217 FZNT02 KNHC 202009 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC TUE MAY 20 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC TUE MAY 20. 24 HOUR FORECAST VALID 1800 UTC WED MAY 21. 48 HOUR FORECAST VALID 1800 UTC THU MAY 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 09 HOUR FORECAST FRONTAL TROUGH FROM 31N59W TO 27N63W. WITHIN 31N49W TO 31N54W TO 30N53W TO 29N54W TO 28N52W TO 30N50W TO 31N49W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 M. .24 HOUR FORECAST FRONTAL TROUGH FROM 31N54W TO 27.5N60W. WITHIN 31N46W TO 31N53W TO 29N52W TO 29N50W TO 30N48W TO 31N46W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST WEAKENED FRONTAL TROUGH FROM 31N50W TO 27.5N59W. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .CARIBBEAN 03 HOUR FORECAST WITHIN 17N84W TO 18N86W TO 17N87W TO 16N86W TO 16N85W TO 15N84W TO 17N84W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .CARIBBEAN 03 HOUR FORECAST WITHIN 13N69W TO 14N71W TO 13N73W TO 12N74W TO 11N71W TO 12N69W TO 13N69W...INCLUDING NEAR THE GULF OF VENEZUELA...E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .GULF OF AMERICA 06 HOUR FORECAST WITHIN 23N87W TO 24N88W TO 23N90W TO 22N90W TO 21N89W TO 22N88W TO 23N87W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 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 LEWITSKY. NATIONAL HURRICANE CENTER.