There is a waiver for everything. Your recruiter will probably try to tell you that you can't get in but if you press the issue (or threaten to go to another recruiter who will complete waiver paperwork) you should be good.
But - Coasties have the hardest Basic of all forces. Coasties BMT makes the Marines' Crucible look like a tea party.
I don't think my little niece hike around the San Clemente mountain ranges with 100 pounds of gear for three days straight with only one night of sleep and three bags of MREs every Saturday with her little stuffed bears.
