I have checked again with Mark the vet. He said the gashes are healing but it will take some time before they healed. He said the salt water is the best thing and that it's a good thing he's in the ocean where if he were confined there would be a better chance for infection.
I am leaving for six days. I'm hoping to see an improvement when I return. If you see him let me know how he's doing. Remember he's not back to normal yet.