A recent article in your paper cites a forecast of a 2-foot rise in sea level by year 2100.
Fortunately, NOAA runs a tide gauge in Calibogue Sound about five miles south of Hilton Head Island. Per the NOAA web site, “The mean sea level trend (for our tide gauge) is 3.23 mm/year, with a 95 percent confidence level based on monthly sea level data from 1935 to 2016, which is equivalent to a change of 1.06 feet per 100 years.”
This calculates to 10.41 inches by 2100.
Different tide gauges along coast give both higher and lower readings, partly because of differing coast geometry. Examples: Charleston, 3.24; Montauk, 3.23; Bermuda, 2.09; St. Johns, 2.06; Newport Beach, Calif., 2.22 mm.
For perspective, the Town of Hilton Head Island nourishes our beaches with about 100 inches of sand about every five years.
While sea levels will continue to rise until the next Ice Age begins, actual data does not indicate a serious problem for us, our children or our grandchildren.
Hilton Head Island
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