Anyone can apply now even if you did not put in for the lottery. All you have to do for cancellations is search for open dates.
Advance Reservations: Following the lottery, available launches and cancellations may be reserved in advance at Federal recreation, camping and tour reservation information - Recreation.gov
, beginning March 16th at 10:00 a.m. (ET). Full payment of per person permit fees and a $6 non-refundable transaction fee must be made at the time of transaction in order to book a permit. Please read the refund policy carefully before submitting payment. Cancellations made on or after March 16th will be made available to other boaters within 24 hours of the cancellation.