Reflective + sand flats

Reflective + sand flats beaches have a small steep (3-10°), very low-energy high-tide beach composed of coarse sand, fronted by flat featureless sand flats up to several hundred meters wide and composed of finer sand.

Reflective + sand flats beaches have a small steep (3-10°), very low-energy high-tide beach composed of coarse sand, fronted by flat featureless sand flats up to several hundred meters wide and composed of finer sand.

There are no waves at a reflective + sand flat beach unless strong onshore winds are blowing. At high tide there is deep water off the beach. At low tide the tidal currents may parallel the low tide shoreline and its a long distance from dry beach to the low tide level.

Typical beach + sand ridges beaches: Shelly Bay, Omana Beach, Long Bay, Oamaru, Tapu Bay 

Reflective + sand flats beaches have a small steep high-tide beach composed of coarse sand, fronted by flat featureless sand flats up to several hundred meters wide composed of finer sand.
NIWA
Reflective + sand flats – Kawakawa Bay, Hauraki Gulf. [NIWA]