By the morning of 9 September the wind had dropped and the French frigates were sailing in line slowly eastwards along the northern coast of Sumatra, the British ships close behind.
Pada pagi hari tanggal 9 September, tiupan angin telah jeblok dan kapal-kapal freigat Prancis berlayar perlahan dalam barisan ke arah timur sepanjang pesisir utara Sumatera, kapal-kapal Britania berada dekat di belakangnya.