Cookshot,
My wife and I went to Waikiki for our honeymoon. We went on a cheap cruise around the area and saw a number of whales pass near the boat. I am not sure what the retention laws are on whale in Hawaii, but with all of that meat any game citation would be worthwhile.
If you Google "Surf Fishing Maui beaches" it looks like there is a lot of information, including posts by people with your same question, and with a number of good responses.
Have fun,
EJ