Starting from 30 April 2019, the Maximum Authorized Draft for vessels transiting the Neopanamax locks will be 13.41 meters (44.0 feet) Tropical Fresh Water (TFW), the Panama Canal Authority announced.
The Draft was estimated based on the present and projected levels of Gatun Lake for the following weeks, the Authority said.
However, vessels arriving after 30 April 2019, with drafts over 13.41 meters (44.0 feet) TFW may be allowed to transit, depending on the actual level of Gatun Lake at the time...
https://safety4sea.com/panama-canal-further-decreases-maximum-draft-for-neopanamax-locks/