000
FZPN03 KNHC 202102
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU OCT 20 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU OCT 20.
24 HOUR FORECAST VALID 1800 UTC FRI OCT 21.
48 HOUR FORECAST VALID 1800 UTC SAT OCT 22.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W TO
14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25
KT. SEAS TO 8 FT.
.18 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35
KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF A
LINE FROM 16N95W TO 14N95W TO 13N95.5W N TO NE WINDS 20 TO 30
KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO
35 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF A
LINE FROM 16N95W TO 14N95.5W TO 12.5N96W N TO NE WINDS 20 TO 30
KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14N95.5W TO 13N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO
NE WINDS 20 TO 30 KT. SEAS 9 TO 13 FT. ELSEWHERE FROM 10N TO 13N
BETWEEN 94W AND 99W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO
NE SWELL.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 13N114W 1006 MB. WITHIN 180 NM SW QUADRANT OF LOW
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 09N TO 15N
BETWEEN 110W AND 122W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
PRIMARILY IN NW SWELL. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
13N115W 1006 MB. WITHIN 180 NM SW QUADRANT OF LOW WINDS 20 TO 25
KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 09N TO 13N BETWEEN 110W AND
120W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT PRIMARILY IN NW SWELL. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
14N116W 1006 MB. WITHIN 180 NM SE SEMICIRCLE OF LOW WINDS 20 TO
25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 09N TO 14N BETWEEN 113W
AND 123W WINDS 20 KT OR LESS. SEAS TO 9 FT. 

.GULF OF CALIFORNIA N OF 30N NW WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.W OF A LINE FROM 14N133W TO 20N140W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 26N BETWEEN 121W AND 129W WINDS 20 KT OR LESS. SEAS 8 TO
9 FT IN NW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 08N TO 12N BETWEEN 90W AND 110W WINDS 20 KT OR LESS. SEAS
TO 9 FT IN MIXED NW AND SW SWELL.
.24 HOUR FORECAST FROM 08N TO 11N BETWEEN 100W AND 110W WINDS 20
KT OR LESS. SEAS TO 9 FT IN MIXED NW AND SW SWELL.
.48 HOUR FORECAST FROM 10N TO 12N BETWEEN 99W AND 106W E TO SE
WINDS 20 TO 25 KT. SEAS 8 FT. ELSEWHERE FROM 08N TO 12N BETWEEN
99W AND 106W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.

.30 HOUR FORECAST NW OF A LINE FROM 30N137W TO 26N140W WINDS 20
KT OR LESS. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST W OF A LINE FROM 30N125W TO 25N134W 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 2030 UTC THU OCT 20...

.LOW PRES NEAR 13N114W...NUMEROUS MODERATE ISOLATED STRONG
FROM 11N TO 15N BETWEEN 111W AND 115W. 

.SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 14N BETWEEN 94W
AND 98W. SCATTERED MODERATE FROM 10N TO 13N BETWEEN 86W AND 92W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 12N103W TO 1006 MB LOW PRES NEAR
13N114W TO 10N125W TO 14N137W TO 13N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 10N TO 17N BETWEEN 101W AND 111W.
SIMILAR CONVECTION IS FROM 10N TO 13N BETWEEN 115W AND 123W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.