Recent signs of bioluminescence in San Diego, California.
Current status
No recent sightings
No likely sightings have been reported in the last 3 days.
Likely means confidence above 70%; lower positive readings are potential.
Sightings by day
2026
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Monday, October 12 Potential11%
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Wednesday, October 7 Confirmed86%
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Tuesday, October 6 Potential65%
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Saturday, October 3 Confirmed94%
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Tuesday, September 29 Confirmed81%
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Sunday, September 27 Potential60%
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Saturday, September 26 Confirmed96%
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Friday, July 17 Confirmed100%
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Thursday, July 16 Confirmed99%
2025
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Wednesday, October 29 Potential1%
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Thursday, October 2 Confirmed93%
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Thursday, August 21 Potential3%
2024
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Thursday, November 28 Confirmed71%
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Monday, November 25 Confirmed100%
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Saturday, November 9 Confirmed81%
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Thursday, November 7 Confirmed100%
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Tuesday, November 5 Confirmed99%
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Wednesday, October 30 Confirmed100%
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Thursday, October 24 Confirmed95%
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Saturday, October 19 Confirmed97%
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Thursday, October 17 Potential50%
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Tuesday, October 15 Confirmed100%
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Friday, May 31 Confirmed100%
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Saturday, May 18 Confirmed99%
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Friday, May 17 Confirmed89%
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Tuesday, May 14 Confirmed95%
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Friday, May 3 Confirmed99%
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Wednesday, May 1 Confirmed86%
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Tuesday, February 27 Confirmed97%
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Monday, February 26 Confirmed100%
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Monday, February 12 Confirmed95%
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Sunday, February 11 Confirmed100%
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Friday, February 2 Confirmed99%
2023
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Saturday, December 23 Confirmed99%
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Tuesday, November 14 Confirmed100%
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Tuesday, September 12 Confirmed100%
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Sunday, September 10 Confirmed95%
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Tuesday, September 5 Potential30%
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Monday, September 4 Confirmed99%
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Tuesday, April 25 Confirmed90%
2022
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Friday, November 18 Confirmed100%
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Friday, October 7 Confirmed96%
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Tuesday, September 27 Confirmed96%
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Wednesday, March 2 Confirmed99%
2021
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Monday, November 22 Potential2%