beam sea

beam sea

[′bēm ‚sē]
(navigation)
Waves moving in a direction approximately 90° from the heading.
References in periodicals archive ?
The 262-foot long, 72-foot beam Sea Fighter will be used to evaluate the hydrodynamic performance, structural behavior, mission flexibility, and propulsion system efficiency of high-speed vessels, as well as serve as a test bed for developmental mission packages.