West Wittering beach
Selsey Coastguard Rescue Team, Hayling Island Coastguard Rescue Team and Selsey Inshore Lifeboat were called to the scene at 9.26am.
The woman had fallen from the horse on the shoreline with an incoming tide ‘that was coming in quickly’, according to a spokesman from Selsey Costguard.
The spokesman said: “A team member was on scene with the casualty, and confirmed that they were able to move the casualty out of the water and once she was up was able to walk to the top of the beach and was transferred to an ambulance.
“We were then stood down enroute with all other assets stood down too.”