000
FZPN03 KNHC 131532
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED SEP 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED SEP 13.
24 HOUR FORECAST VALID 1200 UTC THU SEP 14.
48 HOUR FORECAST VALID 1200 UTC FRI SEP 15.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 23N TO 26N W OF 135W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 
10 FT. ELSEWHERE FROM 22N TO 27N W OF 133W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.TROPICAL WAVE ALONG 129W FROM 04N TO 16N. LOW PRES NEAR 
09.5N129W 1009 MB. FROM 07N TO 12N BETWEEN 127W AND 129W E TO SE 
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.  
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N132W 1009 MB ALONG TROPICAL WAVE. WITHIN 120 NM OF LOW CENTER 
EXCEPT 30 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
ELSEWHERE FROM 09N TO 13N BETWEEN 130W AND 132W S WINDS 20 TO 25 
KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14.5N134W 1007 MB. WITHIN 120 NM OF LOW CENTER EXCEPT 45 NM SW 
QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 11 FT. ELSEWHERE FROM 13N 
TO 18N BETWEEN 131W AND 137W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN MIXED SWELL.

.N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS 8 FT.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.S OF 08N BETWEEN 110W AND 120W WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN S TO SW SWELL.
.24 HOUR FORECAST S OF 04N BETWEEN 92W AND 117W...INCLUDING NEAR 
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO 
SW SWELL. S OF 02S BETWEEN 81W AND 88W WINDS 20 KT OR LESS. SEAS 
8 FT IN SW SWELL.
.48 HOUR FORECAST S OF 04 BETWEEN 92W AND 120W...INCLUDING NEAR 
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 FT IN SE SWELL.

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

CONVECTION VALID AT 1500 UTC WED SEP 13...

.TROPICAL WAVE ALONG 129W FROM 04N TO 16N WITH LOW PRES NEAR 
09.5N129W. NUMEROUS MODERATE TO ISOLATED STRONG CONVECTION IS 
WITHIN ABOUT 150 NM S SEMICIRCLE OF THE LOW CENTER. SCATTERED 
MODERATE TO ISOLATED STRONG CONVECTION IS ELSEWHERE FROM 06N TO 
16N BETWEEN 122W AND 135W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM NORTHERN COLOMBIA NEAR 10N74W TO 
07N100W TO 10.5N 117W. THE ITCZ CONTINUES FROM 10.5N117W TO 
09.5N129W TO TO BEYOND 05N140W. ASIDE FROM THE CONVECTION 
MENTIONED ABOVE IN THE SPECIAL FEATURES SECTION...SCATTERED 
MODERATE ISOLATED STRONG CONVECTION IS NOTED FROM 05N TO 12N 
BETWEEN 80W AND 92W...FROM 06N TO 14N BETWEEN 97W AND 120W... 
AND FROM 02N TO 07N W OF 135W. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.