468 FZPN03 KNHC 170322 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU AUG 17 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 THU AUG 17. 24 HOUR FORECAST VALID 0000 UTC FRI AUG 18. 48 HOUR FORECAST VALID 0000 UTC SAT AUG 19. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM HILARY NEAR 13.4N 105.1W 996 MB AT 0300 UTC AUG 17 MOVING WNW OR 290 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NW AND SE QUADRANTS...180 NM NE QUADRANT AND 100 NM SW QUADRANT.SEAS 12 FT OR GREATER WITHIN 270 NM NE QUADRANT...240 NM SE QUADRANT... 105 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 24 FT. ELSEWHERE WITHIN 300 NM E AND 180 NM W SEMICIRCLES WINDS 20 TO 33 FT. SEAS 9 TO 12 FT. REMAINDER OF THE AREA FROM 06N TO 19N BETWEEN 97W AND 107W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE HILARY NEAR 15.5N 109.1W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 210 NM E SEMICIRCLE...130 NM SW QUADRANT AND 170 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 330 NM E SEMICIRCLE... 180 NM SW QUADRANT...AND 210 NM NW QUADRANT WITH SEAS TO 36 FT. ELSEWHERE WITHIN 360 NM E AND 240 NM W SEMICIRCLES WINDS 20 TO 33 FT. SEAS 8 TO 12 FT FROM 06N TO 22N BETWEEN 97W AND 114W... INCLUDING THE WATERS NEAR CABO CORRIENTE AND BETWEEN LAS MARIA ISLANDS AND LOS CABOS. .48 HOUR FORECAST HURRICANE HILARY NEAR 18.5N 112.5W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 230 NM NE QUADRANT...220 NM SE QUADRANT...140 NM SW QUADRANT...AND 170 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM E SEMICIRCLE...210 NM SW QUADRANT...AND 240 NM NW QUADRANT WITH SEAS TO 44 FT. ELSEWHERE WITHIN 390 NM E AND 270 NM W SEMICIRCLES WINDS 20 TO 33 FT. SEAS 8 TO 12 FT FROM 07N TO 27N BETWEEN 101W AND 122W...INCLUDING THE ENTRANCE TO THE GULF OF CALIFORNIA. .72 HOUR FORECAST HURRICANE HILARY NEAR 22.6N 114.0W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM HILARY NEAR 28.3N 115.4W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. .120 HOUR FORECAST POST-TROPICAL HILARY NEAR 34.3N 117.7W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...TROPICAL STORM WARNING... .TROPICAL STORM FERNANDA NEAR 16.7N 129.4W 1002 MB AT 0300 UTC AUG 17 MOVING W OR 265 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 90 NM OF CENTER...EXCEPT 120 NM NE QUADRANT WITH SEAS TO 20 FT. ELSEWHERE WITHIN 210 NM NW AND 120 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF THE AREA FROM 11N TO 22N BETWEEN 124W AND 132W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .12 HOUR FORECAST POST-TROPICAL FERNANDA NEAR 16.6N 131.4W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. .24 HOUR FORECAST POST-TROPICAL REMNANT LOW FERNANDA NEAR 16.5N 134.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 60 NM NW QUADRANT WITH SEAS TO 14 FT. ELSEWHERE WITHIN 180 NM NW AND 90 NM SE SEMICIRCLES WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. REMAINDER OF THE AREA FROM 14N TO 21N BETWEEN 131W AND 137W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW FERNANDA NEAR 16.5N 139.1W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 180 NM N SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT FROM 15N TO 20N W OF 136W. .60 HOUR FORECAST POST-TROPICAL REMNANT LOW FERNANDA NEAR 16.5N 141.7W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. .72 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. .FROM 10N TO 11.5N E OF 88W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. CONVECTION VALID AT 0300 UTC THU AUG 17... .T.S. HILARY...NUMEROUS MODERATE TO STRONG FROM 10N TO 15N BETWEEN 101W AND 108W. .T.S. FERNANDA...SCATTERED MODERATE W OF CENTER FROM 16N TO 18N BETWEEN 130W AND 132W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM 10N84W TO 07N90W TO 11N97W THEN CONTINUES W OF T.S. HILARY FROM 13N113W TO 12N125W TO 08N135W. THE ITCZ STRETCHES TO BEYOND 07N140W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS NOTED FROM 04N TO 08N BETWEEN 79W AND 87W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS NOTED FROM 04N TO 10N BETWEEN 85W AND 92W. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.