000 FZPN03 KNHC 182124 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC FRI AUG 18 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 FRI AUG 18. 24 HOUR FORECAST VALID 1800 UTC SAT AUG 19. 48 HOUR FORECAST VALID 1800 UTC SUN AUG 20. .WARNINGS. ...HURRICANE WARNING... .HURRICANE HILARY NEAR 18.7N 112.2W 948 MB AT 2100 UTC AUG 18 MOVING NW OR 315 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 240 NM NE QUADRANT...200 NM SE QUADRANT...110 NM SW QUADRANT...AND 170 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 330 NM NE QUADRANT...360 NM SE QUADRANT...300 NM SW QUADRANT...AND 270 NM NW QUADRANT WITH SEAS TO 43 FT. ELSEWHERE WITHIN 360 NM NE QUADRANT...540 NM SE QUADRANT...450 SW QUADRANT AND 300 NM NW QUADRANT...INCLUDING THE WATERS NEAR CABO CORRIENTES BETWEEN LAS MARIA ISLANDS AND LOS CABOS AND TO NEAR THE ENTRANCE TO THE GULF OF CALIFORNIA...WINDS 20 TO 33 KT. SEAS 10 TO 15 FT. REMAINDER OF THE AREA FROM 08N TO 26N E OF 121W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE HILARY NEAR 22.6N 114.1W. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 230 NM NE QUADRANT...190 NM SE QUADRANT...130 NM SW QUADRANT...AND 170 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM NE QUADRANT...420 NM SE QUADRANT...AND 360 NM W SEMICIRCLE WITH SEAS TO 42 FT. ELSWHERE OVER FORECAST WATERS WITHIN FROM 10N TO 27N BETWEEN 106W AND 119W...INCLUDING THE WATERS NEAR CABO CORRIENTES...BETWEEN LAS MARIA ISLANDS AND LOS CABOS...AND OVER THE GULF OF CALIFORNIA S OF 27N...WINDS 20 TO 33 KT. SEAS 10 TO 18 FT. REMAINDER OF THE AREA FROM 09N TO 28N E OF 127W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE HILARY NEAR 29.4N 116.1W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM NE QUADRANT...170 NM SE QUADRANT...100 NM SW QUADRANT...AND 120 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS N OF 19N AND E OF A LINE FROM 30N119W TO 25N123W TO 19N114W...INCLUDING THE CENTRAL AND SOUTHERN GULF OF CALIFORNIA...WITH SEAS TO 27 FT. ELSEWHERE N OF 21N E OF 120W...INCLUDING THE GULF OF CALIFORNIA...WINDS 20 TO 33 KT. SEAS 10 TO 17 FT. REMAINDER OF THE AREA FROM 10N TO 30N E OF A LINE FROM 30N132W TO 20N125W TO 10N121W...INCLUDING THE WATERS BETWEEN ISLAS MARIAS AND CABO CORRIENTES WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. .60 HOUR FORECAST TROPICAL STORM HILARY INLAND NEAR 34.1N 117.3W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. .72 HOUR FORECAST POST-TROPICAL HILARY NEAR 39.3N 117.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST...DISSIPATED. 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. .LOW PRES...REMNANTS OF FERNANDA...NEAR 16N138W 1008 MB. WITHIN 180 NM N AND 60 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF THE AREA FROM 14N TO 20N BETWEEN 135W AND 140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .12 HOUR FORECAST LOW PRES JUST W OF AREA NEAR 16N141W 1009 MB. OVER FORECAST WATERS FROM 16N TO 19N W OF 138W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. .18 HOUR FORECAST LOW PRES W OF AREA NEAR 16N142W 1008 MB. OVER FORECAST WATERS FROM 16N TO 18N W OF 139W E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .24 HOUR FORECAST LOW PRES WELL W OF AREA. OVER FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .36 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N96W ...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 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 2115 UTC FRI AUG 18... .HURRICANE HILARY...NUMEROUS STRONG IS TIGHTLY COILED AROUND THE EYE WITHIN 150 NM IN THE SE QUADRANT...90 NM IN THE NE AND SW QUADRANTS AND 60 NM IN NW QUADRANT. NUMEROUS MODERATE TO STRONG IS ELSEWHERE FROM 15N TO 21N BETWEEN 108W AND 115W. A WIDE OUTER BAND CONSISTS OF NUMEROUS MODERATE TO STRONG WITHIN 45 NM OF A LINE FROM 17N108W TO 14N112W TO 12N115W. .TROPICAL WAVE ALONG 95W FROM 03N TO 17N...NUMEROUS MODERATE TO STRONG WITHIN 120 NM W OF WAVE FROM 08N TO 13N. SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM E OF WAVE FROM 10N TO 14N. .SCATTERED MODERATE WITHIN 30 NM OF 12N119W AND WITHIN 30 NM 12N121W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 08N95W TO 09N105W. IT RESUMES WELL SW OF HILARY AT 11N121W TO 09N134W TO 07N140W. SCATTERED MODERATE ISOLATED STRONG FROM 05N TO 08N BETWEEN 82W AND 92W. SCATTERED MODERATE FROM 04N TO 06N BETWEEN 96W AND 100W...WITHIN 120 NM S OF TROUGH BETWEEN 124W AND 128W AND ALSO WITHIN 60 NM S OF TROUGH BETWEEN 128W AND 136W. $$ .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.