000
FZPN03 KNHC 181545
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU OCT 18 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU OCT 18.
24 HOUR FORECAST VALID 1200 UTC FRI OCT 19.
48 HOUR FORECAST VALID 1200 UTC SAT OCT 20.

.WARNINGS.

...GALE WARNING...

.N OF 12N BETWEEN 94W AND 97W...INCLUDING GULF OF TEHUANTEPEC... 
N WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. LOW PRES NEAR 13N95W 1007 
MB. WITHIN 300 NM SE QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT 
IN SW SWELL. 
.18 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N96W 1004 MB. WITHIN 150 NM N SEMICIRCLE WINDS 30 TO 35 KT. 
SEAS 12 TO 14 FT. ELSEWHERE N OF 20N BETWEEN 93W AND 98W WINDS 
20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N97W 1003 MB. WITHIN 75 NM OF LOW CENTER WINDS 30 TO 40 KT. 
SEAS 12 TO 16 FT. ELSEWHERE N OF 11N BETWEEN 94W AND 98W WINDS 
20 TO 30 KT. SEAS 9 TO 11 FT. REMAINDER AREA N OF 10N BETWEEN 
93W AND 98W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N101W 1000 MB. WITHIN 90 NM N AND 60 NM S SEMICIRCLE WINDS 30 
TO 40 KT. SEAS 12 TO 17 FT. ELSEWHERE N OF 12N BETWEEN 97W AND 
102W WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. REMAINDER AREA N OF 11N 
BETWEEN 96W AND 103W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
MIXED SWELL. 

.SYNOPSIS AND FORECAST.   

.SURFACE TROUGH FROM 30N138W TO 25N140W. N OF 12N W OF 131W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST FROM 11N TO 20N W OF 131W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST FROM 13N TO 18N W OF 133W WINDS 20 KT OR LESS. 
SEAS TO 8 T IN NW SWELL.

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

CONVECTION VALID AT 1515 UTC THU OCT 18...

.SCATTERED MODERATE ISOLATED STRONG N OF 14N BETWEEN 101W AND 
104W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 13N90W TO LOW NEAR 13N94W TO 12N115W TO 09N 
121W TO 11N134W TO 10N140W. SCATTERED MODERATE FROM 09N TO 16N E 
OF 102W...FROM 09N TO 13N BETWEEN 114W AND 120W...AND FROM 07N 
TO 16N BETWEEN 130W AND 138W.

$$
.FORECASTER NR. NATIONAL HURRICANE CENTER.