Yahtzee
This dice game is a great game choice, especially if you are on a boat. Use the box the game comes in to roll the dice. With no other moving pieces to worry about losing, just roll, keep score and have fun till the fish come around.
Card Games
There are many games that can be played with a simple deck of cards. Black jack, solitaire and poker are all popular card games that help pass the time between bites. Whether you're shore bound or plying the waters of the open ocean, a flat space, some good friends and a deck of cards can make for an enjoyable day in the outdoors.
Tic-Tac-Toe
This classic game is a great choice if children are along on the trip. Since children can quickly lose interest if the action is slow on the fishing side, they can stay amused playing tic-tac-toe. Carry plenty of paper and pencils or crayons so everyone can play.
Checkers
Some crafty charter captains keep a checkerboard stashed on their boat just in case the fishing action gets slow. While this game is intended for children, adults can become quite consumed by checkers and can turn a slow day on the water to one of enjoyment and competition.