000
FZPN03 KNHC 200310
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED JUN 20 2012

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SYNOPSIS VALID 0000 UTC WED JUN 20.
24 HOUR FORECAST VALID 0000 UTC THU JUN 21.
48 HOUR FORECAST VALID 0000 UTC FRI JUN 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 18N108W 1005 MB DRIFTING W. WITHIN 150 NM
SW QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. WITHIN 180 NM NE
QUADRANT E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. WITHIN 90 NM OF
LINE FROM 18N105W TO 13N108W TO 12N113W TO 10N120W SW TO W WINDS
20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
19N109W 1005 MB. WITHIN 120 NM NE QUADRANT E TO SE WINDS 20 TO 
25 KT. SEAS TO 9 FT. WITHIN 90 NM SE SEMICIRCLE OF LOW WINDS 20 
TO 25 KT. SEAS TO 9 FT. WITHIN 90 NM OF LINE FROM 18N105W TO 
13N107W TO 10N114W SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
ELSEWHERE FROM 08N TO 17N BETWEEN 101W AND 119W WINDS LESS
THAN 20 KT. SEAS 8 TO 10 FT IN S TO SW SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
19N110W 1006 MB. WITHIN 60 NM SE SEMICIRCLE OF LOW WINDS 20 TO 
25 KT. SEAS TO 9 FT. ELSEWHERE FROM 09N TO 15N BETWEEN 104W AND
114W SW TO W WINDS 20 KT. SEAS TO 9 FT.

.FROM 13N TO 16N BETWEEN 91W AND 98W W TO NW WINDS 20 KT. SEAS 
TO 8 FT.
.18 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.TROUGH FROM 30N132W TO 21N140W. N OF 25N W OF TROUGH NE WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROUGH FROM 30N134W TO 23N140W. N OF 28N W OF 
TROUGH NE WINDS 20 KT. SEAS TO 9 FT. 
.30 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.N OF 23N E OF 120W NW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST N OF 24N E OF 119W NW TO N WINDS 20 TO 25 KT. 
SEAS 8 FT.
.48 HOUR FORECAST N OF 27N E OF 120W NW TO N WINDS 20 KT. SEAS 
TO 8 FT.

.S OF 04N BETWEEN 105W AND 122W WINDS LESS THAN 20 KT. SEAS 8 FT 
IN S TO SW SWELL.
.24 HOUR FORECAST S OF 10N BETWEEN 100W AND 127W WINDS LESS THAN 
20 KT. SEAS TO 9 FT IN S SWELL.
.48 HOUR FORECAST S OF 10N BETWEEN 103W AND 127W WINDS LESS THAN 
20 KT. SEAS 8 FT IN S SWELL.

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

CONVECTION VALID AT 0315 UTC WED JUN 20...

.LOW PRES NEAR 18N108W...SCATTERED MODERATE ISOLATED STRONG 
WITHIN
90 NM IN SW QUADRANT.

.SCATTERED MODERATE ISOLATED STRONG WITHIN 45 NM OF LINE FROM
18N102W TO 13N108W TO 10N116W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH IS INLAND COSTA RICA AND NORTHERN PANAMA. IT THEN
EXTENDS FROM 15N105W TO THE 1005 MB LOW AT 18N107W AND SW TO 
10N121W TO 08N130W. THE ITCZ EXTENDS FROM 08N130W TO 04N140W. 
SCATTERED MODERATE CONVECTION IS WITHIN 60 NM S OF THE ITCZ.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.