Although last night's tidal surge was described as the worst for at least 60 years, it was only the first of a series of three due to hit the region.

Police, who helped evacuate thousands of people, warned: 'With at least three high tides expected they should not attempt to return home until advised that it is safe to do so.'

They told people to stay calm and not panic, and avoid walking and driving through floodwater, as there could be hidden hazards.

Spring tides, which are when the gravity of the sun and moon combine to create higher than usual tides, were combined with strong winds to cause last night's tidal surge.

Although there are warnings of two more dangerously-high tides, Weatherquest, based at the University of East Anglia, forecast weaker winds today and over the weekend.

The Met Office said its yellow warning of wind would remain in place until noon today, adding: 'Strong winds across coastal areas will gradually moderate, but will still influence the impacts from coastal flooding.'

This morning's high tide hit King's Lynn at 8.08am, Cromer at 8.30am, and is predicted to hit Great Yarmouth at 10.44am.

Tonight's predicted high tides are: 8.44pm at King's Lynn, 8.36pm at Cromer, 8.52pm at Wells and 10.31pm in Great Yarmouth.

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