000
FZPN03 KNHC 201445
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI OCT 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI OCT 20.
24 HOUR FORECAST VALID 1200 UTC SAT OCT 21.
48 HOUR FORECAST VALID 1200 UTC SUN OCT 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W TO 14N95W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. 
SEAS TO 9 FT. 
.24 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 01N TO 04N BETWEEN 112W AND 116W...S OF 01S W OF 112W 
AND S OF 00N E OF 103W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED S 
AND SE SWELL. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WEAKENING COLD FRONT FROM 30N131W TO 28N140W. FROM 22N TO 25 N 
W OF 137W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. N OF LINE 
FROM 30N129W TO 25N140W WINDS 20 KT OR LESS. SEAS 12 TO 16 FT IN 
NW SWELL. ELSEWHERE N OF LINE FROM 30N126W TO 22N140W WINDS 20 
KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL. N OF 28N E OF 117W NW 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FRONT DISSIPATED. E OF LINE FROM 27N118W TO 
30N124W NW TO N WINDS 20 TO 25 KT. SEAS 12 TO 16 FT. E OF LINE 
FROM 25N112W TO 27N118W NW TO N WINDS 20 TO 25 KT. SEAS TO 12 
FT. ELSEWHERE N OF LINE FROM 27N117W TO 21N131W TO 24N135W WINDS 
20 KT OR LESS. SEAS 12 TO 15 FT IN NW SWELL. REMAINDER OF AREA N 
OF LINE FROM 24N112W TO 11N134W TO 11N140W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN NW SWELL.
.36 HOUR FORECAST N OF 22N BETWEEN 115W AND 126W WINDS 20 KT OR 
LESS. SEAS 12 TO 15 FT IN NW SWELL. ELSEWHERE N OF LINE FROM 
19N111W TO 08N127W TO 08N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 
FT IN NW SWELL.
.48 HOUR FORECAST OUTSIDE OF GULF OF CALIFORNIA AND N OF LINE 
FROM 16N108W TO 02N126W TO 01N140W WINDS 20 KT OR LESS. SEAS 8 
TO 12 FT IN NW SWELL.

.36 HOUR FORECAST GULF OF CALIFORNIA N OF 27N NW WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA N OF 25N NW 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 1430 UTC FRI OCT 20...

.TROPICAL WAVE FROM 08N93W TO 16N94W. SCATTERED MODERATE 
ISOLATED STRONG FROM 09N TO 12N BETWEEN 90W AND 97W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N85W TO 08N100W TO 08N121W. ITCZ CONTINUES 
FROM 08N121W TO 09N126W TO 08N132W TO BEYOND 09N140W. SCATTERED 
MODERATE ISOLATED STRONG FROM 07N TO 09N BETWEEN 97W AND 
104W...FROM 10N TO 12N BETWEEN 123W AND 129W AND FROM 13N TO 15N 
BETWEEN 136W AND 139W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.