UPDATE 3:24

Power has been restored in West Seattle. Crews were able to isolate a faulty piece of equipment and route around the problem.

Original Post
A power outage for 4251 City Light customers in West Seattle's Admiral District began at 2:14pm.

Crews set a 6 pm initial estimate for restoration of service in West Seattle. Estimate likely to change as they learn more about the damage.

The outage is widespread extending from near Duwamish Head south as far as Findlay Street and far east as 26th SW. it's primarily west of California Ave. but areas are out further north.

You can monitor these situations via the City Light system status page here
http://www.seattle.gov/light/sysstat/ but bear in mind, the updates are not instantaneous, sometimes delayed until the systems are completely back up and running.