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

It also gobbled up nearly two-thirds of U.S. venture capital last year, with San Francisco Bay Area startups such as OpenAI leading the way, according to the business information platform Crunchbase.

From Los Angeles Times • Jun. 6, 2026

To stop the growing number of ships colliding with whales, scientists are deploying a network of AI-powered cameras in the San Francisco Bay.

From The Wall Street Journal • May 23, 2026

Last year, 21 gray whales were found dead around San Francisco Bay and 40% of those were from ship collisions.

From Los Angeles Times • May 21, 2026

That was the second-largest percentage increase among the U.S. cities it studied, behind the San Francisco Bay Area.

From The Wall Street Journal • May 15, 2026

He’d taken the picture in the crisp morning light, looking down from a steep hill as the street shot down at a nearly ninety-degree angle, stopping at the sparkling waters of the San Francisco Bay.

From "Shooting Kabul" by N. H. Senzai