Open Water Data

Muir Beach - North

Muir Beach, California, United States

Data Sources
  • E. coli
    FAIL 10mpn (single) Thu, Aug 15, 2024 at 4:04pm
  • Enterococcus
    FAIL 31mpn (single) Thu, Oct 17, 2024
  • Water Quality Status
    Passed tests Thu, Oct 17, 2024
  • Air Temperature
    9.4°C / 48.9°F (air) Fri, Jun 13, 2025 at 4:00am
  • Wind
    10.4 - 19.8km/h W 268° Fri, Jun 13, 2025 at 4:00am
  • Mist
    Mist Fri, Jun 13, 2025 at 4:00am
  • Precipitation
    0mm Fri, Jun 13, 2025 at 4:00am
  • Air Visibility
    16km Fri, Jun 13, 2025 at 4:00am
  • Humidity
    100% Fri, Jun 13, 2025 at 4:00am

Part of the Golden Gate National Recreation Area, Muir Beach is a spectacular beach. It offers postcard perfect views of the ocean and is a perfect escape from the city. There are no lifeguards on duty. There are three sampling locations here: North, Central, and South.

The description above was copied from or heavily based on Swim Guide, with permission.

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