000
FZPN03 KNHC 270923
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT OCT 27.
24 HOUR FORECAST VALID 0600 UTC SUN OCT 28.
48 HOUR FORECAST VALID 0600 UTC MON OCT 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.36 HOUR FORECAST LOW PRES NEAR 11N104W 1008 MB. WITHIN 150 NM 
NE QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 10N107W 1007 MB. WITHIN 210 NM 
NE AND 120 NM SE QUADRANTS WINDS 20 KT OR LESS. SEAS 8 FT IN SW 
SWELL.

.LOW PRES NEAR 08N112W 1009 MB. FROM 05N TO 06N BETWEEN 103W AND 
110W WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW SWELL.
.18 HOUR FORECAST LOW PRES WEAKENS TO TROUGH FROM 10N112W TO 
06N117W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE. 

.SURFACE TROUGH FROM 15N122W TO 09N123W. FROM 12N TO 15N BETWEEN 
124W AND 128W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NW SWELL.
.06 HOUR FORECAST SURFACE TROUGH FROM 11N129W TO 08N132W. WINDS 
20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.

.09 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. 
.18 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.
.24 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 14N96W 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 
8 TO 10 FT. 
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 13.5N96W 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 
8 TO 11 FT.  

.24 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 30N126W TO 17N139W 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 0915 UTC SAT OCT 27...

.LOW PRES NEAR 10N99W...SCATTERED MODERATE WITHIN 150 NM E AND W 
SEMICIRCLES.

.LOW PRES NEAR 08N89W...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 180 NM N SEMICIRCLE AND 150 NM SW QUADRANT.

.LOW PRES NEAR 08N112W...SCATTERED MODERATE WITHIN 150 NM SE AND 
NW QUADRANTS. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N84W TO 1010 MB LOW NEAR 
08N89W TO 1008 MB LOW PRES NEAR 10N99W TO 1009 MB LOW PRES NEAR 
08N112W TO 11N121W. THE ITCZ BEGINS NEAR 11N126W AND CONTINUES 
ALONG 09N131W TO 09N140W. SCATTERED MODERATE FROM 06N TO 10N 
E OF 86W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.