Castaic Lake

Castaic Reads 69 Degrees, Wetsuits Won’t Be Allowed at OW Nats Today

The most recent water temperature measurement in Castaic Lake, according to SwimSwam’s Mike Lewis and USA Swimming, has shown 69 degrees Fahrenheit.

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UPDATE: With Warmer Air Temps, Castaic Rises to 68 on Thursday

Water temperatures on Thursday have risen to 68 degrees Fahrenheit.

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Castaic Lake chosen as new host for Open Water Nationals

The southern California lake will host the meet for the second straight year after safety concerns moved the meet from its original North Carolina host.

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