Unmorph just before hitting the ceiling, to conserve upward momentum. Continue moving right to avoid a crab hit, then morph again to make it through.

Entrance condition:

{
  "comeInWithSpringBallBounce": {
    "speedBooster": "any",
    "movementType": "controlled",
    "remoteAndLandingMinTiles": [
      [
        4.5625,
        1
      ]
    ]
  }
}

Requires:

{
  "notable": "Cross Room Jump Morph"
}
"canCrossRoomJumpIntoWater"
"canMomentumConservingMorph"