Abstract: In order to evaluate the combat capability of surface warships while considering the impact of wind and waves, the impact on seagoing performance and weapon operation is analyzed, an evaluation index system for the combat capability evaluation of surface warships is determined, and an evaluation method is presented on the basis of the Analytic Hierarchy Process(AHP) and multi-attribute utility theory. Next, a typical example is used to validate the proposed method. It is found that the integrated combat capability of an evaluated destroyer in sea state 5 is approximate to 81.5% of that in calm water (sea state 0). The results show that the proposed method can quantitatively evaluate the actual combat capability of surface warships while considering the impact of wind and waves, which provides technical support for new ship demonstration and development.