3 Nor aught save peril, still as he did pass:

still > continually

4 Tho when appeared the third morrow bright,

Tho > Then bright > bright; beautiful

5 Upon the waves to spread its trembling light, 6 A hideous roaring far away they heard,

hideous > terrific; odious

7 That all their senses filled with affright,

affright > terror

8 And straight they saw the raging surges reared

straight > straightway