000
FZPN03 KNHC 150307
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC TUE DEC 15.
24 HOUR FORECAST VALID 0000 UTC WED DEC 16.
48 HOUR FORECAST VALID 0000 UTC THU DEC 17.

.WARNINGS.

...GALE WARNING...
.N OF 15N BETWEEN 94W AND 95.5W N WINDS 30 TO 40 KT. SEAS 9 TO 
13 FT. ELSEWHERE WITHIN 60 NM OF A LINE FROM 16N95W TO 14N95W N 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.12 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W N WINDS 20 TO 
25 KT. SEAS 8 TO 9 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W N WINDS 20 TO 
30 KT. SEAS BUILDING TO 8 FT.

.SYNOPSIS AND FORECAST.

.FROM 11N TO 21N W OF 125W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT. 
.24 HOUR FROM 09N TO 21N W OF 125W NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT IN MIXED NE AND NW SWELL. 
.48 HOUR FORECAST FROM 11N TO 21N W OF 135W 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 12 FT IN NW 
SWELL. ELSEWHERE W OF A LINE FROM 30N116W TO 23N115W TO 10N127W 
TO 08N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL... 
HIGHEST N OF 29N BETWEEN 120W AND 130W.
.24 HOUR FORECAST ELSEWHERE W OF A LINE FROM 30N116W TO 22N112W 
TO 13N116W TO 06N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW 
SWELL...HIGHEST NEAR 29N120W.
.48 HOUR FORECAST ELSEWHERE W OF A LINE FROM 30N116W TO 20N110W 
TO 10N120W TO 03N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW 
SWELL.

.24 HOUR FORECAST GULF OF CALIFORNIA N OF 28N NW TO N WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.30 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 FROM 24N TO 28N W OF 110W NW TO N WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0300 UTC MON DEC 14...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM A 1009 MB LOW PRESSURE OVER 
NORTHERN COLOMBIA NEAR 10N74W TO 05N80W TO 07N95W TO 07N110W. 
THE ITCZ CONTINUES FROM 07N110W TO 08N125W TO BEYOND 07N140W. 
SCATTERED MODERATE CONVECTION IS NOTED FROM 06N TO 08N BETWEEN 
98W AND 102W...AND FROM 08N TO 10N BETWEEN 116W AND 120W. 
SIMILAR CONVECTION IS NEAR 13N108W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.