000 FZPN03 KNHC 202101 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC TUE AUG 20 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 TUE AUG 20. 24 HOUR FORECAST VALID 1800 UTC WED AUG 21. 48 HOUR FORECAST VALID 1800 UTC THU AUG 22. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM GILMA NEAR 16.1N 120.6W 992 MB AT 2100 UTC AUG 20 MOVING WNW OR 285 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE QUADRANT...100 NM SE QUADRANT...120 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM N SEMICIRCLE... 105 NM SE QUADRANT AND 90 NM SW QUADRANT WITH SEAS TO 20 FT. ELSEWHERE WITHIN 16N116W TO 19N118W TO 19N120W TO 17N123W TO 13N123W TO 12N118W TO 16N116W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 18N114W TO 20N120W TO 16N125W TO 12N121W TO 11N114W TO 13N113W TO 18N114W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .12 HOUR FORECAST HURRICANE GILMA NEAR 16.3N 121.9W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N SEMICIRCLE...AND 100 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 150 NM NE AND SW QUADRANTS...210 NM SE QUADRANT ...AND 120 NM NW QUADRANT WITH SEAS TO 22 FT. ELSEWHERE WITHIN 18N118W TO 19N122W TO 18N124W TO 15N125W TO 13N123W TO 13N119W TO 18N118W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 15N114W TO 20N119W TO 19N125W TO 15N125W TO 12N123W TO 11N116W TO 15N114W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE GILMA NEAR 16.6N 123.2W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE QUADRANT...100 NM SE QUADRANT...90 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT...240 NM SE QUADRANT...120 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH SEAS TO 24 FT. ELSEWHERE WITHIN 16N119W TO 19N122W TO 19N125W TO 16N125W TO 14N124W TO 13N121W TO 16N119W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 17N115W TO 21N121W TO 19N126W TO 13N126W TO 12N122W TO 12N117W TO 17N115W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE GILMA NEAR 17.5N 125.5W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM E SEMICIRCLE AND 70 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 150 NM OF CENTER...EXCEPT 180 NM SE QUADRANT WITH SEAS TO 30 FT. ELSEWHERE WITHIN 18N122W TO 20N124W TO 20N127W TO 17N128W TO 15N126W TO 15N123W TO 18N122W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 23N122W TO 21N129W TO 18N130W TO 12N128W TO 13N121W TO 16N117W TO 23N122W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. ...GALE WARNING... .LOW PRES...EP90...NEAR 11N137.5W 1007 MB. LOW PRES...EP91... NEAR 14.5N132.5W 1007 MB. WITHIN 16N130W TO 18N132W TO 17N135W TO 11N135W TO 10N134W TO 12N131W TO 16N130W WINDS 20 TO 30 KT. SEAS 9 TO 11 FT. REMAINDER OF AREA WITHIN 14N128W TO 17N132W TO 13N132W TO 12N135W TO 09N135W TO 10N131W TO 14N128W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST LOW PRES...EP90...MERGED WITH LOW PRES...EP91 ...POSSIBLE TROPICAL CYCLONE...NEAR 15N136.5W 1005 MB. WITHIN 19N135W TO 20N136W TO 20N140W TO 17N140W TO 14N136W TO 15N135W TO 19N135W WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA WITHIN 17N132W TO 20N134W TO 20N140W TO 15N140W TO 11N133W TO 13N132W TO 17N132W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .42 HOUR FORECAST LOW PRES...EP91...POSSIBLE TROPICAL CYCLONE ...NEAR 15.5N140W 1003 MB. WITHIN 17N138W TO 19N139W TO 20N140W TO 14N140W TO 15N138W TO 17N138W WINDS 25 TO 35 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA WITHIN 21N137W TO 22N140W TO 17N138W TO 13N140W TO 13N139W TO 18N135W TO 21N137W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST LITTLE CHANGE. .SYNOPSIS AND FORECAST. .WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .36 HOUR FORECAST WITHIN 14N111W TO 14N113W TO 13N113W TO 13N111W TO 14N111W WINDS 20 KT OR LESS. SEAS 8 FT IN W TO NW SWELL. .48 HOUR FORECAST WITHIN 14N111W TO 14N113W TO 12N114W TO 11N110W TO 12N109W TO 14N111W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W TO NW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1930 UTC TUE AUG 20... .TROPICAL STORM GILMA...NUMEROUS MODERATE SCATTERED STRONG WITHIN 60 NM NE SEMICIRCLE...AND 360 NM SW SEMICIRCLE. .LOW PRES...EP90...SCATTERED MODERATE WITHIN 150 NM SW SEMICIRCLE. .LOW PRES...EP91...NUMEROUS MODERATE ISOLATED STRONG WITHIN 180 NM SW SEMICIRCLE. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N86W TO 09N90W TO 15N111W THEN RESUMES W OF GILMA FROM 15N128W TO LOW PRES...EP91...NEAR 14.5N132.5W TO LOW PRESS...EP90...NEAR 11N137.5W TO BEYOND 10.5N140W. SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 18N BETWEEN 102W AND 114W. SCATTERED MODERATE FROM 04N TO 08N BETWEEN 77W AND 92W...AND FROM 09N TO 13N BETWEEN 89W AND 92W. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.