The harbor master notes wind direction via flying flags, jotting angles as masts clink and buoys bob on easy swells.

https://www.slideserve.com/lainemffy/pirate-flags-at-home-expressing-freedom-and-identity-the-bold-way

The harbor grasp notes wind direction with the aid of flying flags, jotting angles as masts clink and buoys bob on easy swells.