000
FZPN03 KNHC 222144
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE DEC 22 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE DEC 22.
24 HOUR FORECAST VALID 1800 UTC WED DEC 23.
48 HOUR FORECAST VALID 1800 UTC THU DEC 24.

.WARNINGS.

.NONE. 

.SYNOPSIS AND FORECAST.

.N OF 14N BETWEEN 94W AND 95.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.12 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 
FT.  
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 
BUILDING 8 TO 10 FT. 

.FROM 09.5N TO 11N BETWEEN 86W AND 88W...INCLUDING THE GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.12 HOUR FORECAST FROM 09N TO 11N BETWEEN 86W AND 89W... 
INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 
TO 8 FT. 
.24 HOUR FORECAST FROM 09N TO 10.5N BETWEEN 86W AND 89W... 
INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 
TO 8 FT. 
.36 HOUR FORECAST FROM 10N TO 12N BETWEEN 86W AND 89W... 
INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 
TO 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 09N TO 19N W OF 130W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT. WINDS AND SEAS COULD BE HIGHER NEAR TSTMS. ELSEWHERE FROM 
05N TO 16N W OF 130W...AND FROM 07N TO 12N BETWEEN 110W AND 127W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST FROM 12N TO 17N W OF 130W NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 10N TO 20N W OF 125W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL. 
.48 HOUR FORECAST FROM 10N TO 20N AND W OF A LINE FROM 20N138W 
TO 10N122W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND 
NW SWELL.

.LOW PRES NEAR 07N106W 1009 MB. FROM 07N TO 09N BETWEEN 102W AND 
107W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 
06N TO 12N BETWEEN 98W AND 106W WINDS 20 KT OR LESS. SEAS 8 FT 
IN NW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 08N111W 1009 MB. FROM 07N TO 10N 
BETWEEN 109W AND 113W N TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
ELSEWHERE FROM 04N TO 12N BETWEEN 100W AND 114W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN MIXED NW AND SW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 08N116W 1009 MB. FROM 08N TO 10N 
BETWEEN 115W AND 118W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
ELSEWHERE FROM 07N TO 13N BETWEEN 110W AND 125W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN MIXED NW AND SW SWELL. 

.36 HOUR FORECAST GULF OF CALIFORNIA N OF 25N W OF 110W NW TO N 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA NW TO N WINDS 20 TO 25 KT. 
SEAS TO 8 FT LESS THAN 8 FT.

.42 HOUR FORECAST NW OF A LINE FROM 30N138W TO 28N140W WINDS 20 
KT OR LESS. SEAS
.48 HOUR FORECAST NW OF A LINE FROM 30N135W TO 27N140W WINDS 20 
KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.

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

CONVECTION VALID AT 1800 UTC TUE DEC 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM A 1010 MB LOW PRESSURE OVER 
COLOMBIA NEAR 09N73W TO 05N80W TO 08N85W TO 06N94W. THE ITCZ 
AXIS EXTENDS FROM 06N94W TO A 1009 MB LOW PRESSURE LOCATED NEAR 
07N106W TO 08N120W TO 09N134W...THEN RESUMES W OF A SURFACE 
TROUGH EXTENDING ALONG 135W FROM 10N136W TO BEYOND 09N140W. 
CLUSTERS OF MODERATE AND ISOLATED STRONG CONVECTION ARE NOTED 
NEAR THE LOW CENTER FROM 06N TO 09N BETWEEN 104W AND 109W. 
SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS SEEN ON 
EITHER SIDE OF THE TROUGH AXIS FROM 07N TO 12N BETWEEN 128W AND 
139W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.