Is Ocean Beach (San Francisco, South-Central) safe to swim today?
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Ocean Beach (San Francisco, South-Central) is currently inconclusive for swimming. Last sample is over 30 days old — too stale to be a reliable swim-safety indicator.
When was Ocean Beach (San Francisco, South-Central) last tested?
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The most recent water-quality sample at Ocean Beach (San Francisco, South-Central) was collected on Feb 19, 2026 (169 days ago). California monitoring agencies test Bay Area beaches weekly during swim season (roughly May through October).
What is the bacteria level at Ocean Beach (San Francisco, South-Central)?
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The latest reading at Ocean Beach (San Francisco, South-Central) shows 30-day enterococcus geomean at 29 MPN/100mL (EPA geomean limit: 35); and enterococcus at 20 MPN/100mL (EPA single-sample limit: 104).
Does rain affect water quality at Ocean Beach (San Francisco, South-Central)?
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Yes. Heavy rainfall washes bacteria and pollutants from land into the water, raising contamination risk for 24–72 hours. The past 48 hours recorded 0.00 in of rain; the past 72 hours recorded 0.00 in. Our advisory threshold is ≥1.00 in over 48h (or ≥0.50 in over 72h) for enclosed or storm-drain beaches.
Where is Ocean Beach (San Francisco, South-Central) located?
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Ocean Beach (San Francisco, South-Central) is located in the San Francisco area of the San Francisco Bay region (coordinates: 37.7378°N, 122.5080°W). You can get turn-by-turn directions via Google Maps or Apple Maps directly from this page.
How is the water quality data for Ocean Beach (San Francisco, South-Central) collected?
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Bacteria samples are collected by California state and county health agencies under the AB 411 Safe-to-Swim program and reported to the state's Safe-to-Swim database (data.ca.gov). Rainfall figures come from Open-Meteo forecast and archive data. Bay Area Swim aggregates both sources and updates every morning.