Sea mist and cloud combined to put a dampener on the bank holiday weekend.
Predictions for a hot and sunny three days failed to materialise as a blanket of mist hit the coast, although it was brighter and warmer inland.
Brighton and Hove seafront officer Nick Banks said visitor numbers were low compared with a couple of weekends ago, when sunny weather led to packed beaches.
He said: "Some restaurants and pubs have been doing a bit of trade but things are slow."
At Worthing, the number of people visiting the town and seafront was well down on last year.
Beach officer Tim Smalley said: "There have been a few people out and about but nothing like the crowds we were hoping for."
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