627 
FZPN03 KNHC 122038 AAA
HSFEP2

HIGH SEAS FORECAST...UPDATED
NWS NATIONAL HURRICANE CENTER MIAMI FL
2038 UTC THU SEP 12 2024

UPDATED CONVECTION SECTION

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE)
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1200 UTC THU SEP 12.
24 HOUR FORECAST VALID 1200 UTC FRI SEP 13.
48 HOUR FORECAST VALID 1200 UTC SAT SEP 14.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION NINE-E NEAR 19.2N 107.6W 1002 MB AT 1500 
UTC SEP 12 MOVING NW OR 325 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 
30 KT GUSTS 40 KT. WITHIN 180 NM E SEMICIRCLE AND 120 NM W 
SEMICIRCLE OF TROPICAL DEPRESSION NINE-E WINDS 20 TO 30 KT. SEAS 
8 TO 12 FT. FROM 12N TO 16N BETWEEN 104W AND 109W SW TO W WINDS 
20 TO 25 KT. SEAS 8 TO 9 FT. NUMEROUS SQUALLS AND TSTMS FROM 17N 
TO 22N BETWEEN 105W AND 110W.
.12 HOUR FORECAST TROPICAL STORM NINE-E NEAR 20.4N 108.4W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM NINE-E NEAR 22.0N 109.5W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM W SEMICIRCLE...60 NM NE QUADRANT AND 40 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER OF 
TROPICAL STORM NINE-E WITH SEAS TO 16 FT. ELSEWHERE WITHIN 240 
NM E SEMICIRCLE AND 120 NM W SEMICIRCLE OF TROPICAL STORM NINE-E 
WINDS 20 TO 33 KT. SEAS 9 TO 13 FT. ELSEWHERE FROM 18N TO 26N 
BETWEEN 105W AND 111W...INCLUDING THE SOUTHERN GULF OF 
CALIFORNIA...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL. 
.48 HOUR FORECAST TROPICAL STORM NINE-E OVER SOUTHERN GULF OF 
CALIFORNIA NEAR 25.0N 110.1W. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM S 
SEMICIRCLE...60 NM NE QUADRANT AND 40 NM NW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 60 NM NE SEMICIRCLE AND 30 NM SW SEMICIRCLE OF 
CENTER OF TROPICAL STORM NINE-E WITH SEAS TO 18 FT. ELSEWHERE 
OVER FORECAST WATERS WITHIN 120 NM OF CENTER OF TROPICAL STORM 
NINE-E WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. FROM 21N TO 23N 
BETWEEN 107W AND 111W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
MIXED SWELL.

.SYNOPSIS AND FORECAST.

.06 HOUR FORECAST N OF 29N BETWEEN 118W AND 121W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NW SWELL.
.12 HOUR FORECAST N OF 28N BETWEEN 117W AND 121W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN DECAYING NW SWELL.
.18 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 2000 UTC SEP 12...UPDATED

.TROPICAL DEPRESSION NINE-E...NUMEROUS STRONG IN WIDE BANDS 
WITHIN 180 NM SW SEMICIRCLE AND 90 NM NW SEMICIRCLE. 

.TROPICAL WAVE ALONG 88W...SCATTERED MODERATE CONVECTION IS 
FROM 07N TO 13N BETWEEN 83W AND 88W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM 12N86W TO 16N98W TO 19N108W 
TO 17N117W TO LOW PRES NEAR 14N123W 1011 MB AND TO 12N130W. THE 
ITCZ EXTENDS FROM 12N130W TO 10N140W. SCATTERED MODERATE WITHIN 
120 NM S OF TROUGH BETWEEN 117W AND 120W AND WITHIN 120 NM NW OF 
TROUGH BETWEEN 124W AND 127W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.