Pacific Ocean: toxic algae advisories

Pacific Ocean, Orange County. See all Orange County waters.

What the state's records say

General awareness, last posted Apr 7, 2025. No all-clear recorded.

Reporting is voluntary, so the state may not have recorded an end even if conditions changed. Check posted signs and the official map.

What this level asks: The state recorded an advisory of a type outside the Caution, Warning and Danger levels. Read the sign posted at the water.

Before you go, check the state's official algae page and any signs posted at the water.

Dogs at Pacific Ocean

The state has an advisory on file for Pacific Ocean (General awareness), last posted Apr 7, 2025, and no all-clear recorded. Keep your dog out of the water and away from scum on the shore until the state records an end.

More on dogs and toxic algae.

Reported spots

The state records each report at a spot, such as a beach or a boat ramp. Each spot's latest deciding record:

Each reported spot at Pacific Ocean and its latest status
SpotStatus
Dana Point Caves General awareness, last posted Apr 7, 2025. No all-clear recorded.
bolsa chica state beach Reports on file, with no advisory level the state has classified.
Dana Point Harbor The state recorded an end date of Dec 30, 2022.

Advisory history

Every advisory record the state has published for Pacific Ocean, newest first. "None" is the state's record that no advisory was recommended on that date. "NA" records do not change a status.

Advisory records for Pacific Ocean, newest first
DateSpotState's levelNotes
Apr 7, 2025 Dana Point Caves General awareness Marine bloom present (red tide)
Apr 1, 2025 Dana Point Caves General awareness Marine bloom present (red tide)
Nov 22, 2024 bolsa chica state beach NA - refer to Report Details Marine bloom suspected (red tide); Suspected illness reported; Under investigation
Dec 2, 2022 Dana Point Harbor Caution End date recorded: Dec 30, 2022. Marine bloom present (red tide)
Dec 2, 2022 Dana Point Harbor Caution Marine bloom present (red tide)

Source

Advisory data: California State Water Resources Control Board, Freshwater Harmful Algal Bloom Program, via data.ca.gov (public domain). Advisories are recommendations; reporting is voluntary and incomplete. The state's data. An advisory ends only when the state records a later "None" (no advisory recommended) at the same spot, or an end date. A blank end date is unknown.