Guernsey Police said no further information was available at the time the statement was issued, 11:10 Monday 16 April, and the identity of the woman has not yet been confirmed.
The statement said a member of the public first called the Emergency Services at 07:50 this morning.
The search was coordinated by the Guernsey Coastguard and Guernsey Police were on scene at Petit Bot at 08.09. The Spirit of Guernsey Lifeboat was launched, and the crew reached the casualty at 08.32.
The crew recovered the woman’s body and returned to St Peter Port Harbour, arriving at ramp 2 at 09.00.