Solent Coastguard says the man who died on the beach in West Sussex had been trying to rescue two children who had got into difficulties in the sea.
The incident happened on the West Wittering estate near Chichester at about 12.45pm yesterday. A Solent Coastguard spokesman said: "A man was pulled from the water on the
West Wittering estate after he had tried to help two children.
"Their mother was understandably upset that this man had had this accident when he tried to help them."
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Any lingering showers clearing into tonight with a mostly dry but chilly night ahead. A cool but sunny start to Sunday.
Further heavy showers gradually clearing away this evening. Dry but chilly tonight, then dry with plenty of sunshine tomorrow.
Heavy showers turning potentially thundery this afternoon. Becoming dry but chilly tonight, then dry and sunny tomorrow.