because of the fog. In 2007, in fog, a container ship struck the Bay Bridge connecting San Francisco and Oakland. In 2013, the Overseas Reymar, a 748-foot-long tanker, was proceeding to sea from an anchorage off San Francisco after discharging its cargo of crude oil at a Martinez refinery when it hit the base of the Echo tower of the Bay Bridge in fog. References External links Fog Today: Live satellite view of San Francisco coast and bay Karl the Fog on Twitter Fog generation Fog Natural history of San Francisco