An RAF search and rescue helicopter and three RNLI lifeboats are searching off the coast of Harwich after getting reports that two people had come off a ferry.
Then RNLI says it happened about a mile off the Harwich coast, as the ferry was heading outbound.
Also helping in the search are tug boats and other vessels that were in the area at the time.
It happened just before 10am this morning.
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This evening will start mainly dry but cloud will then thicken as outbreaks of rain spread east later in the night. Lows of 12 deg C
This afternoon staying dry and warm despite a strong breeze in places, especially along the coast. Highs of 24 degrees.