Polar bear swim – The hearty and brave will go for the annual New Year’s Day polar bear swim at 11:30 a.m. on Jan. 1 at Cabrillo Beach. Learn all the chilly details at the Cabrillo Beach Polar Bears website.
Whalewatching – It’s whalewatching season. Hop aboard a cruise from 22nd Street Landing or Spirit Cruises in Ports O’ Call.
Cabrillo Beach tidepool walks – See what’s stirring in the sea on a tidepool walk, taking place Dec. 27 and 28 at 2:30 p.m. at the Cabrillo Marine Aquarium.
Tall ships – Two tall ships are visiting through early January. See the schedule of sails and dockside tours at www.historicalseaport.org.