A large algae bloom was spotted around the Santa Monica Pier Tuesday, extending for miles down the coastline. Sky5 was above the “red tide” at 11 a.m. The bloom was seen “all the way down ...

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Get extended tides with Surfline Premium. Access tide calendars for any time in the past or future.

Red tide is caused by a naturally occurring organism called Karenia brevis, which can discolor water and release toxins. While red tide is more common in warmer months, it can occur year-round and ...