Severe cyclonic storm "Yaas" over northwest bay and adjoining area moved northwestwards further and now lies over the same area.
It was centred at 12 noon on Tuesday about 565 kms southwest of Chattogram port, 525 kms southwest of Cox's Bazar port, 455 kms south , southwest of Mongla port and 445 kms south - southwest of Payra port, said a special bulletin of Met office.
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It is likely to move northwestwadrs further and may cross West Bengal coast by Wednesday noon (26 may 2021).
Maximum sustained wind speed within 64 kms of the severe cyclone centre is about 89 kph Ristng to 117 kph in gusts or squalls.
Sea will remain high near the severe cyclone centre.
Maritime ports of Chattogram, Cox's Bazar, Mongla and Payra have been advised to keep hoisted distant warning signal number two (r) two.
The coastal district of Khulna, Satkhira, Bagerhat, Jhalakati, Pirojpur, Barguna, Patuakhali, Barishal, Bhola, Noakhali, Laxmipur, Feni, Chandpur and Chattogram and their offshore islands and chars are likely to experience wind speed up to 80-100 kph in gusts or squalls with heavy to very heavy falls during the passage of the storm.
Read: Cyclone Yaas: Satkhria authorities gear up to handle situation
Under the influence of the full moon phase, the low-lying areas of the districts of Khulna, Satkhira, Bagerhat, Jhalakati, Pirojpur, Barguna, Patuakhali, Barishal, Bhola, Noakhali, Laxmipur, Feni, Chandpur and Chattogram are likely to be inundated by 02-04 feet height above normal astronomical tide.
All fishing boats and trawlers over north bay and deep sea have been advised to take shelter and remain in shelter till further notice.