Separate boat confirmation from other bookings
Ask when the trip receives its final operational confirmation. Review cancellation terms for hotels, parking and ground transportation before creating a tightly connected schedule.
Choose a realistic backup date
A backup should work for all passengers and required documents, not only the primary organizer. Tell the operator both dates when requesting availability.
Plan an alternative South Florida day
Discuss what the group will do if the offshore trip cannot depart. Never pressure a captain to travel because other reservations are nonrefundable. Safety and conditions control the final route and timing.