000
FZPN03 KNHC 150909
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE DEC 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE DEC 15.
24 HOUR FORECAST VALID 0600 UTC WED DEC 16.
48 HOUR FORECAST VALID 0600 UTC THU DEC 17.

.WARNINGS.

...GALE WARNING...
.N OF 14N BETWEEN 94W AND 95.5W N WINDS 30 TO 35 KT. SEAS 8 TO 
12 FT. 
.06 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W N WINDS 20 TO 
25 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 12N TO 14N BETWEEN 94W AND 
96W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W N WINDS 20 TO 
30 KT. SEAS BUILDING TO 8 FT.
.48 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W N WINDS 25 
TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF 13N BETWEEN 94W AND 
96W N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.SYNOPSIS AND FORECAST.

.FROM 10N TO 21N W OF 125W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
11 FT. 
.24 HOUR FROM 09N TO 21N W OF 124W NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT IN MIXED NE AND NW SWELL. 
.48 HOUR FORECAST FROM 09N TO 21N W OF 130W NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT. 

.N OF 28N E OF 121W NW WINDS 20 TO 25 KT. SEAS 9 TO 13 FT IN NW 
SWELL. ELSEWHERE W OF A LINE FROM 30N116W TO 25N114W TO 19N120W 
TO 08N130W TO 08N140W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NW 
SWELL...HIGHEST N OF 29N BETWEEN 117W AND 125W.
.24 HOUR FORECAST ELSEWHERE W OF A LINE FROM 30N116W TO 20N111W 
TO 13N115W TO 06N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW 
SWELL.
.48 HOUR FORECAST ELSEWHERE W OF A LINE FROM 30N116W TO 20N111W 
TO 13N110W TO 03N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW 
SWELL...HIGHEST NEAR 30N120W.

.18 HOUR FORECAST GULF OF CALIFORNIA N OF 27N NW TO N WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 24N TO 28N W OF 110W 
NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST GULF OF CALIFORNIA N OF 24N W OF 110W NW TO N 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0900 UTC TUE DEC 15...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM A 1009 MB LOW PRESSURE OVER 
NORTHERN COLOMBIA NEAR 10N74W TO 06N80W TO 07N95W TO 1011 MB LOW 
PRESSURE NEAR 07N103W TO 07N111W. THE ITCZ CONTINUES FROM 
07N111W TO 08N125W TO BEYOND 07N140W. SCATTERED MODERATE 
CONVECTION IS NOTED FROM 07N TO 10N BETWEEN 98W AND 103W, FROM 
08N TO 10N BETWEEN 117W AND 121W. SIMILAR CONVECTION CAN BE 
FOUND FROM 11N TO 14N BETWEEN 106W AND 113W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.