inside passage

I will be taking a cruise to Alaska next week. Cruising the Inside Passage, whale watching, sightseeing, etc. Will be taking my Canon T3 camera. But, I'm not sure which of my lenses would be the best to pack. I can take 2 and have the following: EF 75-300 1:4-5.6 III EF 80-200 1:4.5-5.6...