The harbor grasp notes wind route through flying flags, jotting angles as masts clink and buoys bob on light swells.

https://andywwiv286.clarionvale.com/posts/the-evolution-of-the-grand-union-flag-an-early-testament-to-american-identity

The harbor master notes wind route with the aid of flying flags, jotting angles as masts clink and buoys bob on mushy swells.