Clacton's Royal National Lifeboat Institution has tweeted:
Both harwich lifeboats have launched to a passenger ferry which has collided with its moorings in the harbour #RNLIshout
More top news
He said people have handed over thousands of pounds in good faith, only to find the advert has nothing to do with Mr Lewis or his company.
The memorial service will be attended by Prince Harry and Meghan Markle.
David Browning admits manslaughter by diminished responsibility but denies murder.