000 FZNT02 KNHC 180309 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC FRI JUN 18 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC FRI JUN 18. 24 HOUR FORECAST VALID 0000 UTC SAT JUN 19. 48 HOUR FORECAST VALID 0000 UTC SUN JUN 20. .WARNINGS. ...GULF OF MEXICO TROPICAL STORM WARNING... .POTENTIAL TROPICAL CYCLONE THREE NEAR 23.5N 92.2W 1007 MB AT 0300 UTC JUN 18 MOVING N OR 360 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 24N87W TO 23N88W TO 25N89W TO 26N91W TO 26N87W TO 24N87W SE WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE WITHIN 24N89W TO 24N90W TO 25N90W TO 25N89W TO 24N89W WINDS 20 KT OR LESS. SEAS 8 FT. .24 HOUR FORECAST TROPICAL STORM THREE NEAR 27.2N 92.4W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 90 NM NE SEMICIRCLE WITH SEAS TO 13 FT. ELSEWHERE WITHIN 26N88W TO 26N92W TO 29N93W TO 29N89W TO 30N86W TO 26N88W WINDS 20 TO 33 KT. SEAS TO 11 FT. REMAINDER OF AREA WITHIN 25N91W TO 25N93W TO 27N93W TO 26N92W TO 26N89W TO 25N91W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL DEPRESSION THREE INLAND NEAR 32.0N 88.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 29N87W TO 29N89W TO 30N88W TO 30N86W TO 29N87W SW WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 28N89W TO 28N90W TO 29N89W TO 29N88W TO 28N89W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL. .60 HOUR FORECAST POST-TROPICAL THREE NEAR 34.1N 86.1W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. .72 HOUR FORECAST POST-TROPICAL THREE NEAR 35.6N 83.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 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. .ATLC WITHIN 13N40W TO 12N59W TO 20N66W TO 18N54W TO 19N38W TO 13N40W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL. .24 HOUR FORECAST WITHIN 14N35W TO 12N35W TO 13N38W TO 14N36W TO 16N35W TO 14N35W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NE AND SE SWELL. WITHIN 15N45W TO 13N48W TO 16N55W TO 19N55W TO 19N49W TO 15N45W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL. .48 HOUR FORECAST WITHIN 16N53W TO 16N57W TO 18N60W TO 20N58W TO 19N52W TO 16N53W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. WITHIN 16N44W TO 16N48W TO 18N45W TO 19N42W TO 18N43W TO 16N44W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NE AND SE SWELL. .ATLC 21 HOUR FORECAST WITHIN 31N62W TO 31N62.5W TO 31N62W SW WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST WITHIN 30.5N61.5W TO 30.5N62W TO 31N62W TO 31N61W TO 30.5N61.5W SW WINDS 20 TO 25 KT. SEAS TO 8 FT. .30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN WITHIN 12N73W TO 11N75W TO 12N75W TO 13N74W TO 12N73W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST WITHIN 13N68W TO 11N71W TO 13N75W TO 17N74W TO 18N72W TO 13N68W E WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST WITHIN 13N72W TO 12N74W TO 13N76W TO 15N75W TO 15N73W TO 13N72W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 14N76W TO 12N76W TO 14N80W TO 16N74W TO 15N72W TO 14N76W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN E SWELL. .CARIBBEAN WITHIN 17N85W TO 16N85W TO 16N86W TO 17N86W TO 17N85W...INCLUDING THE GULF OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST WITHIN 17N86W TO 16N87W TO 17N87W TO 17N86W...INCLUDING THE GULF OF HONDURAS...E 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 STRIPLING. NATIONAL HURRICANE CENTER.