Seadrift, TX Coastal Erosion Rate
Is the coast eroding 12.6 miles southeast of Seadrift, TX?
The coast 12.6 miles southeast of Seadrift, TX shows no statistically significant trend either way. USGS's transects measured a rate here, but it's smaller than the survey's own margin of error for this stretch, so calling it "eroding" or "growing" would overstate what the data actually shows.
What this reading actually covers
Nothing here is parcel-level. USGS's raw transects run every few hundred feet along the shore; this page averages the ones nearest Seadrift, TX into one ~3.5-mile reading rather than picking a single arbitrary line to represent the area. Centered near 28.28°N, 96.58°W. The survey behind it runs to 2001, in USGS's Gulf of Mexico 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
This reading comes from 16 individual transects averaged together, 0% of which measured erosion rather than growth. USGS's confidence interval here is ±1.03 ft/yr. Taken at face value, this segment's raw 0.91 ft/yr reading would land it 1092 of 1211 nationally - a number worth ignoring, since it's statistical noise rather than a real trend. Source: USGS Open-File Report 2004-1089. Fort Dick, CA sits at national rank 970 for growth (0.32 ft/yr), one reference point among the 1211 scored segments, 1811 miles from here. 1.8 miles up the coast, Seadrift, TX shows the same lack of a significant trend.
One address near Seadrift: the Coastal Change Hazards Portal zooms past this stretch to the underlying map.