000 FZPN03 KNHC 201515 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC TUE AUG 20 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC TUE AUG 20. 24 HOUR FORECAST VALID 1200 UTC WED AUG 21. 48 HOUR FORECAST VALID 1200 UTC THU AUG 22. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM GILMA NEAR 16.0N 119.6W 1000 MB AT 1500 UTC AUG 20 MOVING WNW OR 285 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NE QUADRANT...90 NM SE QUADRANT...100 NM SW QUADRANT...AND 60 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 16 FT. ELSEWHERE WITHIN 16N116W TO 18N117W TO 18N120W TO 13N123W TO 12N121W TO 12N116W TO 16N116W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 15N111W TO 19N119W TO 17N121W TO 14N115W TO 12N120W TO 11N114W TO 15N111W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM GILMA NEAR 16.6N 122.6W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE AND 100 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 150 NM NE AND SW QUADRANTS...180 NM SE QUADRANT...AND 90 NM NW QUADRANT WITH SEAS TO 20 FT. ELSEWHERE WITHIN 18N119W TO 19N124W TO 16N125W TO 14N124W TO 13N120W TO 15N118W TO 18N119W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 20N119W TO 20N123W TO 18N126W TO 14N125W TO 12N117W TO 15N115W TO 20N119W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .36 HOUR FORECAST HURRICANE GILMA NEAR 17.0N 123.9W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE QUADRANT...90 NM S SEMICIRCLE...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE AND SW QUADRANTS ...210 NM SE QUADRANT...AND 105 NM NW QUADRANT WITH SEAS TO 24 FT. ELSEWHERE WITHIN 17N120W TO 20N122W TO 19N124W TO 18N126W TO 14N125W TO 13N120W TO 17N120W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 21N121W TO 20N127W TO 13N126W TO 12N120W TO 13N117W TO 16N116W TO 21N121W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE GILMA NEAR 17.4N 125.0W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM E SEMICIRCLE AND 70 NM W 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 28 FT. ELSEWHERE WITHIN 17N121W TO 19N122W TO 20N126W TO 16N127W TO 14N125W TO 14N122W TO 17N121W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 18N117W TO 23N122W TO 20N128W TO 15N129W TO 12N124W TO 13N119W TO 18N117W WINDS 20 KT OR LESS. SEAS 8 TO 11 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. ...GALE WARNING... .LOW PRES...EP90 NEAR 10.5N137.5W 1007 MB. LOW PRES...EP91... NEAR 14N132W 1007 MB. WITHIN 16N131W TO 16N132W TO 13N133W TO 11N136W TO 10N134W TO 12N130W TO 16N131W WINDS 20 TO 25 KT. SEAS 9 TO 11 FT IN SW SWELL. ELSEWHERE WITHIN 13N128W TO 17N132W TO 13N132W TO 10N137W TO 09N134W TO 11N129W TO 13N128W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND SW SWELL. .24 HOUR FORECAST LOW PRES...EP90...MERGED WITH LOW PRES... EP91...POSSIBLE TROPICAL CYCLONE...NEAR 14.5N135.5W 1005 MB. WITHIN 19N136W TO 19N137W TO 17N138W TO 15N137W TO 14N134W TO 16N133W TO 19N136W WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 17N131W TO 20N134W TO 19N140W TO 15N140W TO 11N132W TO 17N131W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST LOW PRES...EP91...POSSIBLE TROPICAL CYCLONE... NEAR 15.5N140W 1002 MB. WITHIN 17N138W TO 20N140W TO 14N140W TO 14N139W TO 15N138W TO 17N138W WINDS 25 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 19N136W TO 23N140W TO 20N140W TO 18N139W TO 13N140W TO 14N137W TO 19N136W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .SYNOPSIS AND FORECAST. .WITHIN 31N113W TO 32N115W TO 31N115W TO 30N115W TO 30N114W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .03 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO 15N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS TO 8 FT. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1440 UTC TUE AUG 20... .TROPICAL STORM GILMA...NUMEROUS MODERATE SCATTERED STRONG WITHIN 420 NM SW SEMICIRCLE. .LOW PRES...EP90...SCATTERED MODERATE WITHIN 120 NM SW SEMICIRCLE. .LOW PRES...EP91...NUMEROUS MODERATE ISOLATED STRONG WITHIN 135 NM SW SEMICIRCLE. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N85W TO 17N111W THEN RESUMES W OF GILMA FROM 16N126W TO LOW PRES...EP91...NEAR 14N132W TO LOW PRES... EP90...NEAR 10.5N137.5W TO BEYOND 10N140W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 12N BETWEEN 77W AND 90W....AND WITHIN 240 NM EITHER SIDE OF MONSOON TROUGH BETWEEN 92W AND 112W. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.