000 FZPN03 KNHC 191512 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC THU OCT 19 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC THU OCT 19. 24 HOUR FORECAST VALID 1200 UTC FRI OCT 20. 48 HOUR FORECAST VALID 1200 UTC SAT OCT 21. .WARNINGS. ...HURRICANE WARNING... .HURRICANE NORMA NEAR 17.4N 107.6W 946 MB AT 1500 UTC OCT 19 MOVING N OR 360 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 80 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM E SEMICIRCLE AND 210 NM W SEMICIRCLE WITH SEAS TO 32 FT. ELSEWHERE WITHIN 18N104W TO 20N106W TO 20N110W TO 14N111W TO 10N106W TO 13N103W TO 18N104W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 18N102W TO 22N110W TO 17N116W TO 04N122W TO 01N116W TO 03N105W TO 18N102W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE NORMA NEAR 19.3N 108.3W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE QUADRANT...120 NM SE QUADRANT...80 NM SW QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 180 NM E SEMICIRCLE AND 240 NM W SEMICIRCLE WITH SEAS TO 34 FT. ELSEWHERE WITHIN 21N106W TO 22N109W TO 21N112W TO 16N111W TO 15N108W TO 16N106W TO 21N106W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST HURRICANE NORMA NEAR 21.9N 109.2W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...110 NM SE QUADRANT...70 NM SW QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 180 NM NE QUADRANT...150 NM SE QUADRANT... AND 240 NM W SEMICIRCLE WITH SEAS TO 31 FT. ELSEWHERE WITHIN 23N107W TO 24N109W TO 23N112W TO 19N112W TO 18N109W TO 19N107W TO 23N107W...INCLUDING THE ENTRANCE TO THE GULF OF CALIFORNIA... WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST TROPICAL STORM NORMA NEAR 23.6N 109.0W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM NORMA NEAR 24.2N 108.3W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. .120 HOUR FORECAST TROPICAL DEPRESSION NORMA INLAND NEAR 24.8N 107.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. 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. .WITHIN 16N94W TO 16N95W TO 14N95W TO 15N95W TO 16N94W... INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .WITHIN 30N118W TO 30N140W TO 05N140W TO 07N134W TO 20N121W TO 30N118W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NW SWELL... HIGHEST NW HALF. .24 HOUR FORECAST EXCEPT AS NOTED WITH NORMA...WITHIN 15N101W TO 30N116W TO 30N140W TO 03N140W TO 03N110W TO 15N101W...INCLUDING SEBASTIAN VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL. .48 HOUR FORECAST EXCEPT AS NOTED WITH NORMA...WITHIN 14N100W TO 30N116W TO 22N131W TO 00N136W TO 03.4S104W TO 14N100W...INCLUDING SEBASTIAN VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL. .WITHIN 01S109W TO 00N124W TO 01S120W TO 03.4S120W TO 03.4S107W TO 01S109W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST CONDITIONS MERGED. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 09.5N95W 1008 MB. WITHIN 11N94W TO 11N96W TO 10N99W TO 07N98W TO 07N95W TO 09N94W TO 11N94W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1430 UTC THU OCT 19... .HURRICANE NORMA...NUMEROUS MODERATE SCATTERED STRONG WITHIN 150 NM OF CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 14N TO 22N BETWEEN 104W AND 111W...AND FROM 10N TO 14N BETWEEN 101W AND 107W. .LOW PRES NEAR 08.5N94.5W...NUMEROUS MODERATE ISOLATED STRONG WITHIN 240 NM NE SEMICIRCLE AND 360 NM SW SEMICIRCLE. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N76W TO LOW PRES NEAR 08.5N94.5W TO 10N102W THEN RESUMES WELL SW OF NORMA NEAR 10N117W TO LOW PRES NEAR 10.5N122W TO 07N128W TO BEYOND 09.5N140W. SCATTERED MODERATE ISOLATED STRONG FROM 01N TO 09N BETWEEN 77W AND 89W... INCLUDING GULF OF PANAMA...AND FROM 05N TO 10N BETWEEN 107W AND 127W. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.