Marine Heatwave Advisory Services (MAHAS)

No significant Marine Heat Wave observed over Arabian Sea; Marine Heatwave event of No Heat Wave category with area of spreading 20.48% has been observed on 17-JUL-2025 over the Bay of Bengal; No significant Marine Heat Wave observed over Bay of Bengal; No significant Marine Heat Wave observed over Rest of Indian Ocean; No significant Marine Heat Wave observed over South Chaina Sea; No significant Marine Heat Wave observed over Red Sea; No significant Marine Heat Wave observed over Persian Gulf; No significant Marine Heat Wave observed over Gujarat coast; No significant Marine Heat Wave observed over Maharastra coast; No significant Marine Heat Wave observed over Goa coast; No significant Marine Heat Wave observed over Karnataka coast; Marine Heatwave event of Moderate category with area of spreading 45.95% has been observed on 17-JUL-2025 over the Kerala coast; No significant Marine Heat Wave observed over Kerala coast; Marine Heatwave event of No Heat Wave category with area of spreading 23.92% has been observed on 17-JUL-2025 over the Lakshaweep coast; No significant Marine Heat Wave observed over Lakshaweep coast; Marine Heatwave event of Moderate category with area of spreading 51.64% has been observed on 17-JUL-2025 over the South Tamil Nadu coast; No significant Marine Heat Wave observed over South Tamil Nadu coast; Marine Heatwave event of Moderate category with area of spreading 51.13% has been observed on 17-JUL-2025 over the North Tamil Nadu coast; No significant Marine Heat Wave observed over North Tamil Nadu coast; No significant Marine Heat Wave observed over South Andhra Prasedh coast; No significant Marine Heat Wave observed over North Andhra Pradesh coast; No significant Marine Heat Wave observed over Odisha coast; No significant Marine Heat Wave observed over West Bengal coast; Marine Heatwave event of Moderate category with area of spreading 33.60% has been observed on 17-JUL-2025 over the Andaman coast; No significant Marine Heat Wave observed over Andaman coast; No significant Marine Heat Wave observed over Nicober coast;