The learner.org website records whale sightings, including sightings of our local gray whales. Several areas of this website could be a good resource for teachers and others who follow our local marine mammals. The site has a useful focus on the seasonal transitions of migrating whales.
Whale Sightings Site:
http://www.learner.org/jnorth/
Gray Whales:
http://www.learner.org/jnorth/gwhale/index.html
Details on Half Moon Bay and Fitzgerald:
http://www.learner.org/jnorth/maps/record_op_whale.html?record_id=1171427065
As an educational aid for teachers their resource sections are usually pretty extensive.