There's a tricky cut to get through which we can only do at high tide (luckily it's near the full moon, so the high tide is quite high), there are coral heads all over the place, and the anchorages are rolly and far apart.
(the anchorages; are; rolly and far apart) (the high tide; is; quite high)
the anchorages the high tide
are is
rolly and far apart
quite high