Marine Heatwave Advisory Services (MAHAS)

Marine Heatwave event of Moderate to Extreme category with area of spreading 66.94% has been observed on 2026-09-22 over the Arabian Sea; Marine Heatwave event of Moderate category with area of spreading 41.95% has been observed on 2026-09-22 over the Bay of Bengal; Marine Heatwave event of Moderate to Extreme category with area of spreading 30.06% has been observed on 2026-09-22 over the Rest of Indian Ocean; Marine Heatwave event of No Heat Wave category with area of spreading 17.56% has been observed on 2026-09-22 over the Persian Gulf; Marine Heatwave event of Moderate category with area of spreading 38.83% has been observed on 2026-09-22 over the Maharashtra coast; Marine Heatwave event of Moderate category with area of spreading 82.76% has been observed on 2026-09-22 over the Goa coast; Marine Heatwave event of Moderate category with area of spreading 90.18% has been observed on 2026-09-22 over the Karnataka coast; Marine Heatwave event of Moderate category with area of spreading 86.49% has been observed on 2026-09-22 over the Kerala coast; Marine Heatwave event of Moderate to Extreme category with area of spreading 100.00% has been observed on 2026-09-22 over the Lakshadweep coast; Marine Heatwave event of Moderate to Extreme category with area of spreading 90.16% has been observed on 2026-09-22 over the South Tamil Nadu coast; Marine Heatwave event of Moderate category with area of spreading 84.96% has been observed on 2026-09-22 over the North Tamil Nadu coast; Marine Heatwave event of Moderate category with area of spreading 44.06% has been observed on 2026-09-22 over the South Andhra Prasedh coast; Marine Heatwave event of Moderate category with area of spreading 73.02% has been observed on 2026-09-22 over the North Andhra Pradesh coast; Marine Heatwave event of Moderate category with area of spreading 47.42% has been observed on 2026-09-22 over the Odisha coast; Marine Heatwave event of Moderate category with area of spreading 41.95% has been observed on 2026-09-22 over the West Bengal coast; Marine Heatwave event of Moderate to Extreme category with area of spreading 49.80% has been observed on 2026-09-22 over the Andaman coast;