000
FZPN03 KNHC 271543
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SAT OCT 27.
24 HOUR FORECAST VALID 1200 UTC SUN OCT 28.
48 HOUR FORECAST VALID 1200 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 1010 MB. FROM 05N TO 07N BETWEEN 102W AND 
108W 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. 

.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 30N135W 
TO 26N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST FRONT N OF THE AREA DISSIPATED. NW OF LINE 
FROM 30N121W TO 20N136W TO 15N140W 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 1515 UTC SAT OCT 27...

.LOW PRES NEAR 10N99W...SCATTERED MODERATE TO STRONG WITHIN 
60 NM OF CENTER, AND FROM 12N TO 13N BETWEEN 101W AND 
102W.

.LOW PRES NEAR 08N112W...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 75 NM OF CENTER IN NE SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH THROUGH 09N84W TO 08N90W TO 1008 MB LOW NEAR 
10N99W TO 08N105W TO 1010 MB LOW NEAR 08N112W TO 10N126W TO 
10N129W. ITCZ FROM 10N129W BEYOND 08N140W. SCATTERED MODERATE 
ISOLATED STRONG FROM 05N TO 07N BETWEEN COLOMBIA AND 80W, WITHIN 
250 NM N OF MONSOON TROUGH BETWEEN 84W AND 92W, AND WITHIN 45 NM 
EITHER SIDE OF MONSOON TROUGH BETWEEN 90W AND 97W.

$$
.FORECASTER MT. NATIONAL HURRICANE CENTER.