000
FZPN03 KNHC 201619
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC TUE NOV 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE NOV 20.
24 HOUR FORECAST VALID 1200 UTC WED NOV 21.
48 HOUR FORECAST VALID 1200 UTC THU NOV 22.

.WARNINGS.

...GALE WARNING...
.WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W TO 14N95.5W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 9 FT.
.12 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 30 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 75 NM 
EITHER SIDE OF A LINE FROM 16N95W TO 13.5N95.5W N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.WITHIN 30 NM OF A LINE FROM 11N86W TO 10N88W...INCLUDING THE  
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.TROUGH FROM 07N131W TO 14N131W. FROM 12N TO 14N W OF 132W WINDS 
20 KT OR LESS. SEAS 8 FT IN MIXED SWELL. 
.24 HOUR FORECAST TROUGH FROM 10N140W TO 16N130W. FROM 13N TO 
17N W OF 133W NE WINDS 20 TO 25 KT. SEAS 8 FT IN NE WIND WAVES 
AND NW SWELL. 
.48 HOUR FORECAST TROUGH FROM 08N132W TO 18N130W. FROM 12N TO 
22N W OF 122W NE TO E WINDS 20 TO 30 KT.  SEAS 8 TO 11 FT IN NE 
WIND WAVES ANS NW SWELL.

.06 HOUR FORECAST COLD FRONT FROM 30N135W TO 27N140W. WITHIN 
AREA BOUNDED BY 30N140W TO 30N138W TO 28N140W TO 30N140W WINDS 
20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N128W TO 21N134W. NW OF A 
LINE FROM 30N132W TO 23N140W WINDS 20 KT OR LESS. SEAS 8 TO 13 
FT IN NW SWELL...HIGHEST NEAR 30N138W.
.48 HOUR FORECAST COLD FRONT FROM 30N119W TO 22N130W. NW OF A 
LINE FROM 30N124W TO 22N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT.

.36 HOUR FORECAST FROM 07N TO 09N BETWEEN 111W AND 113W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 07N TO 10N BETWEEN 114W AND 118W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN MIXED SWELL

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

CONVECTION VALID AT 1430 UTC TUE NOV 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM COAST OF COSTA RICA NEAR 08N84W 
TO 1010 MB LOW PRESSURE NEAR 07N105W. ITCZ AXIS EXTENDS FROM 
THERE TO 08N120W TO 1010 MB LOW PRESSURE NEAR 10N140W. SCATTERED 
MODERATE ISOLATED STRONG IS WITHIN 180 NM SOUTH OF MONSOON 
TROUGH E OF 87W. SCATTERED MODERATE WITHIN 60 NM OF MONSOON 
TROUGH BETWEEN 93W AND 100W AS WELL AS 105W TO 110W. SCATTERED 
MODERATE ISOLATED STRONG APPEARS WITHIN 180 NM OF ITCZ W OF 118W.

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.