000
FZPN03 KNHC 120304
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU SEP 12 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU SEP 12.
24 HOUR FORECAST VALID 0000 UTC FRI SEP 13.
48 HOUR FORECAST VALID 0000 UTC SAT SEP 14.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES...EP93...NEAR 18N106.5W 1006 MB. WITHIN 180 NM SE 
SEMICIRCLE AND 120 NM NW SEMICIRCLE OF LOW CENTER WINDS 20 TO 30 
KT. SEAS 8 TO 10 FT. FROM 13N TO 15N BETWEEN 104W AND 109W SW TO 
W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. NUMEROUS SHOWERS AND TSTMS 
FROM 15N TO 18N BETWEEN 106W AND 109W. WINDS AND SEAS COULD BE 
HIGHER NEAR TSTMS. 
.24 HOUR FORECAST LOW PRES...EP93...POSSIBLE TROPICAL CYCLONE... 
NEAR 20N109W 1004 MB. WITHIN 180 NM NE SEMICIRCLE AND 120 NM SW 
SEMICIRCLE OF LOW CENTER WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
ELSEWHERE FROM 17N TO 22N BETWEEN 104W AND 110W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN MIXED SWELL. FROM 12N TO 14N BETWEEN 
110W AND 115W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LOW PRES...EP93...POSSIBLE TROPICAL CYCLONE... 
NEAR 22N111W 1002 MB. WITHIN 120 NM SE SEMICIRCLE AND 90 NM NW 
SEMICIRCLE OF LOW CENTER WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
ELSEWHERE FROM 20N TO 24N BETWEEN 107W AND 113W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL. GULF OF CALIFORNIA S OF 
30N SE WINDS 20 TO 25 KT...EXCEPT E TO SE WINDS S OF 26N. SEAS 8 
TO 10 FT S OF 25N.

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

.LOW PRES...EP93...CLUSTER OF MODERATE TO STRONG CONVECTION IS 
NOTED WITHIN 120 NM SW SEMICIRCLE OF LOW CENTER. 

.TROPICAL WAVE ALONG 107W...SCATTERED MODERATE CONVECTION IS 
FROM 11N TO 13N BETWEEN 104W AND 107W...AND FROM 15N TO 20N 
BETWEEN 104W AND 110W.

.TROPICAL WAVE ALONG 85W/86W...SCATTERED MODERATE CONVECTION IS 
NEAR THE SOUTHERN END OF THE WAVE AXIS FROM 07N TO 11N BETWEEN 
81W AND 87W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM 11N86W TO 1006 MB LOW 
PRESSURE NEAR 18N106.5W TO 15N120W TO 11N130W. THE ITCZ EXTENDS 
FROM 11N130W TO BEYOND 10N140W. ASIDE FROM THE CONVECTION 
ASSOCIATED WITH THE TROPICAL WAVES AND LOW PRESSURE...SCATTERED 
MODERATE CONVECTION IS NOTED FROM 12N TO 16N BETWEEN 110W AND 
125W. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.