Whatever each week's lottery leaves unbooked, opened first come, first served on the Friday after that lottery's application period closes.
Yosemite's own wilderness permits page says any reservations remaining after each week's lottery become available first come, first served the Friday after the lottery application period closes, and stay bookable up to three days before the trip.
Updated , checked by hand against the target's own page.
No upcoming date is published yet. A watch here alerts you only once a date is recorded on this page.
More openings to watch in California
Watched from nps.gov, the target's own public page — not a reservation system we poll.