Final answer:
In certain situations, you may be unable to enter a channel or inlet when returning from the sea or open water. One example is when heavy rains cause a river to swell and become turbulent with foam. In this case, it is necessary to wait until the river subsides before attempting to enter the channel or inlet.
Step-by-step explanation:
In certain situations, you may be unable to enter a channel or inlet when returning from the sea or open water.
One example is when heavy rains up-country cause a river to swell and become turbulent with foam.
In this case, it is necessary to wait until the river subsides before attempting to enter the channel or inlet.