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Monitoring shows net beach gains; Nags Head advances a 2.2 million‑cu‑yd nourishment procurement
Summary
Consultant presentation to the Nags Head Board on Oct. 1 summarized June 2025 monitoring: lower‑than‑typical wave activity produced net gains in monitored oceanfront volumes and mixed dune outcomes by reach, and the town is advertising a proposed beach nourishment project with a base bid of about 2.2 million cubic yards and two 100,000‑cu‑yd alternates.
Consultants and town staff reported monitoring and planning updates for Nags Head’s beaches at the Oct. 1 Board of Commissioners meeting, and the town is moving forward with procurement for a large beach nourishment project.
Key monitoring findings: Dr. Beth Shidone (consultant) summarized the June 2025 survey and said the season had fewer large wave events and a predominance of east‑southeast waves, which likely limited erosion and led to a net accumulation in monitored offshore volumes. The consultant reported a gain of nearly 70,000 cubic yards within the nourished oceanfront and roughly 263,000 cubic yards across the total monitored oceanfront during the June‑to‑June period. Dune volumes showed localized losses in several southern reaches, and the consultant noted some offshore losses beyond the depth‑of‑closure (minus‑19 ft NAVD88), indicating material moved to deeper elevations and may be less likely to return to the dry beach.
Project and procurement: Staff presented the planned beach nourishment project that would place sand across the nourished oceanfront (reaches 1–4) with a 500‑ft taper onto National Park Service property at the town’s south boundary—permitted via a special‑use permit already obtained from the Park Service. The base bid for the project is approximately 2.2 million cubic yards of sand with two additive alternates of 100,000 cubic yards each. The project advertisement has been posted; plans were requested by dredge contractors, a pre‑bid meeting was scheduled, and bids are due Nov. 13 (opening at 2 p.m.). The board expects a workshop in December to review bids, an intent‑to‑award as early as Jan. 7, and a potential notice‑to‑proceed on April 1. Staff estimated construction could be staged for summer 2026 and/or summer 2027.
Permitting and risks: Staff said the town has received state 401 water quality certification and the KMA permit; an Army Corps of Engineers permit remains pending. Commissioners discussed regionwide scheduling and whether neighboring towns’ nourishment projects would affect bids and mobilization costs. The consultant noted modeling or additional fall surveys could help explain longshore movement of offshore bars that appear to be moving material beyond the depth of closure.
Quote: “This period had lower than usual wave heights… and a net increase above the minus‑19 instead of a net loss,” the consultant said summarizing the monitoring results.
What’s next: Bids due Nov. 13; staff will hold a December workshop to review bids and provide the board with procurement recommendations. The town will monitor offshore processes and may commission additional analysis if needed before construction.
