Marlborough's harbourmaster received no reports of damage caused by waves or unusual tidal movements caused by the tsunami from the Solomon Islands earthquake on Wednesday.
Boaties and marine farmers were warned to watch out for unusual water movements caused by the tsunami.
Maritime officer Dave Baker said shallow areas of the Sounds and places such as Port Underwood could be affected, although any surge was expected to be only about 80cm.
Harbourmaster's office spokesman Clive Whitlock said yesterday no reports of damage had been received.
Marine Farming Association executive officer Graham Coates said he had not heard anything on damage.
- The Marlborough Express