1. Damage of coral reefs. Coral breakage caused by waves approached and sediment that washed up from the sea and the ground.
2. Damage of mangroves forest the waves swash until the tree is ruins or slip into the water.
3. Changes of the beach. Partly it were eroded until they came to the shore. Some encroachment out to sea state caused by the incorporation of the sediment.
4. Change of the estuary. Which may be extended or moved from the original. Due to the erosion of the power spectrum and redirect the water flow from the outlet to the sea.
5. The ruins of the buildings along the beach. Which causes the dirty clutter. Including various debris the waves to pile up a lot.