The May 22 National Maritime Day event at the Alameda Naval Air Museum in Alameda starting at 11:00 AM. Maritime Day is celebrated in many ports around the country.
It will be preceded at 10:00 AM by an open house on the Maritime Administration MS Cape Orlando at nearby Pier 3.
The event flyer is below in PDF, along with a map showing the museum location.
Here is some information on the origin of National Maritime Day