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Palk Bay is a semi-enclosed shallow water body between the southeast coast of India and Sri Lanka, with a water depth maximum of 13 m. Palk Bay is located between 8° 50′ and 10° North latitudes and 78° 50′ and 80° 30′ East longitudes. The width of Palk Bay ranges from 57 to 107 km and the length is around 150 km. Palk Bay is considered to be one amongst the major sinks for sediments along with Gulf of Mannar. Sediments discharged by rivers and transported by the surf currents as littoral drift settle in this sink. Few scientists have tried to understand the wave characteristics within the Palk Bay. In the southern regions close to Dhanushkodi, wind seas dominate. The north-eastern region of Palk Bay is exposed to the Bay of Bengal through the shallow Palk Strait and hence the swells can enter the Palk Bay through this opening. To the south of Palk Bay, Adam's Bridge separates Palk Bay from the Gulf of Mannar. Despite being a very shallow channel, Wave effects are transmitted to a small extent through the Adam's Bridge passage. It is interesting to notice that, despite the visible block along the Adam's Bridge, the passage of Wind wave and Ocean current (to a very small extent) from Gulf of Mannar to the bay is evident. Meanwhile, even with wide and broader opening along the north-eastern borders of the bay, facing the Bay of Bengal, the Wind wave and Ocean current fluxes are less significant here. From Wikipedia