388 
FZPN03 KNHC 231606
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON JUL 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON JUL 23.
24 HOUR FORECAST VALID 1200 UTC TUE JUL 24.
48 HOUR FORECAST VALID 1200 UTC WED JUL 25.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 11N127W 1010 MB. WITHIN 120 NM N AND SE QUADRANTS 
OF LOW WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. ELSWHERE WITHIN AREA 
BOUNDED BY 05N81W TO 13.5N96W TO 20N107W TO 22N123W TO 23N130W 
TO 20N140W TO 13N140W TO 13N133W TO 00N134W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN SW SWELL...HIGHEST S OF 02N BETWEEN 92W AND 
115W.
.12 HOUR FORECAST LOW PRES NEAR 12N129W 1009 MB. WITHIN 120 NM N 
AND SE SEMICIRCLES OF LOW WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. 
ELSEWHERE E OF LINE FROM 30N121W TO 20N135W TO 15N138W TO 
08N130W TO 05N129W TO 00N132W...EXCEPT LEE OF GALAPAGOS 
ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 12N132W 1009 MB. WITHIN 210 NM N 
QUADRANT OF LOW NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. 
ELSEWHERE E OF LINE FROM 30N123W TO 21N130W TO 16N137W TO 
08N124W TO 04N115W TO 00N124W...EXCEPT LEE OF GALAPAGOS ISLANDS
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 12N138W 1009 MB. WITHIN 210 NM N 
QUADRANT OF LOW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE 
FROM 12N TO 19N W OF 130W WINDS 20 KT OR LESS. SEAS 8 FT IN 
MIXED NE AND SE SWELL. N OF 25N BETWEEN 118W AND 123W WINDS 20 
KT OR LESS. SEAS 8 FT IN MIXED NW AND S SWELL. FROM 05N TO 14N 
BETWEEN 101W AND 115W AND S OF 01S BETWEEN 104W AND 116W WINDS 
20 KT OR LESS. SEAS TO 8 FT IN S TO SW SWELL.

.N OF 28N AND W OF 133W WINDS 20 KT OR LESS. SEAS 8 FT IN NE 
SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.LOW PRES 1008 MB W OF AREA NEAR 12.5N142W. FROM 13N TO 18N W OF 
138W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND S SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10.5N TO 11.5N E OF 89W...INCLUDING THE GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.12 HOUR FORECAST CONDITIONS TO MERGE WITH THOSE DESCRIBED IN 
FIRST PARAGRAPH ABOVE.

.WITHIN 90 NM EITHER SIDE OF A LINE FROM 16N94.5W TO 
13.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT PRIMARILY IN SW SWELL.
.12 HOUR FORECAST CONDITIONS TO MERGE WITH THOSE DESCRIBED IN 
FIRST PARAGRAPH ABOVE.

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

CONVECTION VALID AT 1545 UTC MON JUL 23...

.TROPICAL WAVE ALONG 84W FROM 01N TO 12N. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 180 NM E OF WAVE FROM 09N TO 12N.

.TROPICAL WAVE FROM 02N99W TO 11N98W TO 16N96W. NUMEROUS STRONG 
WITHIN 30 NM OF 15N100W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN WITHIN 30 NM EITHER SIDE OF A LINE FROM 08N97W TO 11N99W. 
SCATTERED MODERATE WITHIN 30 NM OF 12N96W.

.TROPICAL WAVE FROM 04N127W TO LOW PRES NEAR 11N127W 1010 MB TO 
17N127W. SCATTERED MODERATE ISOLATED STRONG WITHIN WITHIN 150 NM 
SW AND 90 NW QUADRANTS. SCATTERED MODERATE WITHIN 120 NM SE AND 
60 NM NE QUADRANTS. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N74W TO 10N83W TO 09N94W TO 
10N108W TO 11.5N121W TO LOW PRES NEAR 11N127W 1010 MB TO 10N134W 
AND TO 12N140W. SCATTERED MODERATE TO STRONG WITHIN 120 NM N OF 
AXIS BETWEEN 110W AND 114W AND WITHIN 60 NM OF AXIS BETWEEN 87W 
AND 91W. SCATTERED MDOERATE ISOLATED STRONG S OF AXIS WITHIN 30 
NM F OF LINE FROM 08N130W TO 08N135W...AND FROM 06N TO 10N W OF 
0F 136W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.