Waveney District Council is urging residents in threatened properties to vacate as soon as possible.
Reports suggest that the tide is far higher, far earlier than expected and residents should not presume to wait until immediately before the predicted surge peak at around 11pm.
The rest centres in Lowestoft, Kessingland, Southwold and Carlton Colville are now open and receiving people.
Details can be found here.
Families left homeless in Norfolk after last week's tidal surge have described how community support has helped them through the ordeal.
The Suffolk Resilience Forum has formally called an end to the major incident that was declared in response to the tidal surge.
Thinking about returning home after the floods? Get the latest advice from Suffolk Coastal District Council.