JACKSONVILLE, Fla – Go anywhere from the beach to the river and you are seeing high water and localized flooding. Water along the coast is running 1.5 feet above normal causing beach erosion at high tides.
Along the river recording stations show the river 2 feet higher than average.
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Tides are getting an extra tug because of how the sun and moon are aligned. The gravitational pull acts in concert resulting in higher and lower tidal cycles through the weekend.
King tides will resulting in potential flooding October 7-10 and again in November 3-8.
Mean sea level is generally higher in the fall in the Southeast due to changing weather patterns and a decrease in Gulf Stream transport.
In November, a perigean spring tide will be occurring. This is when the moon is either new or full and closest to earth, higher than normal high tides and lower than normal low tides will occur.
Along the coast our 5 day nor'easter has combined with the astronomical pull enhancing the push of water up during high tide.
Increased levels of tidal flooding and coastal erosion have occurred along with lower than normal low tides.
King tide events result in what NOAA calls nuisance flooding, which includes road closures and overwhelmed storm drains. Nuisance flooding has increased 300-925 percent on the U.S. Atlantic, Pacific and Gulf Coasts since the 1960s.