000
FZPN03 KNHC 150937
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC FRI DEC 15 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI DEC 15.
24 HOUR FORECAST VALID 0600 UTC SAT DEC 16.
48 HOUR FORECAST VALID 0600 UTC SUN DEC 17.

.WARNINGS.

...GALE WARNING...
.18 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 
BUILDING TO 8 FT.
.24 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS TO 10 
FT. ELSEWHERE N OF 14N BETWEEN 94W AND 96W N TO NE WINDS 20 TO 
30 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 13.5N95W 
TO 12.5N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT. FROM 08N TO 12N BETWEEN 97W AND 104W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED NE AND NW SWELL. 

.SYNOPSIS AND FORECAST.

.FROM 10N TO 11.5N E OF 87.5W...INCLUDING GULF OF PAPAGAYO...NE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST FROM 10N TO 11.5N E OF 87.5W...INCLUDING GULF 
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 10N TO 12.5N E OF 89W...INCLUDING THE 
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 

.FROM 15N TO 20N BETWEEN 135W AND 140W E WINDS 20 TO 25 KT. SEAS 
11 TO 15 FT. ELSEWHERE W OF LINE FROM 30N120W TO 13N124W TO 
05N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT PRIMARILY IN NW 
SWELL. 
.24 HOUR FORECAST FROM 15N TO 21N W OF 133W E WINDS 20 TO 25 KT. 
SEAS 10 TO 13 FT. ELSEWHERE W OF LINE FROM 30N116W TO 14N117W TO 
02N130W TO 00N136W TO 00N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST W OF LINE FROM 25N112W TO 06N113W TO 00N122W 
TO 00N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN PRIMARILY NW 
SWELL. 

.GULF OF CALIFORNIA N OF 30N W OF 113.5W NW TO N WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. 
.06 HOUR FORECAST N OF 29.5N W OF 113.5W NW TO N WINDS 20 TO 
30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 26.5N TO 28.5N NW 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST GULF OF CALIFORNIA N OF 29.5N E OF 114W SE TO 
S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 32N114.5W TO BEYOND 27N115.5W. 
W OF FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. N OF 28.5N 
E OF FRONT SW WINDS 20 TO 25 KT. SEAS LESS 

.36 HOUR FORECAST COLD FRONT FROM 30N119W TO 29N126W. N OF FRONT 
NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. N OF 28N W OF 126W N 
TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE W OF LINE 
FROM 30N116W TO 20N113W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
NW SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 32N114.5W TO 27N115.5W TO 
25N128W. N OF FRONT BETWEEN 119W AND 128W NW TO N WINDS 20 TO 25 
KT. SEAS 9 TO 15 FT. ELSEWHERE N OF 25N W OF 113W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NW SWELL. 

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

CONVECTION VALID AT 0900 UTC FRI DEC 15...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ EXTENDS FROM 07N92W TO 07.5N113W TO BEYOND 10N140W. WIDELY 
SCATTERED MODERATE CONVECTION FROM 11.5N TO 17N BETWEEN 114W AND 
120W. SCATTERED MODERATE TO STRONG CONVECTION BETWEEN 13N AND 
17N W OF 137W. 

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.