000
FZPN03 KNHC 182135
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN AUG 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN AUG 18.
24 HOUR FORECAST VALID 1800 UTC MON AUG 19.
48 HOUR FORECAST VALID 1800 UTC TUE AUG 20.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM GILMA NEAR 14.7N 112.3W 1005 MB AT 2100 UTC AUG 
18 MOVING W OR 280 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N 
SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS TO 11 FT. ELSEWHERE 
WITHIN 120 NM N SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST TROPICAL STORM GILMA NEAR 15.6N 116.1W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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 THE AREA OF TROPICAL 
STORM FORCE WINDS WITH SEAS TO 14 FT. ELSEWHERE WITHIN 90 NM N 
SEMICIRCLE AND 60 NM SE QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT.
.48 HOUR FORECAST TROPICAL STORM GILMA NEAR 16.2N 119.9W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 
30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN THE AREA OF 
STORM FORCE WINDS WITH SEAS TO 14 FT. ELSEWHERE WITHIN 120 NM OF 
CENTER...EXCEPT 75 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT.

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.

.FROM 07N TO 12N BETWEEN 105W AND 120W SW WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. FROM 05N TO 09N BETWEEN 92W AND 100W SW WINDS 
20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST FROM 10N TO 14N BETWEEN 108W AND 120W SW WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT. FROM 07N TO 11N BETWEEN 95W AND 
103W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST FROM 11N TO 14N BETWEEN 112W AND 121W SW WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT. 

.LOW PRES NEAR 13N130W 1010 MB. WITHIN 120 NM NW QUADRANT OF LOW 
CENTER WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR LOW PRES NEAR 13N133W 1008 MB. WITHIN 120 NM N 
SEMICIRCLE OF LOW CENTER WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST CONDITIONS MERGED WITH LOW PRES TO THE W. 

.24 HOUR FORECAST LOW PRES NEAR 10.5N137W 1008 MB. WITHIN 120 NM 
SE QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LOW PRES NEAR 12N136W 1007 MB. WITHIN 180 NM 
SE QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

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

CONVECTION VALID AT 2100 UTC SUN AUG 18...

.T.S. GILMA...NUMEROUS MODERATE SCATTERED STRONG WITHIN 180 NM W 
SEMICIRCLE OF CENTER. 

.LOW PRES NEAR 14N124W 1011 MB...SCATTERED MODERATE FROM 11N TO 
16N BETWEEN 120W AND 125W.

.LOW PRES NEAR 13N130W 1010 MB...SCATTERED MODERATE CONVECTION 
FROM 10N TO 15N BETWEEN 125W AND 135W.

.LOW PRES NEAR 10.5N137.5W 1009 MB...SCATTERED MODERATE ISOLATED 
STRONG FROM 10N TO 12N BETWEEN 135W AND 140W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 10N90W TO NEAR 
11N102W, THEN CONTINUES W OF T.S. GILMA FROM 13N118W TO 1011 MB 
LOW PRESSURE NEAR 14N123W TO 1009 LOW PRESSURE NEAR 10.5N137.5W 
TO BEYOND 11N140W. ASIDE FROM THE CONVECTION ASSOCIATED WITH 
T.S. GILMA AND THE LOW PRESSURE SYSTEMS, SCATTERED MODERATE TO 
ISOLATED STRONG CONVECTION CAN BE FOUND FROM 07N TO 14N BETWEEN 
82W AND 106W.  

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.