A high surf advisory is in effect for San Diego's beaches until Thursday morning, according to the National Weather Service.
The advisory kicked in Saturday at about 10 p.m. and is set to expire on Thursday at 10 a.m.
"Expect a high risk for rip currents and swells between 6-7 feet with sets of 11 feet on Wednesday and Thursday," NBC 7 meteorologist Angelica Campos said.
On Wednesday, Campos said high tide is expected to peak around 5:08 a.m. and low tide at 12:30 p.m.
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Watch for flooding, the high surf could produce minor coastal flooding in some low-lying areas.
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NBC 7's Francella Perez said the waves were going to create life-threatening surfing and swimming conditions, and that officials were urging people who were not very experienced surfers and swimmers to stay out of the water, and away from jetties and piers. She also said another swell is expected next week.
Weather
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