Thousands are expected in the Cornish town of Fowey later as the Red Arrows, perform at the regatta.
Bad weather meant the Arrows had to cancel their planned appearance at fireworks championships in Plymouth last night - but all being well they will be soaring across West Country skies today.
Fowey's week-long event is one of the most popular in the sailing calendar. Local Troy yachts will be racing - only 28 of which have ever been built.
The Red Arrows have cancelled their display at tonight's fireworks in Plymouth due to the bad weather.
Despite the rain clearing, they say the sea mist and low cloud has made it unsafe for them to fly.
The fireworks themselves, the second night of this year's spectacular British Fireworks Championships, are still going ahead as planned.
The Red Arrows could be seen flying over Exeter today as they set off from the airport.
The RAF aerial display team are headed for Falmouth where they're due to perform over the town's harbour at 6.15pm as one of the highlights of Falmouth Week.
The famous stunt-planes have become a British institution since the formation-flying jets took flight in the mid-sixties.
The RAF Red Arrows have been performing at the Minehead Festival in Somerset this afternoon. The town is packed with people watching air displays over the seafront.
The Red Arrows were warming up today over RAF St Mawgan, as they prepare to take to the skies for this year's Pendennis Cup off Falmouth.
The display takes place at 3:30pm on Saturday.
The Red Arrows will be returning to Torbay this summer for their annual air show. Torbay Council says this year's event will include celebrations for the 70th anniversary of D-Day. It'll take place along the English Riviera coastline on the twenty fourth of August.
The red arrows will be kicking off Weymouth Carnival in Dorset on Wednesday.
The stunt planes will perform a fly over at 2pm before the procession gets going.
High winds failed to deter the Red Arrows from a stunning display at the Dawlish Air Show. This year's event was brought forward from August, and marked the climax of the town's Diamond Jubilee celebrations. Pictures: Dawlish Air Show