390 
FZPN03 KNHC 120851
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT AUG 12 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT AUG 12.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 13.
48 HOUR FORECAST VALID 0600 UTC MON AUG 14.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 14N111W 1008 MB. WITHIN 90 NM NE SEMICIRCLE OF 
LOW WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N115W 1007 MB. WITHIN 90 NM N SEMICIRCLE WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT.
.48 FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 15N118W 
1006 MB. WITHIN 90 NM OF LOW EXCEPT 120 NM NW QUADRANT WINDS 20 
TO 30 KT. SEAS 8 TO 12 FT. 

.12 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
10N134W 1010 MB. WITHIN 180 NM NE QUADRANT WINDS 20 TO 25 KT. 
SEAS 8 TO 9 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
11N135W 1009 MB. WITHIN 180 NM N SEMICIRCLE WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT. FROM 09N TO 11N BETWEEN 134W AND 135W S WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.  
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
12N138W 1008 MB. WITHIN 210 NM N SEMICIRCLE E OF 140W WINDS 20 
TO 30 KT. SEAS 8 TO 11 FT.

.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 12N87W TO 12N89W E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0845 UTC SAT AUG 12... 

.TROPICAL WAVE ALONG 111W FROM 04N TO 17N WITH LOW PRES NEAR 
14N111W 1008 MB...SCATTERED MODERATE ISOLATED STRONG FROM 09N TO 
15N BETWEEN 108W AND 115W.

.TROPICAL WAVE ALONG 136W FROM 03N TO 17N...NUMEROUS MODERATE 
TO STRONG FROM 06N TO 13N BETWEEN 127W AND 137W.

.SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM OF LINE FROM 
07N97W TO 07N100W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 11N96W TO LOW 
PRES NEAR 14N110W 1008 MB. ITCZ EXTENDS FROM THE LOW PRES TO 
10N120W TO 11N127W TO 09N133W. IT RESUMES FROM 08N137W TO 
07N140W. NUMEROUS MODERATE ISOLATED STRONG FROM 06N TO 09N 
BETWEEN 84W AND 87W. SCATTERED MODERATE ISOLATED STRONG WITHIN 
90 NM EITHER SIDE OF ITCZ BETWEEN 117W AND 121W AND WITHIN 60 NM 
OF THE ITCZ BETWEEN 115W AND 117W. SCATTERED MODERATE WITHIN 60 
NM EITHER SIDE OF ITCZ BETWEEN 137W AND 140W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.