Of the four beaches open to the public, two have been rated 'good' and two 'fair' for this weekend, according to the Environmental Protection Department's latest gradings. Other beaches are closed for the winter.

Water quality at Deep Water Bay and Clear Water Bay Second Beaches is good, while Silverstrand and Golden Beaches are fair. The gradings are unchanged over last week.

As many beaches are likely to be more polluted than their grades suggest during and after periods of heavy rain, bathers are advised to avoid swimming at beaches for up to three days after a storm or heavy rain.