000
FZPN03 KNHC 271529
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC TUE AUG 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC TUE AUG 27.
24 HOUR FORECAST VALID 1200 UTC WED AUG 28.
48 HOUR FORECAST VALID 1200 UTC THU AUG 29.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GILMA W OF AREA NEAR 18.5N 140.7W 990 MB AT 1500 UTC 
AUG 27 MOVING W OR 270 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 65 
KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N 
SEMICIRCLE AND 40 NM S SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN 
120 NM OF CENTER...EXCEPT 60 NM SE QUADRANT WITH SEAS TO 24 FT. 
OVER FORECAST WATERS FROM 18N TO 21N W OF 137W WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT FROM 15N TO 23N W OF 136W.
.12 HOUR FORECAST TROPICAL STORM GILMA NEAR 18.6N 142.4W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.24 HOUR FORECAST TROPICAL STORM GILMA W OF AREA NEAR 18.9N 
144.6W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL 
STORM FORCE WINDS WITHIN 20 NM S SEMICIRCLE...60 NM NE QUADRANT 
AND 50 NM NW QUADRANT. OVER FORECAST WATERS WINDS 20 KT OR LESS. 
SEAS LESS THAN 8 FT.

...TROPICAL STORM WARNING...
.TROPICAL STORM HECTOR NEAR 17.6N 128.7W 1002 MB AT 1500 UTC AUG 
27 MOVING WNW OR 290 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM E 
SEMICIRCLE...0 NM SW QUADRANT AND 50 NM NW QUADRANT.  SEAS 12 FT 
OR GREATER WITHIN 60 NM NW AND SE QUADRANTS...90 NM NE QUADRANT 
AND 0 NM SW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE WITHIN 150 NM 
OF CENTER...EXCEPT 90 SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT FROM 15N TO 21N BETWEEN 124W AND 130W. 
.24 HOUR FORECAST TROPICAL STORM HECTOR NEAR 18.3N 132.4W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM E SEMICIRCLE...0 NM SW QUADRANT AND 30 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM OF CENTER...EXCEPT 
90 NM SW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE WITHIN 150 NM OF 
CENTER...EXCEPT 90 SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT FROM 15N TO 22N BETWEEN 128W AND 136W. 
.36 HOUR FORECAST TROPICAL DEPRESSION HECTOR NEAR 18.4N 134.6W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST TROPICAL DEPRESSION HECTOR NEAR 18.4N 136.9W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER 
WITHIN 90 NM N SEMICIRCLE OF CENTER WITH SEAS TO 14 FT. 
ELSEWHERE WITHIN 150 NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS 9 
TO 12 FT. REMAINDER OF THE AREA FROM 15N TO 22N W OF 133W WINDS 
20 KT OR LESS. SEAS 8 TO 9 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.

N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.12 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.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 1500 UTC TUE AUG 27...

.HURRICANE GILMA...NUMEROUS MODERATE FROM 16N TO 20N BETWEEN 
136W AND 140W. 

.TROPICAL STORM HECTOR...NUMEROUS MODERATE FROM 16N TO 19N 
BETWEEN 126W AND 129W.

.TROPICAL WAVE ALONG 99W...SCATTERED MODERATE ISOLATED STRONG 
FROM 06N TO 16N BETWEEN 90W AND 105W. 

.TROPICAL WAVE NEAR 113W...SCATTERED MODERATE FROM 07N TO
10N BETWEEN 110W AND 120W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 11N85W TO 08N94W TO 11N104W TO 
07N122W. THERE IS NO MONSOON TROUGH OR ITCZ ANALYZED WEST OF 
122W DUE TO THE DISRUPTION CREATED BY THE CIRCULATIONS OF 
HURRICANE GILMA AND T.S. HECTOR. MOST OF THE CONVECTIVE ACTIVITY 
IS ASSOCIATED WITH THE TROPICAL WAVES AND TROPICAL CYCLONES 
DESCRIBED ABOVE.  

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.