INCOIS flags rising marine heatwaves in Arabian Sea, warns of ecological impact - The HinduPublished - April 23, 2026 09:30 pm IST - HYDERABADThe Indian National Centre for Ocean Information Services (INCOIS) has reported that the Arabian Sea is experiencing significant thermal stress, raising concerns over coral reef health and deep‑sea fisheries, on Thursday.According to an official release, approximately 22% of the region is under a “Watch” category, 9% under “Alert”, and 5% under “Warning”, with sea surface temperatures exceeding the 90th percentile of climatological norms. INCOIS Director T.M. Balakrishnan Nair said these adding that rising temperatures are a cause for concern for marine ecosystems.Published - April 23, 2026 09:30 pm ISTSign in to unlock member-only benefits!Access 10 free stories every monthSave stories to read laterAccess to comment on every storySign-up/manage your newsletter subscriptions with a single clickGet notified by email for early access to discounts & offers on our products${ ind + 1 } ${ device }Last active - ${ la }