Escape the water with either HiJump or SpaceJump, then carefully jump and morph into the tunnel.

Requires:

"canSuitlessMaridia"
"Morph"
{
  "or": [
    {
      "and": [
        "HiJump",
        "canPreciseWalljump",
        "canWallJumpInstantMorph"
      ]
    },
    {
      "and": [
        "HiJump",
        "canSpaceJumpWaterEscape"
      ]
    },
    {
      "and": [
        "canPreciseWalljump",
        "canSpaceJumpWaterBounce"
      ]
    }
  ]
}