Miscellaneous Marine Heatwave in the Bay of Bengal Marine heatwaves are prolonged periods of anomalously high sea surface temperature. It may result in: Meteorological implications: a warmer-than-normal Bay of Bengal likely contributes to current extreme rainfall especially over northwest India. Affecting marine biodiversity: 85% of the corals in the Gulf of Mannar near the Tamil Nadu coast got bleached after the marine heatwave in 2020. Socio economic impact: on coastal communities
