000 FZPN03 KNHC 270316 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU AUG 27 2020 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 27. 24 HOUR FORECAST VALID 0000 UTC FRI AUG 28. 48 HOUR FORECAST VALID 0000 UTC SAT AUG 29. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM HERNAN NEAR 18.3N 105.8W 1004 MB AT 0300 UTC AUG 27 MOVING N OR 360 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM N SEMICIRCLE...70 NM SE QUADRANT AND 90 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH SEAS TO 12 FT. ELSEWHERE WITHIN 17N104W TO 17N106W TO 18N107W TO 19N106W TO 19N105W TO 17N104W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST TROPICAL STORM HERNAN NEAR 20.2N 106.6W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 0 NM N AND 60 NM S SEMICIRCLES WITH SEAS TO 12 FT. ELSEWHERE WITHIN 19N106W TO 19N107W TO 20N108W TO 21N106W TO 20N106W TO 19N106W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER AREA WITHIN 20N105W TO 19N108W TO 20N109W TO 22N108W TO 22N106W TO 20N105W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL DEPRESSION HERNAN NEAR 22.0N 109.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 22.5N109W TO 22.5N109.5W TO 23N109.5W TO 23.5N109W TO 22.5N109W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 22N108W TO 22N110W TO 23N110W TO 24N109W TO 23N108W TO 22N108W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL. .72 HOUR FORECAST POST-TROPICAL REMNANT LOW HERNAN NEAR 22.5N 113.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL REMNANT LOW HERNAN NEAR 22.4N 115.7W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. .120 HOUR FORECAST...DISSIPATED. ...TROPICAL STORM WARNING... .TROPICAL STORM ISELLE NEAR 16.2N 116.2W 1001 MB AT 0300 UTC AUG 27 MOVING NE OR 050 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER EXCEPT 90 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE WITH SEAS TO 12 FT. ELSEWHERE WITHIN 15N115W TO 15N117W TO 16N117W TO 17N117W TO 17N115W TO 15N115W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST TROPICAL STORM ISELLE NEAR 17.3N 115.3W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM N SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 90 NM S AND 0 NM N SEMICIRCLE OF CENTER WITH SEAS TO 13 FT. ELSEWHERE WITHIN 17N114W TO 16N116W TO 17N116W TO 18N116W TO 18N115W TO 17N114W WINDS 20 TO 33 KT. SEAS 9 TO 11 FT. REMAINDER AREA WITHIN 17N114W TO 16N116W TO 17N117W TO 19N116W TO 18N114W TO 17N114W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM ISELLE NEAR 18.6N 114.1W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM S SEMICIRCLE...30 NM NE QUADRANT AND 20 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM S AND 30 NM N SEMICIRCLES WITH SEAS TO 13 FT. ELSEWHERE WITHIN 18N113W TO 18N115W TO 19N115W TO 19N114W TO 19N113W TO 18N113W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST TROPICAL DEPRESSION ISELLE NEAR 20.7N 113.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 22.5N 115.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .120 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 22.5N 116.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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 03S80W TO 03.4S93W TO 02S84W TO 02S81W TO 03S80W WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW SWELL. .24 HOUR FORECAST WITHIN 03.4S81W TO 03.4S92W TO 01S88W TO 00N83W TO 02S81W TO 03.4S81W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .WITHIN 13N109W TO 12N116W TO 14N117W TO 16N113W TO 16N105W TO 13N109W SW WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 10N105W TO 10N115W TO 11N120W TO 18N111W TO 16N98W TO 10N105W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW SWELL. .24 HOUR FORECAST WITHIN 15N110W TO 14N113W TO 14N115W TO 17N114W TO 17N110W TO 15N110W SW WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE WITHIN 12N105W TO 12N118W TO 19N113W TO 19N104W TO 16N102W TO 12N105W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN SW SWELL. .48 HOUR FORECAST WITHIN 15N107W TO 13N113W TO 13N116W TO 19N112W TO 18N106W TO 15N107W SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0300 UTC THU AUG 27... TROPICAL STORM HERNAN...NUMEROUS MODERATE AND ISOLATED STRONG CONVECTION IS NOTED WITHIN 90 NM IN THE SW SEMICIRCLE. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS ELSEWHERE FROM 13N TO 18N BETWEEN 104W AND 113W. TROPICAL STORM ISELLE...NUMEROUS MODERATE AND SCATTERED STRONG CONVECTION IS NOTED WITHIN 150 NM IN THE SW SEMICIRCLE. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 14N88W TO 16N100W. IT RESUMES NEAR 14N122W TO 11N140W. NUMEROUS MODERATE AND SCATTERED STRONG N OF 08N E OF 104W. SCATTERED MODERATE ISOLATED STRONG FROM 05N TO 11N BETWEEN 130W AND 140W. $$ .FORECASTER AL. NATIONAL HURRICANE CENTER.