000 FZNT02 KNHC 191013 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC THU AUG 19 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 0600 UTC THU AUG 19. 24 HOUR FORECAST VALID 0600 UTC FRI AUG 20. 48 HOUR FORECAST VALID 0600 UTC SAT AUG 21. .WARNINGS. ...HURRICANE WARNING... .HURRICANE GRACE NEAR 20.0N 87.2W 986 MB AT 0900 UTC AUG 19 MOVING W OR 280 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 195 NM NE QUADRANT...120 NM SE QUADRANT...75 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 29 FT. ELSEWHERE WITHIN 18N84W TO 18N86W TO 22N90W TO 25N86W TO 22N82W TO 18N84W...INCLUDING THE STRAITS OF FLORIDA AND THE YUCATAN CHANNEL...E TO SE WINDS 20 TO 33 KT. SEAS 8 TO 13 FT. .12 HOUR FORECAST TROPICAL STORM GRACE INLAND NEAR 20.3N 89.7W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. .24 HOUR FORECAST TROPICAL STORM GRACE OVER WATER NEAR 20.6N 92.6W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE QUADRANT...75 NM SE QUADRANT...60 NM SW QUADRANT AND 120 NM NW QUADRANT WITH SEAS TO 28 FT. ELSEWHERE WITHIN 23N87W TO 19N91W TO 20N95W TO 24N96W TO 27N92W TO 23N87W...INCLUDING WITHIN 60 NM OF CAMPECHE...E TO SE WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. .36 HOUR FORECAST HURRICANE GRACE NEAR 20.5N 95.0W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. .48 HOUR FORECAST TROPICAL STORM GRACE INLAND NEAR 20.1N 97.3W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...40 NM SW QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE QUADRANT WITH SEAS TO 18 FT. ELSEWHERE WITHIN 19N93W TO 23N98W TO 24N95W TO 21N92W TO 19N93W...INCLUDING WITHIN 60 NM OF VERACRUZ...E TO SE WINDS 20 TO 30 KT. SEAS 11 TO 13 FT. REMAINDER OF AREA WITHIN 19N92W TO 23N94W TO 24N98W TO 28N97W TO 26N92W TO 19N92W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .60 HOUR FORECAST POST-TROPICAL GRACE NEAR 19.7N 100.1W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. .72 HOUR FORECAST...DISSIPATED. ...HURRICANE WARNING... .TROPICAL STORM HENRI NEAR 29.5N 69.5W 995 MB AT 0900 UTC AUG 19 MOVING W OR 260 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE...60 NM SE QUADRANT AND 40 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM S SEMICIRCLE...90 NM NE QUADRANT AND 75 NM NW QUADRANT WITH SEAS TO 23 FT. ELSEWHERE WITHIN 30N66W TO 28N67W TO 29N71W TO 31N72W TO 31N66W TO 30N66W S WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .24 HOUR FORECAST TROPICAL STORM HENRI NEAR 29.9N 72.4W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM E SEMICIRCLE AND 50 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...AND 120 NM W SEMICIRCLE WITH SEAS TO 26 FT. ELSEWHERE WITHIN 29N69W TO 28N70W TO 28N74W TO 31N74W TO 31N69W TO 29N69W S WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .36 HOUR FORECAST HURRICANE HENRI NEAR 31.0N 73.0W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. .48 HOUR FORECAST HURRICANE HENRI NEAR 33.0N 72.5W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE QUADRANT...100 NM SE QUADRANT...70 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER N OF FORECAST WATERS. ELSEWHERE WITHIN 30N70W TO 30N73W TO 30N74W TO 31N74W TO 31N69W TO 30N70W S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 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. .CARIBBEAN 03 HOUR FORECAST WITHIN 12N73W TO 11N76W TO 12N77W TO 13N76W TO 13N73W TO 12N73W E 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. .CARIBBEAN 15 HOUR FORECAST WITHIN 16N84W TO 16N85W TO 16N87W TO 17N86W TO 17N85W TO 16N84W...INCLUDING THE GULF OF HONDURAS... E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST WITHIN 16N87W TO 16N88W TO 17N88W TO 18N86W TO 17N86W TO 16N87W...INCLUDING THE GULF OF HONDURAS... E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .36 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. $$ .FORECASTER RAMOS. NATIONAL HURRICANE CENTER.