San Francisco Bay

American  

noun

1. a bay in western California: the harbor of San Francisco; connected with the Pacific Ocean by the Golden Gate strait. 50 miles (80 kilometers) long; 3–12 miles (5–19 kilometers) wide.

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San Francisco Bay British  

noun

1. an inlet of the Pacific in W California, linked with the open sea by the Golden Gate strait. Length: about 80 km (50 miles). Greatest width: 19 km (12 miles)

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San Francisco Bay Cultural  

1. Located in northern California; entered from the Pacific Ocean through a strait called the Golden Gate.

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Example Sentences

In recent years, a number of gray whales have been spotted feeding in unfamiliar areas, including the heavily trafficked waters of San Francisco Bay.

From Science Daily • Apr. 13, 2026

Erika Martinez, an Uber and Lyft driver in the San Francisco Bay Area, used to fill up her 2022 Toyota RAV4 every morning for about $50, before spending the day shuttling customers across the region.

From The Wall Street Journal • Apr. 12, 2026

It offers a limited mix of unsupervised and supervised rideshare services in Austin, Texas, and rides in California’s San Francisco Bay Area supervised by a safety monitor.

From MarketWatch • Apr. 10, 2026

Visitors to Alcatraz Island this spring and summer can extend their journey by adding a tour to another island in San Francisco Bay.

From Los Angeles Times • Apr. 3, 2026

That morning at Hunter’s Point Naval Shipyard on San Francisco Bay, sailors on the USS Indianapolis watched a crane lower a fifteen-foot wooden crate to the ship’s deck.

From "Bomb" by Steve Sheinkin