The Hāwea and Honolua Study area extends from Hāwea Point in the west to Honolua Bay in the east (transects 1438 – 1502). The coastline is comprised of several bays with sand or cobble pocket beaches. The offshore is characterized by rock substrate and sand. The orientation of this coast towards the northwest exposes it to winter swell events. Geographic divisions of bays and pocket beaches offer a convenient layout for describing this area.
As a whole, the area (transects 1438 – 1502) has remained relatively stable to slightly erosive since 1912 with an average rate of -0.2 ft/yr. Oneloa Beach (transects 1441 – 1461) and D. T. Fleming Beach (transects 1462 – 1486) at Honokahua Bay have both remained relatively stable over time, both having average rates of 0.0 ft/yr. Seasonally, however, these two beaches’ profiles change considerably. Mokulēʻia Beach (transects 1487 – 1496) has experienced moderate to high erosion over time with an average rate of -1.1 ft/yr. The beach at Honolua Bay (transects 1497 – 1502) is a cobble and sand beach. It has experienced moderate erosion since 1912 with an average rate of -0.6 ft/yr.
Last updated: July 2021
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