VIDEO: 100 scary seconds: What it's like to wipe out on a 50 foot wave at Mavericks in Half Moon Bay
The National Weather Service says dangerous waves are expected to reach 25-40 feet high through the day. Breakers may occasionally exceed 50 feet at some spots along the coast, according to officials.
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In Pacifica, people gathered on the Pacifica Pier to get a closer look.
VIDEO: Surfers catch big waves at Mavericks in Half Moon Bay
"I came out. I love to see the waves. It's neat," said Michael Lucero.
Dozens and dozens of people still walked along Beach Boulevard in Pacifica even though it was closed to traffic.
RELATED: A 1st at Mavericks in Half Moon Bay: Women will compete in legendary surf contest
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A wave broke a window at the Moonraker Restaurant at Rockaway Beach.
Some people tried to get a view of the waves without getting wet.
"It's great. It's fantastic. It's like I'm a little kid again. This is really good," said Daly City resident Ashish Singh.
RELATED: Mavericks surf contest postponed until further notice
Beach Boulevard will need a big cleanup of all the sand and rocks after the waves go down because the debris causes drainage issues.
See more photos, stories and videos on the weather.
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