199 
FZPN03 KNHC 240311
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON SEP 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON SEP 24.
24 HOUR FORECAST VALID 0000 UTC TUE SEP 25.
48 HOUR FORECAST VALID 0000 UTC WED SEP 26.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES 13.5N 102W 1009 MB. WINDS 20 KT OR LESS SEAS LESS THAN 
8 FT.
.12 HOUR FORECAST BROAD LOW PRES...POSSIBLE TROPICAL CYCLONE... 
NEAR 15.5N107W 1009 MB. FROM 06N TO 10N BETWEEN 108W AND 116W 
WINDS 20 KT OR LESS. SEAS TO 8 FT.
.24 HOUR FORECAST BROAD LOW PRES...POSSIBLE TROPICAL CYCLONE... 
NEAR 15.5N109W 1006 MB. FROM 07N TO 12N BETWEEN 105W AND 113W SW 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST BROAD LOW PRES...POSSIBLE TROPICAL CYCLONE... 
NEAR 15.5N112W 1004 MB. WITHIN 150 NM N SEMICIRCLE NE TO E WINDS 
20 TO 25 KT. SEAS TO 8 FT.

.WITHIN 15 NM OF LINE FROM 16N95W TO 15N95W...INCLUDING THE GULF 
OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS BUILDING TO 10 
FT. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WITHIN 15 NM OF LINE FROM 16N95W TO 
15.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. 
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  

.TROUGH FROM 19N135W TO 07N137W. N OF 14N WITHIN 120 NM W OF THE 
TROUGH NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.06 HOUR FORECAST TROUGH ALONG 137W. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.24 HOUR FORECAST WITHIN 15 NM OF LINE FROM 11N86W TO 11N87W... 
INCLUDING THE GULF OF PAPAGAYO...WINDS 20 KT OR LESS. SEAS 
TO 8 FT.
.30 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 0300 UTC MON SEP 24...

.LOW PRES NEAR 13.5N102W...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 120 NM S SEMICIRCLE OF LOW.  

.TROUGH FROM 19N135W TO 07N135W...SCATTERED MODERATE ISOLATED 
STRONG WITHIN 30 NM E AND 150 NM W OF TROUGH.
 
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N78W TO 09N84W TO 13.5N102W TO 10N110W TO 
10N137W. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE WITHIN 240 
NM OF LINE FROM 06N80W TO 15N100W TO 11N137W. 

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.