ARUN District Council is currently helping residents along with other agencies in Elmer.
Seven people, including three pets (a dog, a cat and a tortoise) have already been evacuated.
Police and West Sussex Fire and Rescue are carrying out a systematic search of Elmer to check there is no one else needs to be evacuated.
The Met Office has advised that much of the rain has cleared across Sussex, but that a further band of rain will be coming across later this evening with an average rainfall of 15-20mm across West Sussex, with some areas seeing up to 20mm overnight.
The worst of the rain is expected to clear the area around 7 or 8am tomorrow morning.
The Environment Agency will be watching the river Mole as they are expecting some storms across the catchment area which could affect Crawley.
At Kings Lodge Nursing home in Chichester there is one inch of water in the electric room still and pumps remained in place overnight.
The home was awaiting dehumidifiers for the kitchen and laundry and will work with their sister property Belmont Castle to get these services provided from here.
A totla of 14 residents remained in the property overnight and some residents are being brought back this morning with their own minibuses.
At Margerie Cobby House, Selsey, all residents are safe and a full complement of staff is available. Power is being provided from a generator which provided support from 2am, and phones are working.
Bognor Health Centre closed yesterday afternoon at approximately 3pm due to the Electrical Intake room flooding in the basement.
This building is managed by The Primary Care Trust (PCT) and their Estates Team are currently on site.
Access to Bognor remains problematic as all three main routes are blocked A29, A259 and Elmer Road.
The focus of efforts is on the A259 where extra drain jetters are being provided to clear the road here.
Residents evacuated to the Hamlet have been relocated to alternative temporary accommodation and expect the Hamlet rest centre to close at 10pm tonight.
The Arun leisure centre at Felpham will stay open till 10pm but will remain available overnight should it be required.
At Limmer Lane, Felpham, a quarter mile of residential properties are under five to six feet of water.
Worthing hospital has advised that flood waters are backing up again, however arrangements are in place to protect the lift shafts which should ensure that patients will not need to be redirected to other hospitals.
The hospital is working closely with Southern Water on managing the problem and continue to monitor the issue.
Road closures currently in effect:
A285 Petworth Bridge - Cottershaw Bridge
Monteswood Lane, Hayward Heath
Ifield Avenue, Crawley
B2149 Station Road, Rustington
B2140 South Terrace between Fitzalan Road and Pier Road
Checking out A272 Newbridge just west of Billingshurst, fear river over road.
Roads passable with care but causing long delays:
A259 Bognor to Chichester now open.
A27 Chichester to Emsworth now open.
B2233 Yapton Road open with minor flooding at junction of B2132 but passable.