In particular, there was Cape Wada to the west of tomari and thus the ocean waves were safe when the wind was in the west, but when in the southeast the ships were often wrecked because the southeast direction of tomari was open to the ocean.
とくに、泊の西方向には和田岬があって西風の波浪には安全であったが、南東方向は海にひらけており南東風のため諸船がしばしば難破した。