Potential flooding and cliff erosion - caused by climate change, according to the Environment Agency - are ‘threatening' the area's residents. The situation has prompted local organisations to consider the longevity of existing defences.
The sea level is likely to rise by 1m over the next 100 years, according to a joint statement.
Residents in the south coastal city are being consulted on a number of options via a questionnaire, ‘planning for the future'.
The consultation process will run until mid-February 2007, and will also feature roadshows and workshops.