000
FZPN03 KNHC 270934
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC WED JUN 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED JUN 27.
24 HOUR FORECAST VALID 0600 UTC THU JUN 28.
48 HOUR FORECAST VALID 0600 UTC FRI JUN 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 11.9N107.5W 1006 MB. WITHIN 270 NM SE SEMICIRCLE 
WINDS 20 TO 30 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14.6N113.2W 1005 MB. WITHIN 150 NM E SEMICIRCLE WINDS 20 TO 30 
KT. SEAS TO 11 FT. ELSEWHERE FROM 08N TO 12N BETWEEN 102W AND 
106W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.  
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16.4N118.1W 1004 MB. WITHIN 120 NM E SEMICIRCLE AND NW QUADRANT 
WINDS 20 TO 30 KT. SEAS TO 12 FT. ELSEWHERE FROM 12N TO 18N 
BETWEEN 113W AND 118W WINDS 20 KT OR LESS. SEAS TO 10 FT IN 
MIXED SWELL. 

.LOW PRES NEAR 20N121W 1011 MB. WITHIN 150 NM N SEMICIRCLE WINDS 
20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.
.09 HOUR FORECAST DISSIPATING LOW PRES NEAR 20N124W 1012 MB. 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST LOW DISSIPATED. SURFACE TROUGH FROM 21N125W TO 
18N124W. FROM 20N TO 22N BETWEEN 125W AND 126W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED SWELL.
.24 HOUR FORECAST SURFACE TROUGH FROM 21N126W TO 18N126W. FROM 
20N TO 22N BETWEEN 126W AND 128W WINDS 20 KT OR LESS. SEAS TO 8 
FT IN MIXED SWELL. 
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.     

.S OF LINE FROM 03.4S109W TO 01S120W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN SW SWELL. ELSEWHERE S OF 01N BETWEEN 124W AND 131W 
WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW SWELL. 
.24 HOUR FORECAST S OF LINE FROM 02S109W TO 01S120W WINDS 20 KT 
OR LESS. SEAS TO 8 FT IN SW SWELL. ELSEWHERE S OF 02N BETWEEN 
125W AND 133W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.  
.48 HOUR FORECAST S OF 01S BETWEEN 105W AND 120W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED SWELL. 

.W OF A LINE FROM 30N131W TO 24N140W WINDS 20 KT OR LESS. SEAS 
TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 22N TO 29N W OF 135W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN MIXED SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.FROM 10.5N TO 11.5N E OF 88W...INCLUDING GULF OF PAPAGAYO...NE 
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 10N TO 12N E OF 89W...INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.  
.42 HOUR FORECAST LOW PRESSURE NEAR 09N96W 1008 MB. FROM 10.5N 
TO 12.5N E OF 91W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRESSURE NEAR 09N97W 1007 MB. FROM 10.5N 
TO 12.5N E OF 94W NE TO E WINDS 20 TO 25 KT. SEAS TO 10 FT. 

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

CONVECTION VALID AT 0915 UTC WED JUN 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

MONSOON TROUGH FROM 08N78W TO 10N94W TO LOW PRESSURE NEAR 
12N107W 1006 MB TO 14N124W TO 11N135W. ITCZ BEGINS NEAR 11N135W 
AND CONTINUES TO 09N140W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION N OF 03N E OF 100W AND FROM 08N TO 16N BETWEEN 100W 
AND 114W. SCATTERED MODERATE CONVECTION FROM 04N TO 13N W OF 
130W. 

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.