000
FZPN03 KNHC 191550
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON AUG 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1200 UTC MON AUG 19.
24 HOUR FORECAST VALID 1200 UTC TUE AUG 20.
48 HOUR FORECAST VALID 1200 UTC WED AUG 21.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM GILMA NEAR 15.1N 116.0W 1000 MB AT 1500 UTC AUG
19 MOVING W OR 275 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N
SEMICIRCLE...30 NM SE QUADRANT AND 0 NM SW QUADRANT.  SEAS 12 FT
OR GREATER WITHIN 45 NM OF CENTER EXCEPT 0 NM SW QUADRANT WITH
SEAS TO 15 FT. ELSEWHERE WITHIN 16N114W TO 17N115W TO 17N116W TO 15N117W TO 15N116W TO
14N115W TO 16N114W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER
OF AREA WITHIN 15N109W TO 18N116W TO 14N118W TO 12N123W TO 09N115W TO
10N111W TO 15N109W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
SWELL.
.24 HOUR FORECAST TROPICAL STORM GILMA NEAR 15.8N 119.3W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM N SEMICIRCLE...50 NM SE QUADRANT AND 30 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NE AND 60 NM SW
SEMICIRCLES WITH SEAS TO 16 FT. ELSEWHERE WITHIN 17N118W TO 18N118W TO 17N120W TO
16N120W TO 15N120W TO 15N118W TO 17N118W WINDS 20 TO 33 KT. SEAS
10 TO 12 FT. REMAINDER OF AREA WITHIN 20N117W TO 17N122W TO 13N122W TO
10N117W TO 11N110W TO 13N109W TO 20N117W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GILMA NEAR 17.0N 122.6W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 120 NM NE AND 75 NM SW SEMICIRCLES WITH 
SEAS TO 18 FT. ELSEWHERE  WITHIN 18N121W TO 18N124W TO 16N123W TO
16N121W TO 17N120W TO 18N121W WINDS 20 TO 33 KT. SEAS 10 TO 12
FT. REMAINDER OF AREA WITHIN 17N116W TO 19N119W TO 20N126W TO 13N127W TO
12N124W TO 13N116W TO 17N116W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN MIXED SWELL.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.LOW PRESSURE NEAR 10N138W 1007 MB. WITHIN 11N135W TO 13N137W TO
12N139W TO 10N140W TO 08N137W TO 09N135W TO 11N135W SW WINDS 20 
TO 30 KT. SEAS 8 FT. ELSEWHERE WITHIN 15N126W TO 18N130W TO 
16N135W TO 13N135W TO 10N131W TO 12N127W TO 15N126W WINDS 20 KT 
OR LESS. SEAS 8 FT IN NE SWELL.
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL 
CYCLONE...NEAR 12N136W 1006 MB. WITHIN 16N127W TO 18N135W TO 
17N139W TO 13N140W TO 08N135W TO 13N126W TO 16N127W E TO SE WINDS
20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
13N137W 1006 MB. WITHIN 20N133W TO 22N140W TO 11N140W TO 09N135W
TO 14N132W TO 20N133W E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT IN E 
SWELL.

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

CONVECTION VALID AT 1500 UTC MON AUG 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 09N94W TO 13N105W...THEN CONTINUES 
WEST OF T.S. GILMA FROM 15N120W AND TO THE DEVELOPING LOW PRESSURE
NEAR 10N138W. ASIDE FROM THE CONVECTION NEAR GILMA...SCATTERED 
MODERATE TO STRONG CONVECTION IS ACTIVE FROM 04N TO 08N WEST OF 
84W...FROM 08N TO 11N BETWEEN 88W AND 94W...FROM 09N TO 16N 
BETWEEN 98W AND 107W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.