Limit of Moderate Wave Action (Limwa) 1 : A line indicating the limit of the 1.5-foot wave height during the base flood. FEMA requires new flood studies in coastal areas to delineate the LiMWA
Coastal Construction Manual: Principles and Practices of Planning, Sitting, Designing, Constructing, and Maintaining Residential Buildings in Coastal Areas (Fourth Edition), Glossary, FEMA P-55 / Volume II, Washington, DC, USA 2011. http://www.fema.gov/media-library-data/20130726-15 10-20490-1986/fema55_volii_combined_rev.pdf, (CoaStormEmr - Amer) {887}