000 FZPN03 KNHC 270901 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC THU AUG 27 2020 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC THU AUG 27. 24 HOUR FORECAST VALID 0600 UTC FRI AUG 28. 48 HOUR FORECAST VALID 0600 UTC SAT AUG 29. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM HERNAN NEAR 18.6N 106.0W 1001 MB AT 0900 UTC AUG 27 MOVING N OR 355 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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...150 NM SE QUADRANT AND 120 NM SW QUADRANT WITH SEAS TO 16 FT. ELSEWHERE WITHIN 18N105W TO 18N107W TO 19N106W TO 20N106W TO 19N105W TO 18N105W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER AREA WITHIN 17N105W TO 17N106W TO 19N107W TO 20N106W TO 19N104W TO 17N105W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM HERNAN NEAR 20.7N 107.3W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 0 NM N SEMICIRCLE...90 NM SE QUADRANT AND 60 NM SW QUADRANT WITH SEAS TO 14 FT. ELSEWHERE WITHIN 20N107W TO 20N108W TO 21N108W TO 22N107W TO 21N106W TO 20N107W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER AREA WITHIN 20N106W TO 20N107W TO 20N108W TO 22N107W TO 21N106W TO 20N106W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL DEPRESSION HERNAN NEAR 22.7N 110.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 22N111W TO 23N111W TO 24N111W TO 23N110W TO 22N111W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .72 HOUR FORECAST POST-TROPICAL REMNANT LOW HERNAN NEAR 22.4N 114.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST...DISSIPATED. ...TROPICAL STORM WARNING... .TROPICAL STORM ISELLE NEAR 16.6N 116.1W 1001 MB AT 0900 UTC AUG 27 MOVING NNE OR 030 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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 30 NM NE QUADRANT...120 NM SE QUADRANT...90 NM SW QUADRANT...AND 0 NM NW QUADRANT WITH SEAS TO 16 FT. ELSEWHERE WITHIN 16N115W TO 15N116W TO 16N117W TO 17N116W TO 17N115W TO 16N115W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER AREA WITHIN 15N114W TO 15N118W TO 17N118W TO 18N116W TO 18N114W TO 15N114W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM ISELLE NEAR 17.8N 115.2W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM N SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 30 NM NE QUADRANT...150 NM SE QUADRANT...120 NM SW QUADRANT...AND 0 NM NW QUADRANT WITH SEAS TO 14 FT. ELSEWHERE WITHIN 17N114W TO 17N115W TO 18N116W TO 19N115W TO 18N114W TO 17N114W WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER AREA WITHIN 17N114W TO 16N116W TO 18N117W TO 20N115W TO 17N114W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM ISELLE NEAR 19.3N 114.1W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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 30 NM NE QUADRANT...120 NM SE QUADRANT...90 NM SW QUADRANT...AND 0 NM NW QUADRANT WITH SEAS TO 13 FT. ELSEWHERE WITHIN 19N113W TO 19N115W TO 20N114W TO 19N113W WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER AREA WITHIN 19N113W TO 18N115W TO 19N115W TO 20N113W TO 19N112W TO 19N113W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .72 HOUR FORECAST TROPICAL STORM ISELLE NEAR 21.7N 114.6W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 22.4N 115.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .120 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 22.4N 117.0W. 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 03.4S94W TO 03S93W TO 02S86W TO 03S80W TO 03S80W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL. .24 HOUR FORECAST WITHIN 03.4S80W TO 03.4S89W TO 01S84W TO 01S82W TO 03.4S80W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .WITHIN 12N113W TO 14N117W TO 16N113W TO 17N108W TO 16N106W TO 12N113W SW WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 12N102W TO 10N107W TO 10N118W TO 18N112W TO 17N101W TO 12N102W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW SWELL. .24 HOUR FORECAST WITHIN 14N113W TO 14N114W TO 17N114W TO 17N113W TO 16N112W TO 14N113W SW WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. WITHIN 12N106W TO 12N119W TO 20N112W TO 19N105W TO 16N103W TO 12N106W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW SWELL. .48 HOUR FORECAST WITHIN 14N110W TO 13N115W TO 17N114W TO 20N111W TO 19N108W TO 14N110W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0900 UTC THU AUG 27... TROPICAL STORM HERNAN...NUMEROUS MODERATE SCATTERED STRONG WITHIN 120 NM SW SEMICIRCLE. SCATTERED MODERATE ISOLATED STRONG CONVECTION ELSEWHERE FROM 15N TO 19N BETWEEN 105W AND 111W. TROPICAL STORM ISELLE...NUMEROUS MODERATE SCATTERED STRONG WITHIN 150 NM SW SEMICIRCLE. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 14N88W TO 16N100W. IT RESUMES NEAR 14N122W TO 11N140W. NUMEROUS MODERATE SCATTERED STRONG N OF 08N BETWEEN 85W AND 105W. SCATTERED MODERATE ISOLATED STRONG FROM 08N TO 11N BETWEEN 128W AND 140W. $$ .FORECASTER AL. NATIONAL HURRICANE CENTER.