A27 in both directions closed due to flooding between A259 Bognor Road (Bognor Bridge Roundabout, Chichester) and Meadow Way (Tangmere Roundabout).
Highways report the road is unlikely to be open before 1pm.
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Amanda Houston has Wednesday's forecast for the west of the region.
Amanda has Wednesday's forecast for the east of the ITV Meridian region.
Amanda Houston has the lunchtime forecast for the west of the ITV Meridian Meridian region.