000 FZNT02 KNHC 202019 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC THU JUL 20 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC THU JUL 20. 24 HOUR FORECAST VALID 1800 UTC FRI JUL 21. 48 HOUR FORECAST VALID 1800 UTC SAT JUL 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC AND CARIBBEAN WITHIN 21N70W TO 21N73W TO 20N74W TO 19N74W TO 20N73W TO 20N71W TO 21N70W E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN WITHIN 18N71W TO 18N78W TO 13N81W TO 10N78W TO 13N67W TO 18N71W...INCLUDING THE GULF OF VENEZUELA...E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 15N71W TO 16N74W TO 14N75W TO 12N74W TO 12N71W TO 14N70W TO 15N71W...INCLUDING THE GULF OF VENEZUELA... E WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN 15N75W TO 15N80W TO 15N82W TO 13N81W TO 12N77W TO 13N75W TO 15N75W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.