Coastal Foraging Forecast for San Diego
San Diego, Ca, Usa
Today's Foraging Conditions
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Low Tide
02:13 PM (-0.4 ft)
Go Foraging
12:13 PM - 4:13 PM
Biotoxin Alerts
Latest California Biotoxin Advisory
In effect as of: July 2025
Notice: Active Advisory in effect for Del Norte, Marin, Humboldt, and Orange counties. Also, there is a statewide annual quarantine of sport-harvested mussels. Read the below message for more details, or call the California Department of Public Health's Biotoxin Information Line at (800) 553-4133.
The California Department of Public Health (CDPH) is monitoring for Paralytic Shellfish Poisoning (PSP) toxins and Domoic Acid, which can cause Amnesic Shellfish Poisoning (ASP). These naturally occurring marine toxins can cause severe illness or death in humans after eating contaminated seafood. Important: Cooking does not destroy these toxins. To be safe, Please follow the restrictions below:
Current Health Advisories for Shellfish
Statewide Annual Quarantine of Sport-Harvested Mussels (MAY 1, 2025 - OCTOBER 31, 2025). DO NOT CONSUME any sport-harvested mussels.
Quarantined Location(s):
- All California coast including all Bays and Estuaries (CDPH press release)
Reason: Annual Quarantine of Sport-Harvested Mussels.
Orange County: DO NOT CONSUME any sport-harvested bivalve shellfish (mussels, clams, and scallops)
Quarantined Location(s):
- Orange County (CDPH press release)
Reason: Dangerous levels of Domoic Acid and paralytic shellfish poisoning (PSP) toxins have been found in shellfish in these areas.
Del Norte and Marin Counties: DO NOT CONSUME sport-harvested harvested mussels, clams, scallops or oysters
Quarantined Location(s):
- Del Norte County (CDPH press release)
- Marin County (CDPH press release)
Reason: Dangerous levels of paralytic shellfish poisoning (PSP) toxins have been detected in mussels in these areas.
Del Norte and Humboldt Counties: DO NOT CONSUME sport-harvested razor clams
Quarantined Location(s):
- Del Norte County (CDPH press release)
- Humboldt County (CDPH press release)
Reason: Dangerous levels of Domoic Acid have been detected in razor clams in these areas.
Long-standing Rock Crab Advisory- Do NOT consume rock crabs from:
Quarantined Locations:
- Mendocino-Humboldt County line to Cape Mendocino
- North Jetty of Humboldt Bay to the California-Oregon border
- Waters around Santa Rosa Island & the Northern Channel Islands
Reason: Long-standing health advisories remain in place due to a lack of data to remove them.
Author's Note:
All advisories come directly from California's biotoxin information line. Marine biotoxin levels can change rapidly, and California may update official advisories at any time, so before consuming any wild-harvested shellfish, crabs, or other marine life, you should always check the official sources below:
- Call the California Biotoxin Hotline for real-time updates: 1-800-553-4133
- Visit CDPH's Marine Biotoxin Monitoring Webpage for more information: cdph.ca.gov
- Check CDPH's Recreational Bivalve Shellfish Health Advisory Map for live monitoring data.
- For crab and lobster data, visit CDPH's Food and Drug Branch Demoic acid webpage for more information on Demoic acid.
7-Day Forecast
Thursday, December 18
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Low Tide
02:45 PM (-0.6 ft)
Go Foraging
12:45 PM - 4:45 PM
Friday, December 19
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Low Tide
03:18 PM (-0.7 ft)
Go Foraging
1:18 PM - 5:18 PM
Saturday, December 20
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Low Tide
03:52 PM (-0.7 ft)
Go Foraging
1:52 PM - 5:52 PM
Sunday, December 21
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Low Tide
04:27 PM (-0.6 ft)
Go Foraging
2:27 PM - 6:27 PM
Monday, December 22
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Low Tide
05:03 PM (-0.5 ft)
Go Foraging
3:03 PM - 7:03 PM
Tuesday, December 23
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Low Tide
05:40 PM (-0.3 ft)
Go Foraging
3:40 PM - 7:40 PM