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What Wildlife Can You See on Your Cruise?
Port by port: what is seen, in which months, and whether you see it from the ship, from shore or on a tour.
Wildlife in San Francisco
Sea lionCommonFrom shore
Sea lions at Pier 39 peak March to May and August to October; fewer in June and July. Source
Gray whaleLikelyOn a tour
Southbound December and January, northbound March and April with calves; tours to the Farallones. Source
Blue whalePossibleOn a tour
Blue whales are seen in summer and fall offshore; source gives no exact months. Source
Your Cruise, Stop by Stop
Likelihood words (common, likely, possible, rare) summarise what parks, tour operators and tourism boards publish. Each row links its source.
Months only: we never claim one day is better than another.
Last reviewed October 22, 2026