000 FZNT02 KNHC 192138 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC FRI MAR 19 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC FRI MAR 19. 24 HOUR FORECAST VALID 1800 UTC SAT MAR 20. 48 HOUR FORECAST VALID 1800 UTC SUN MAR 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC COLD FRONT FROM 31N73W TO 25N81W. WITHIN 29N74W TO 29N77W TO 31N79W TO 31N70W TO 29N74W W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .24 HOUR FORECAST STATIONARY FRONT FROM 31N67W TO 1016 MB LOW PRESSURE NEAR 25N79W TO 23N80W. NEW FRONT FROM 31N70W TO 28N81W. WITHIN 30N68W TO 28N74W TO 29N79W TO 31N81W TO 31N66W TO 30N68W NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 31N65W TO 25N78W. SECOND FRONT FROM LOW PRESSURE NEAR 28N78W 1015 MB TO 23N80W. WITHIN 29N58W TO 26N70W TO 27N79W TO 31N81W TO 31N54W TO 29N58W SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .ATLC WITHIN 30N40W TO 30N43W TO 30N48W TO 31N48W TO 31N39W TO 30N40W NE TO E WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 12N35W TO 13N55W TO 17N62W TO 31N49W TO 31N35W TO 12N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL. .24 HOUR FORECAST WITHIN 27N39W TO 23N47W TO 24N51W TO 30N51W TO 31N37W TO 27N39W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN WITHIN 12N71W TO 10N76W TO 11N79W TO 13N80W TO 13N74W TO 12N71W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 11N76W TO 10N77W TO 10N79W TO 12N79W TO 13N76W TO 11N76W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.