Open Water Data

Crown Memorial State Beach - Crab Cove

Alameda, California, United States

Data Sources
  • Enterococcus
    FAIL 160cfu (single) Mon, Nov 18, 2024
  • Water Quality Status
    Mixed past results Thu, Aug 7, 2025 at 9:20pm
  • Air Temperature
    11.7°C / 53.1°F (air) Sat, Apr 4, 2026 at 1:30am
  • Wind
    5 - 10.6km/h SE 136° Sat, Apr 4, 2026 at 1:30am
  • Clear
    Clear Sat, Apr 4, 2026 at 1:30am
  • Precipitation
    0mm Sat, Apr 4, 2026 at 1:30am
  • Air Visibility
    16km Sat, Apr 4, 2026 at 1:30am
  • Humidity
    74% Sat, Apr 4, 2026 at 1:30am

Crown Memorial State Beach features 2.5 miles of sandy coastline, bordered by lawns and picnic grounds, with a bicycle trail. Swimming is permitted year round, although there are no lifeguards on duty. A bathhouse with change rooms is available a short walk east. Crab Cove is a protected marine reserve. The visitors center is located on McKay Avenue and contains exhibits and aquaria. The visitor center sits in what was the Merchant Marine Commanders base infirmary.

Crown beach is tested for bacterial levels weekly from April to October and twice a month from November to March.

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

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