FZNT02 KNHC 201452 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC THU AUG 20 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 AUG 20. 24 HOUR FORECAST VALID 1200 UTC FRI AUG 21. 48 HOUR FORECAST VALID 1200 UTC SAT AUG 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .CARIBBEAN WITHIN 15N72W TO 15N75W TO 14N79W TO 11N78W TO 11N71W TO 12N70W TO 15N72W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 16N69W TO 18N72W TO 13N79W TO 10N76W TO 12N73W TO 12N69W TO 16N69W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN E SWELL. .48 HOUR FORECAST LITTLE CHANGE. .GULF OF AMERICA 18 HOUR FORECAST WITHIN 21N90W TO 22N91W TO 20N92W TO 19N92W TO 19N91W TO 21N90W WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.