Pre-packing food in meal amounts saves time and wasted packaging. Extra food should be considered for emergencies, excessive amounts will have to be left behind. Don't forget to bring some treats. Signaling devices could be used if you need help both in or out of the water. VHF radios should be carried in a water proof case.
Radios can be useful in emergencies.
Communications are limited to the lower bay for the NPS Back Country Station. A patrol ranger camp is set up in Blue Mouse Cove. Communications may be limited to line of sight vessel traffic. A nautical chart is essential for paddling in Glacier Bay or the surrounding area. You should plan and paddle your trip with a tide table and chart .