Flood alerts are in place on the River Mole and River Thames as river levels are expected to rise with this evening's tide.
The alerts have been put in place for the Thames from Hampton and Thames Ditton to Teddington, with the river expected to reach 5.4m with the tide at 7.30pm and another high tide expected at 7.45am tomorrow.
The Environment Agency said flooding of low lying land was expected as a result of the high tide, but property flooding was not expected.
Thames Ditton Island also has a flood alert issued, with river levels expected to reach 6.2m this evening.
The Environment Agency said further rainfall is expected this evening and into tomorrow afternoon, with flooding of low-lying land and roads expected in some locations.
For more information, visit environment-agency.gov.uk/homeandleisure/floods.