Port Blair, July 23: High waves in the range of 2.9 -3.3 meters have been forecasted till 23:30 hours of 24-07-2024. People have been advised that to be careful while doing marine operations and near shore recreation. For further enquiries/information, one may contact helpline of State Emergency Operation Centre at Helpline No. 1070 & District Emergency Operation Centre at Helpline No. 1077. For any emergency/assistance at sea, call Coast Guard SAR Agency at Toll Free Number 1554.