000 FZPN03 KNHC 182106 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC WED OCT 18 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 WED OCT 18. 24 HOUR FORECAST VALID 1800 UTC THU OCT 19. 48 HOUR FORECAST VALID 1800 UTC FRI OCT 20. .WARNINGS. ...HURRICANE WARNING... .HURRICANE NORMA NEAR 15.6N 108.0W 984 MB AT 2100 UTC OCT 18 MOVING N OR 350 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 60 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM S SEMICIRCLE...135 NM NE QUADRANT AND 120 NM NW QUADRANT WITH SEAS TO 22 FT. ELSEWHERE WITHIN 17N103W TO 18N105W TO 18N109W TO 13N110W TO 10N106W TO 11N103W TO 17N103W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 16N98W TO 19N104W TO 15N113W TO 06N115W TO 04N109W TO 06N102W TO 16N98W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE NORMA NEAR 17.7N 108.3W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NW AND SE QUADRANTS...150 NM NE QUADRANT AND 70 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM N SEMICIRCLE AND 150 NM S SEMICIRCLE WITH SEAS TO 34 FT. ELSEWHERE WITHIN 19N104W TO 22N107W TO 20N110W TO 16N112W TO 12N106W TO 13N103W TO 19N104W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 21N106W TO 22N114W TO 13N117W TO 03N112W TO 03N106W TO 12N101W TO 21N106W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE NORMA NEAR 19.6N 109.1W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 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 WITHIN 210 NM OF CENTER...EXCEPT 240 NM NW QUADRANT WITH SEAS TO 35 FT. ELSEWHERE WITHIN 22N106W TO 23N108W TO 22N111W TO 19N112W TO 16N109W TO 18N106W TO 22N106W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST HURRICANE NORMA NEAR 22.1N 110.0W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE NORMA NEAR 22.7N 109.9W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. .120 HOUR FORECAST TROPICAL STORM NORMA NEAR 24.0N 109.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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 14N94W TO 16N95W TO 14N98W TO 12N98W TO 12N96W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .24 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N95W TO 15N96W TO 14N96W TO 14N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC ...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST LITTLE CHANGE. .WITHIN 30N135W TO 30N140W TO 23N140W TO 27N137W TO 30N135W WINDS 20 KT OR LESS. SEAS 12 TO 16 FT IN NW SWELL. ELSEWHERE WITHIN 30N120W TO 30N135W TO 23N140W TO 09N140W TO 11N136W TO 30N120W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL. .24 HOUR FORECAST WITHIN 30N117W TO 30N140W TO 04N140W TO 04N117W TO 16N120W TO 30N117W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL...HIGHEST NW HALF. .48 HOUR FORECAST EXCEPT AS NOTED WITH NORMA...WITHIN 30N116W TO 30N140W TO 02N140W TO 01N112W TO 11N101W TO 30N116W...INCLUDING SEBASTIAN VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL. .WITHIN 02S112W TO 01S120W TO 03.4S120W TO 03.4S109W TO 02S112W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL. .24 HOUR FORECAST WITHIN 01N104W TO 02N112W TO 01S120W TO 03.4S120W TO 03.4S108W TO 01N104W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL. .48 HOUR FORECAST WITHIN 01S109W TO 00N114W TO 00N120W TO 03.4S120W TO 03.4S104W TO 01S109W WINDS 20 KT OR LESS. SEAS 8 FT IN MERGING SW AND NW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1800 UTC WED OCT 18... .HURRICANE NORMA...NUMEROUS MODERATE SCATTERED STRONG WITHIN 600 NM E SEMICIRCLE AND 210 NM W SEMICIRCLE. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 09.5N80W TO LOW PRES NEAR 08N95W TO 11N100W...THEN RESUMES SW OF NORMA NEAR 10N113W TO LOW PRES NEAR 11N121W TO 08N140W. SCATTERED MODERATE ISOLATED STRONG FROM 06N TO 11N BETWEEN 99W AND 100W. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.