497 
FZPN03 KNHC 220837
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN JUL 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN JUL 22.
24 HOUR FORECAST VALID 0600 UTC MON JUL 23.
48 HOUR FORECAST VALID 0600 UTC TUE JUL 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.12 HOUR FORECAST WITHIN 30 NM OF LINE FROM 10.5N87.5W TO 09N91W 
WINDS 20 KT OR LESS. SEAS 8 FT PRIMARILY IN SW SWELL.
.24 HOUR FORECAST AREA BOUNDED BY 09N89W TO 11N91W TO 12N88W TO 
11N86W TO 09N89W...INCLUDING THE GULF OF PAPAGAYO...WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT PRIMARILY IN SW SWELL.
.30 HOUR FORECAST CONDITIONS MERGED WITH PARAGRAPH BELOW.

.S OF LINE FROM 03.4S83W TO 00N86W TO 12N103W TO 14N123W TO 
04N137W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN SW 
SWELL...HIGHEST NEAR 03.4S112W.
.24 HOUR FORECAST S OF LINE FROM 06N81W TO 09N89W TO 11N91W TO 
16N103W TO 19N113W TO 20N132W TO 00N136W...EXCEPT LEE OF 
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN S TO 
SW SWELL. 
.30 HOUR FORECAST FROM 10N TO 11.5N E OF 87.5W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
ELSEWHERE S OF 20N AND E OF 132W...EXCEPT LEE OF GALAPAGOS 
ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN S TO SW SWELL.
.48 HOUR FORECAST E OF LINE FROM 03.4S115W TO 06N120W TO 15N136W 
TO 22N122W TO 30N120W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN S TO SW SWELL. S OF 
01S AND W OF 115W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SE AND 
S SWELL.

.LOW PRES NEAR 13N138W 1008 MB. WITHIN 300 NM N QUADRANT NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST LOW PRES W OF AREA NEAR 12.5N141W 1009 MB. 
OVER FORECAST WATERS FROM 14N TO 18N W OF 138W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN MIXED E AND S SWELL.
.36 HOUR FORECAST LOW PRES W OF AREA NEAR 12N143W 1010 MB. OVER 
FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.N OF 29N BETWEEN 130W AND 138W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN N TO NE SWELL.
.24 HOUR FORECAST N OF 28.5N AND W OF 132W WINDS 20 KT OR LESS. 
SEAS 8 FT IN N TO NE SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST N OF 13N BETWEEN 94W AND 96W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT PRIMARILY IN SW SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0815 UTC SUN JUL 22...

.TROPICAL WAVE FROM 00N74W TO 11N74W...SCATTERED MODERATE 
ISOLATED STRONG N OF 03N AND E OF 80W. 

.TROPICAL WAVE FROM 06N87W TO 22N86W...SCATTERED MODERATE 
ISOLATED STRONG N OF 05N BETWEEN 87W AND 97W. 

.TROPICAL WAVE FROM 05N118W TO 17N117W...SCATTERED MODERATE 
ISOLATED STRONG FROM 07N TO 13N BETWEEN 113W AND 120W.

.TROPICAL WAVE FROM 02N126W TO 14N125W...SCATTERED MODERATE 
FROM 07N TO 13N BETWEEN 120W AND 128W.

.LOW PRES 1008 MB NEAR 13N138W...NUMEROUS MODERATE SCATTERED 
STRONG WITHIN 60 NM OF 13.5N136W. SCATTERED MODERATE FROM 07N TO 
11N W OF 135W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N76W TO 07N91W TO 11N108W TO 10N117W. 
SCATTERED MODERATE ISOLATED STRONG FROM 09N TO 12N BETWEEN 102W 
AND 112W. 

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.