Using Coastal Vulnerability Assessment Results for the Shorelines of Pacific and Grays Harbor Counties

Introduction

This practitioner’s guide provides detailed guidance on using the InVEST Coastal Vulnerability model to assess shoreline risk in Pacific and Grays Harbor counties, Washington. The report explains how coastal areas are affected by storms, erosion, and sea level rise, and identifies locations most vulnerable to flooding and shoreline change. It emphasizes the importance of natural habitats such as wetlands, dunes, forests, eelgrass, and shellfish reefs in reducing coastal vulnerability by buffering wave energy and stabilizing sediments. The guide outlines how model results can support shoreline planning, policy development, restoration prioritization, and community decision making. It also explores scenarios comparing conditions with and without habitats to demonstrate their protective value. By integrating science based tools into planning processes, communities can improve resilience, reduce risk, and protect both ecosystems and infrastructure.