A severe flood Warning will remain in force for two hours following the time of high tide at Preston Beach in Weymouth.
Flooding may already be affecting properties, low lying areas and roads.
There may be significant spray and shingle overtopping affecting the coast road which will be very dangerous to life, property and traffic.
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Sunny this evening, then dry overnight. There is the risk of thundery showers for Kent tomorrow morning, then sunny spells by the afternoon
Sunshine to end the day then dry tonight. Tomorrow will be mostly dry and feeling fresher with the risk of a heavy shower in the afternoon
The video, obtained by ITV News, shows scores of migrants desperately trying to board lorries in a restricted area within the tunnel.