000
FZPN03 KNHC 300231
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON OCT 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON OCT 30.
24 HOUR FORECAST VALID 0000 UTC TUE OCT 31.
48 HOUR FORECAST VALID 0000 UTC WED NOV 01.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 13N96W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 
10 FT. ELSEWHERE FROM 11N TO 13N BETWEEN 94W AND 97W WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND SW SWELL.
.12 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 
FT. 
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.NW OF LINE FROM 30N116W TO 20N112W TO 10N125W TO 00N135W WINDS 
20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL...HIGHEST FROM 12N TO 
20N W OF 130W.
.24 HOUR FORECAST FROM 20N TO 25N BETWEEN 110W AND 120W...AND S 
OF 20N W OF A LINE FROM 20N108W TO 10N106W TO 03.4S113W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST S OF 12N BETWEEN 96W AND 125W 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 0215 UTC MON OCT 30...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 1010 MB LOW PRESSURE 
NEAR 11N90.5W TO 12N110W TO 11N105W TO 12N115W TO 10N127W... 
WHERE IT TRANSITIONS TO THE ITCZ AND CONTINUES BEYOND 08N140W. 
SCATTERED MODERATE IS FROM 13N TO 15N BETWEEN 101W AND 103W... 
AND FROM 09N TO 12N BETWEEN 127W AND 133W. ISOLATED MODERATE 
IS FROM 09N TO 11N BETWEEN 104W AND 120W. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.