000 FZPN03 KNHC 171557 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC FRI SEP 17 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 1200 UTC FRI SEP 17. 24 HOUR FORECAST VALID 1200 UTC SAT SEP 18. 48 HOUR FORECAST VALID 1200 UTC SUN SEP 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 02S80W TO 03.4S120W TO 00N121W TO 00N91W TO 01N80W TO 02S80W WINDS 20 KT OR LESS. SEAS TO 8 FT IN SE TO S SWELL. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1530 UTC FRI SEP 17... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 09N78W OVER PANAMA TO 11N110W TO 10N135W. ITCZ FROM 10N135W TO BEYOND 10N140W. SCATTERED MODERATE FROM 09N-11N BETWEEN 88W-91W AS WELL AS FROM 08N-11N WEST OF 122W. $$ .FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.