scope:

The aims of this agreement are to:

a. Establish the use of a common source of wave and wind data for NATO Operational Areas and their application for the purposes of assessing the operability, interoperability, and habitability characteristics of participating nation ships and ship designs.

b. Provide a recommended standard for observations of sea conditions by participating nations, to be followed during ship trials or operational evaluations wherein the recording of seakeeping data is of primary importance.

c. Provide a NATO Sea State Numeral Table to categorize sea conditions for the open ocean North Atlantic for reference purposes by participating nations.