000 FZPN03 KNHC 232203 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC MON AUG 23 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MON AUG 23. 24 HOUR FORECAST VALID 1800 UTC TUE AUG 24. 48 HOUR FORECAST VALID 1800 UTC WED AUG 25. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM MARTY NEAR 20.9N 114.1W 1002 MB AT 2100 UTC AUG 23 MOVING W OR 280 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM NE QUADRANT...20 NM SE QUADRANT...40 NM SW QUADRANT...AND 50 NM NW QUADRANT. ELSEWHERE WITHIN 20N112W TO 20N114W TO 22N115W TO 22N113W TO 21N112W TO 20N112W WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. .24 HOUR FORECAST TROPICAL STORM MARTY NEAR 21.0N 118.6W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM OF CENTER EXCEPT 30 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE WITH SEAS TO 13 FT. ELSEWHERE WITHIN 20N117W TO 19N119W TO 20N120W TO 21N120W TO 22N117W TO 20N117W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .36 HOUR FORECAST TROPICAL DEPRESSION MARTY NEAR 21.0N 120.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW MARTY NEAR 20.9N 122.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 21N122W TO 21N123W TO 22N123W TO 22N122W TO 21N122W WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. .72 HOUR FORECAST POST-TROPICAL REMNANT LOW MARTY NEAR 20.8N 127.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL REMNANT LOW MARTY NEAR 19.4N 131.9W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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. .WITHIN 14N95W TO 15N96W TO 16N96W TO 16N95W TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST WITHIN 14N97W TO 13N98W TO 14N98W TO 15N97W TO 14N97W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL. .36 HOUR FORECAST WITHIN 14N95W TO 15N96W TO 16N96W TO 16N95W TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .WITHIN 10N131W TO 09N135W TO 12N135W TO 12N132W TO 11N130W TO 10N131W AND WITHIN 10N112W TO 11N114W TO 12N114W TO 13N113W TO 12N112W TO 10N112W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .24 HOUR FORECAST WITHIN 10N109W TO 11N110W TO 12N111W TO 13N109W TO 12N108W TO 10N109W AND WITHIN 10N122W TO 10N130W TO 12N130W TO 12N128W TO 11N122W TO 10N122W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .WITHIN 16N102W TO 16N104W TO 17N104W TO 18N103W TO 17N102W TO 16N102W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .12 HOUR FORECAST WITHIN 09N93W TO 09N94W TO 10N94W TO 11N93W TO 10N92W TO 09N93W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST CONDITIONS IMPROVE. 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 2100 UTC MON AUG 23... .TROPICAL STORM MARTY...SCATTERED MODERATE ISOLATED STRONG WITHIN 30 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE. SCATTERED MODERATE ELSEWHERE WITHIN 120 NM S SEMICIRCLE. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N86W TO 12N98W THEN RESUMES FROM 13N116W TO BEYOND 11N140W. SCATTERED MODERATE FROM 07N TO 14N AND E OF 100W...FROM 12N TO 21N BETWEEN 101W AND 110W...FROM 10N TO 13N BETWEEN 108W AND 118W...AND FROM 08N TO 12N AND W OF 119W. $$ .FORECASTER ERA. NATIONAL HURRICANE CENTER.