Final answer:
If you are aground with no injuries or damage to the boat and the tide is rising, wait for the tide to lift the boat and refloat it. Do not attempt to manually push or pull the boat. Keep a lookout for potential hazards once the boat is afloat.
Step-by-step explanation:
If you are firmly aground with no injuries or damage to the boat and the tide is rising, the most appropriate action plan would be to wait for the tide to lift the boat and refloat it. This is because the rising tide will increase the water level, providing enough buoyancy to lift the boat off the ground. Once the boat is afloat again, you can safely navigate to a deeper water area.
It is important to note that attempting to manually push or pull the boat can cause damage or injuries, and it is best to let the natural rise of the tide do the work. Additionally, it is always advisable to keep a lookout for any potential hazards or obstacles in the water that may need to be avoided once the boat is refloated.