N139W. N OF THE 
FRONT WITHIN 25N137W TO 24N140W TO 30N140W TO 30N131W TO 25N137W
WINDS 20 KT OR LESS. SEAS 9 TO 12 FT IN NW SWELL...HIGHEST NEAR
29N139W. E OF THE FRONT WITHIN 29N127W TO 29N128W TO 29N129W TO
22N139W. 30N130W TO 30N127W TO 29N127W S WINDS 20 TO 25 KT. SEAS
8 TO 9 FT. ELSEWHERE WITHIN 28N129W TO 27N134W TO 28N133W TO 
30N132W TO 30N126W TO 28N129W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN NW SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. WITHIN 22N126W TO 20N130W TO
18N140W TO 30N140W TO 30N122W TO 22N126W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NW SWELL.

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

CONVECTION VALID AT 0350 UTC MON DEC 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH FROM 08N81W TO 06N93W TO 11N107W. THE ITCZ 
BEGINS NEAR 11N111W TO 09N123W...THEN FROM 11N132W TO BEYOND 
10N140W. SCATTERED MODERATE 09N-15N BETWEEN 104W-110W AND FROM 
08N-12N BETWEEN 121W-125W.

$$
.FORECASTER TORRES. NATIONAL HURRICANE CENTER.