Marine Heatwave Advisory Services (MAHAS)

Marine Heatwave event of Moderate to Extreme category with area of spreading 70.38% has been observed on 2026-09-28 over the Arabian Sea; Marine Heatwave event of No Heat Wave category with area of spreading 19.00% has been observed on 2026-09-28 over the Bay of Bengal; Marine Heatwave event of Moderate to Extreme category with area of spreading 37.62% has been observed on 2026-09-28 over the Rest of Indian Ocean; Marine Heatwave event of Moderate category with area of spreading 35.33% has been observed on 2026-09-28 over the Persian Gulf; Marine Heatwave event of Moderate to Extreme category with area of spreading 38.30% has been observed on 2026-09-28 over the Maharashtra coast; Marine Heatwave event of Moderate to Extreme category with area of spreading 72.41% has been observed on 2026-09-28 over the Goa coast; Marine Heatwave event of Moderate to Extreme category with area of spreading 77.68% has been observed on 2026-09-28 over the Karnataka coast; Marine Heatwave event of Moderate to Extreme category with area of spreading 76.22% has been observed on 2026-09-28 over the Kerala coast; Marine Heatwave event of Moderate to Extreme category with area of spreading 99.04% has been observed on 2026-09-28 over the Lakshadweep coast; Marine Heatwave event of Moderate category with area of spreading 75.41% has been observed on 2026-09-28 over the South Tamil Nadu coast; Marine Heatwave event of Moderate category with area of spreading 48.87% has been observed on 2026-09-28 over the North Tamil Nadu coast; Marine Heatwave event of No Heat Wave category with area of spreading 19.03% has been observed on 2026-09-28 over the Andaman coast; Marine Heatwave event of No Heat Wave category with area of spreading 17.58% has been observed on 2026-09-28 over the Nicobar coast;