Marine Heatwave Advisory Services (MAHAS)

Marine Heatwave event of Moderate category with area of spreading 34.40% has been observed on 2026-04-25 over the Arabian Sea; No significant Marine Heat Wave observed over Arabian Sea; Marine Heatwave event of Moderate category with area of spreading 41.13% has been observed on 2026-04-25 over the Bay of Bengal; No significant Marine Heat Wave observed over Bay of Bengal; Marine Heatwave event of No Heat Wave category with area of spreading 23.08% has been observed on 2026-04-25 over the Rest of Indian Ocean; 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; Marine Heatwave event of Moderate category with area of spreading 69.59% has been observed on 2026-04-25 over the Gujarat coast; No significant Marine Heat Wave observed over Gujarat coast; Marine Heatwave event of Moderate category with area of spreading 39.89% has been observed on 2026-04-25 over the Maharashtra coast; No significant Marine Heat Wave observed over Maharashtra coast; Marine Heatwave event of Moderate category with area of spreading 51.72% has been observed on 2026-04-25 over the Goa coast; No significant Marine Heat Wave observed over Goa coast; Marine Heatwave event of Moderate category with area of spreading 70.54% has been observed on 2026-04-25 over the Karnataka coast; No significant Marine Heat Wave observed over Karnataka coast; Marine Heatwave event of No Heat Wave category with area of spreading 22.70% has been observed on 2026-04-25 over the Kerala coast; No significant Marine Heat Wave observed over Kerala coast; Marine Heatwave event of Moderate category with area of spreading 41.15% has been observed on 2026-04-25 over the Lakshadweep coast; No significant Marine Heat Wave observed over Lakshadweep coast; Marine Heatwave event of Moderate category with area of spreading 72.95% has been observed on 2026-04-25 over the South Tamil Nadu coast; No significant Marine Heat Wave observed over South 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 48.18% has been observed on 2026-04-25 over the Andaman coast; No significant Marine Heat Wave observed over Andaman coast; Marine Heatwave event of Moderate category with area of spreading 100.00% has been observed on 2026-04-25 over the Nicobar coast; No significant Marine Heat Wave observed over Nicobar coast;