Grayland, WA Coastal Erosion Rate
Shoreline change 0.9 miles northwest of Grayland, WA
0.9 miles northwest of Grayland, WA: USGS's transects didn't pick up a trend here that beats the survey's own uncertainty. That's the majority case nationally, and for this stretch specifically it means the coast is holding, not that the data failed to find anything.
The grain of this number
This is a roughly 3.5-mile stretch of coast, not one address or parcel - USGS's own transects run every few hundred feet, but that's finer than any one property needs, so this page reports the stretch nearest Grayland, WA. Centered near 46.85°N, 124.11°W. The survey behind it runs to 2002-2011, in USGS's Pacific Northwest assessment, using the LRR method. Shoreline surveys aren't repeated every year, so this is the most recent long-term measurement USGS has published for this coast, not a live reading.
Where this fits nationally
114 transects feed this segment's number; 32% of them individually measured retreat. Uncertainty on this specific number: 1.26 ft/yr either side. Taken at face value, this segment's raw 0.55 ft/yr reading would land it 1032 of 1211 nationally - a number worth ignoring, since it's statistical noise rather than a real trend. Source: USGS Open-File Report 2012-1008. For scale: Westhaven-Moonstone, CA, 404 miles away, ranks 1151 of 1211 nationally for growth, 1.85 ft/yr. 2.7 miles away, Westport, WA is the nearest other measured stretch: accretion (beach growing) at 1.25 ft/yr.
One address near Grayland: the Coastal Change Hazards Portal zooms past this stretch to the underlying map.