FZNT02 KNHC 081601 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC THU OCT 08 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 AMERICA SYNOPSIS VALID 1200 UTC THU OCT 08. 24 HOUR FORECAST VALID 1200 UTC FRI OCT 09. 48 HOUR FORECAST VALID 1200 UTC SAT OCT 10. .WARNINGS. ...GULF OF AMERICA HURRICANE WARNING... .HURRICANE ISAIAS NEAR 23.7N 90.2W 975 MB AT 1500 UTC OCT 08 MOVING ENE OR 060 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 60 NM OF CENTER EXCEPT 30 NM SW QUADRANT WITH SEAS TO 8 M. ELSEWHERE WITHIN 24N88W TO 26N90W TO 26N93W TO 24N95W TO 20N93W TO 22N88W TO 24N88W...INCLUDING WITHIN 60 NM OF COAST OF CAMPECHE...WINDS 20 TO 33 KT. SEAS 3 TO 5 M. .24 HOUR FORECAST HURRICANE ISAIAS NEAR 27.1N 87.9W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE QUADRANT...100 NM SE QUADRANT...70 NM SW QUADRANT...AND 130 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM OF CENTER...EXCEPT 180 NM SW QUADRANT WITH SEAS TO 11 M. ELSEWHERE WITHIN 30N83W TO 29N94W TO 26N96W TO 22N93W TO 21N90W TO 24N84W TO 30N83W WINDS 20 TO 33 KT. SEAS 3.5 TO 5.5 M. .48 HOUR FORECAST TROPICAL STORM ISAIAS INLAND NEAR 32.3N 87.8W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE. OVER FORECAST WATERS SEAS LESS THAN 4 M. WITHIN 30N85W TO 30N86W TO 29N87W TO 28N86W TO 28N85W TO 30N85W S WINDS 20 TO 25 KT. SEAS 3 TO 4.5 M IN S TO SW SWELL. REMAINDER OF AREA WITHIN 29N83W TO 30N89W TO 28N97W TO 24N95W TO 24N87W TO 29N83W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED NE AND SW SWELL. 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 24 HOUR FORECAST COLD FRONT FROM 31N68W TO 30N70W AND STATIONARY TO 29N81W. WITHIN 31N80W TO 31N81W TO 30N81W TO 29N81W TO 29N80W TO 30N79W TO 31N80W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST WARM FRONT ALONG 31N W OF 72W. WITHIN 31N77W TO 31N81W TO 30N81W TO 30N79W TO 31N77W E TO SE WINDS 20 TO 25 KT. SEAS TO 2.5 M W OF 79W. .GULF OF AMERICA STATIONARY FRONT 28N83W TO 28N85W TO 27.5N88W. WITHIN 29N84W TO 30N87W TO 30N89W TO 29N93W TO 27N92W TO 28N87W TO 29N84W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST CONDITIONS TO MERGE WITH THOSE ASSOCIATED WITH ISAIAS. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.