000 FZPN03 KNHC 180324 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC FRI AUG 18 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC FRI AUG 18. 24 HOUR FORECAST VALID 0000 UTC SAT AUG 19. 48 HOUR FORECAST VALID 0000 UTC SUN AUG 20. .WARNINGS. ...HURRICANE WARNING... .HURRICANE HILARY NEAR 16.7N 110.0W 952 MB AT 0300 UTC AUG 18 MOVING WNW OR 300 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 110 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 250 NM NE QUADRANT...200 NM SE QUADRANT...120 NM SW QUADRANT...AND 160 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM E SEMICIRCLE AND 180 NM W SEMICIRCLE WITH SEAS TO 40 FT. ELSEWHERE WITHIN 360 NM E AND 210 NM W SEMICIRCLES WINDS 20 TO 33 FT. SEAS 9 TO 12 FT. REMAINDER OF THE AREA FROM 06N TO 23N BETWEEN 98W AND 114W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE HILARY NEAR 19.4N 112.6W. MAXIMUM SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS WITHIN 250 NM NE QUADRANT...200 NM SE QUADRANT...140 NM SW QUADRANT...AND 180 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM E AND 300 NM W SEMICIRCLES WITH SEAS TO 44 FT. ELSEWHERE WITHIN 420 NM E AND 300 NM W SEMICIRCLES WINDS 20 TO 33 FT. SEAS 8 TO 12 FT FROM 08N TO 25N BETWEEN 103 AND 121W...INCLUDING THE WATERS NEAR CABO CORRIENTES...BETWEEN LAS MARIA ISLANDS AND LOS CABOS...THE ENTRANCE TO THE GULF OF CALIFORNIA...AND THE SOUTHERN GULF OF CALIFORNIA S OF 25N. .48 HOUR FORECAST HURRICANE HILARY NEAR 24.0N 114.3W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 230 NM NE QUADRANT...200 NM SE QUADRANT...150 NM SW QUADRANT...AND 160 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN WITHIN 330 NM OF CENTER...EXCEPT 420 NM SE QUADRANT WITH SEAS TO 40 FT. ELSEWHERE FROM 16N TO 28N BETWEEN 107W AND 120W... INCLUDING THE CENTRAL AND SOUTHERN GULF OF CALIFORNIA...WINDS 20 TO 33 FT. SEAS 9 TO 12 FT. REMAINDER OF THE AREA FROM 08N TO 29N BETWEEN 104W AND 128W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .72 HOUR FORECAST TROPICAL STORM HILARY NEAR 30.7N 116.1W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL REMNANT LOW HILARY NEAR 39.0N 118.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. .120 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...REMNANT LOW OF FERNANDA...NEAR 16N134W 1005 MB. WITHIN 180 NM N AND 60 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS 9 TO 13 FT. REMAINDER OF THE AREA FROM 13N TO 20N BETWEEN 131W AND 137W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .24 HOUR FORECAST LOW PRES NEAR 16N139W 1007 MB. WITHIN 180 NM N AND 30 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 14N TO 20N BETWEEN 136W AND 140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .36 HOUR FORECAST LOW PRES W OF AREA NEAR 16N142W 1008 MB. OVER FORECAST WATERS FROM 16N TO 20N W OF 138W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .FROM 10N TO 11.5N E OF 89W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .36 HOUR 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 0300 UTC FRI AUG 18... .HURRICANE HILARY...NUMEROUS MODERATE TO STRONG WITHIN 75 NM N AND 90 NM S SEMICIRCLES OF CENTER. NUMEROUS MODERATE ISOLATED STRONG ELSEWHERE FROM 10N TO 18N BETWEEN 106W AND 113W...AND WITHIN 60 NM OF AN OUTER RAIN BAND THAT EXTENDS FROM 17N107W TO 13N112W. .TROPICAL WAVE ALONG 93W/94W N OF 04N...SCATTERED MODERATE ISOLATED STRONG IS FROM 03N TO 09N BETWEEN 89W AND 97W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH AXIS EXTENDS FROM SOUTHERN COSTA RICA NEAR 09N83W TO 08N90W TO 11N100. IT RESUMES SW OF HURRICANE HILARY FROM NEAR 12N113W TO 09N130W. THE ITCZ EXTENDS FROM 09N130W TO BEYOND 07N140W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS SEEN FROM 08N TO 11N BETWEEN 110W AND 120W. A SMALL CLUSTER OF MODERATE CONVECTION IS WSW OF THE REMNANT LOW OF FERNANDA NEAR 15.5N135.5W. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.