000
FZPN03 KNHC 230850
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI AUG 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI AUG 23.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 24.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 25.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GILMA NEAR 17.4N 126.1W 959 MB AT 0900 UTC AUG 23 
MOVING WNW OR 290 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 105 KT 
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N 
SEMICIRCLE...90 NM SE QUADRANT AND 80 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 180 NM OF CENTER...EXCEPT 150 NM SE QUADRANT 
WITH SEAS TO 36 FT. ELSEWHERE WITHIN 270 NM N SEMICIRCLE...180 
NM SE QUADRANT AND 210 NM SW QUADRANT OF CENTER WINDS 20 TO 33 
KT. SEAS 10 TO 16 FT. REMAINDER OF AREA FROM 11N TO 23N BETWEEN 
120W AND 133W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED 
SWELL.
.24 HOUR FORECAST HURRICANE GILMA NEAR 18.0N 128.8W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM N SEMICIRCLE AND 70 NM S SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 150 NM OF CENTER...EXCEPT 180 NM NE QUADRANT WITH 
SEAS TO 35 FT. ELSEWHERE WITHIN 240 NM N SEMICIRCLE AND 180 NM S 
SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. SEAS 9 TO 14 FT. 
REMAINDER OF AREA FROM 10N TO 24N BETWEEN 122W AND 136W WINDS 20 
KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GILMA NEAR 18.7N 132.2W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM N SEMICIRCLE AND 60 NM S SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 180 NM NE QUADRANT...120 NM S SEMICIRCLE AND 150 
NM NW QUADRANT WITH SEAS TO 31 FT. ELSEWHERE WITHIN 240 NM N 
SEMICIRCLE AND 180 NM S SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 10N TO 24N BETWEEN 126W 
AND 140W 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.

.TROPICAL STORM HONE W OF AREA NEAR 16N143W 1004 MB AT 0300 UTC 
AUG 23 MOVING W OR 275 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 35 
KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR 
GREATER W OF AREA. FROM 17N TO 22N W OF 139W E WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT.    
.15 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.LOW PRES...EP92...NEAR 14N113W 1007 MB. WITHIN 120 NM OF 
CENTER...EXCEPT 150 NM NW QUADRANT AND 60 NM E QUADRANT WINDS 20 
TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...EP92...POSSIBLE TROPICAL CYCLONE... 
NEAR 14N116W 1005 MB. WITHIN 180 NM SE SEMICIRCLE AND 120 NM NW 
SEMICIRCLE OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST LOW PRES...EP92...POSSIBLE TROPICAL CYCLONE... 
NEAR 15N119W 1004 MB. WITHIN 240 NM S SEMICIRCLE AND 150 NM N 
SEMICIRCLE OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.N OF 15N BETWEEN 95W AND 96W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST N OF 16N BETWEEN 95W AND 96W...INCLUDING THE 
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST N OF 16N BETWEEN 95W AND 96W...INCLUDING THE 
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0845 UTC FRI AUG 23...

.HURRICANE GILMA...NUMEROUS STRONG WITHIN 60 NM OF CENTER. 
NUMEROUS MODERATE ISOLATED STRONG ELSEWHERE WITHIN 100 NM OF 
CENTER...EXCEPT 150 NM SW QUADRANT.

.LOW PRES...EP92...NUMEROUS MODERATE TO STRONG W OF THE LOW 
FROM 14N TO 16N BETWEEN 114W AND 117W. SCATTERED MODERATE 
ISOLATED STRONG ELSEWHERE FROM 13N TO 17N BETWEEN 114W AND 118W.

.TROPICAL WAVE ALONG 96W N OF 08N...NUMEROUS MODERATE 
TO STRONG WITHIN 180 NM W OF WAVE FROM 13N TO 16N. SCATTERED 
MODERATE ISOLATED STRONG WITHIN 180 NM W OF WAVE FROM 10N TO 
16N.

.SCATTERED MODERATE ISOLATED STRONG WITHIN 30 NM OF A LINE 
FROM 16N98W TO 18N102W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N74W TO 09N84W TO 09N95W TO 
12N105W. NUMEROUS MODERATE TO STRONG FROM 05N TO 09N BETWEEN 82W 
AND 86W. SCATTERED MODERATE ISOLATED STRONG WITHIN 180 NM S OF 
TROUGH BETWEEN 90W AND 97W AND FROM 08N TO 12N BETWEEN 102W AND 
105W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.