Grumman-581 wrote:

"The BWI law does not prohibit drinking alcoholic beverages aboard boats nor
having an open bottle. The law applies to operators of motorboats that are
not anchored, beached, moored, docked or being rowed or propelled by
non-mechanical means at the time of the offense."


Yet another really stupid law... I do not see the harm that it might
present to anyone else if a guy is cruising along with a trolling
motor while drinking a beer...

It doesn't prohibit that. You can drink and drive a boat, you just
can't be intoxicated.