000
FZPN03 KNHC 270318
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT OCT 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT OCT 27.
24 HOUR FORECAST VALID 0000 UTC SUN OCT 28.
48 HOUR FORECAST VALID 0000 UTC MON OCT 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 10N98W 1008 MB. WITHIN 90 NM SE QUADRANT WINDS 20 
KT OR LESS. SEAS TO 8 FT IN SW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 11N99W 1008 MB. WINDS 20 KT OR 
LESS. WITHIN 60 NM NW QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT 
IN SW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 11N105W 1008 MB. WITHIN 180 NM 
NE QUADRANT WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.

.LOW PRES NEAR 08N111W 1009 MB. FROM 04N TO 06N BETWEEN 103W 
AND 111W WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW SWELL.
.18 HOUR FORECAST LOW PRES WEAKENS TO TROUGH FROM 10N112W TO 
06N116W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE. 

.SURFACE TROUGH FROM 17N122W TO 11N123W. FROM 14N TO 17N BETWEEN 
120W AND 125W NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.

.15 HOUR FORECAST N OF 15N BETWEEN 94W AND 95.5W...INCLUDING 
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N96W 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 
8 TO 9 FT...BUILDING TO 10 FT.
.48 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 96W N TO NE WINDS 
20 TO 30 KT. SEAS 8 TO 9 FT. ELSEWHERE N OF 12.5N BETWEEN 95W 
AND 98W WINDS 20 KT OR LESS. SEAS TO 8 FT. 

.30 HOUR FORECAST COLD FRONT NW OF AREA. NW OF LINE FROM 30N138W 
TO 28N140W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.48 HOUR FORECAST FRONT N OF THE AREA DISSIPATED. NW OF LINE 
FROM 30N129W TO 21N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
NW SWELL.

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

CONVECTION VALID AT 0315 UTC SAT OCT 27...

.LOW PRES NEAR 10N98W...SCATTERED MODERATE WITHIN 180 NM NW 
QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N86W TO 1008 MB LOW PRES NEAR 
10N98W TO 1009 MB LOW PRES NEAR 08N111W TO 12N122W TO 09N130W. 
THE ITCZ CONTINUES FROM 09N130W TO 09N140W. SCATTERED MODERATE 
FROM 08N TO 10N BETWEEN 83W AND 91W...AND FROM 08N TO 11N W 
OF 136W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.