Open Water Data

Muir Beach - South

Muir Beach, California, United States

Data Sources
  • E. coli
    FAIL 20mpn (single) Thu, Sep 19, 2024
  • Enterococcus
    FAIL 20mpn (single) Thu, Oct 17, 2024
  • Water Quality Status
    Passed tests Thu, Oct 17, 2024
  • Air Temperature
    11.2°C / 52.2°F (air) Tue, Jul 8, 2025 at 1:00am
  • Wind
    9.7 - 17.4km/h SW 234° Tue, Jul 8, 2025 at 1:00am
  • Overcast
    Overcast Tue, Jul 8, 2025 at 1:00am
  • Precipitation
    0mm Tue, Jul 8, 2025 at 1:00am
  • Air Visibility
    16km Tue, Jul 8, 2025 at 1:00am
  • Humidity
    100% Tue, Jul 8, 2025 at 1:00am

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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