About Observation Post #9 Half Moon Bay, California, United States Captain Bob and Sherry of the ‘Queen of Hearts’, a 50-foot sport fishing vessel, reports during their Gray whale watching trips January, February, March and April, when the whale watching season is at its peak along the San Mateo coastline. Can you see the two whales? One is blowing. Photo: Tom Kotzebu Half Moon Bay, California (37.50N, -120.40W)         This Season Teachers Kids Orientation Registration Search Copyright 1997-2008 Journey North. All Rights Reserved. Questions or comments? Contact us.