Orcas in California in October

Yes, October is one of the best months to see orcas in California. It is the 1st busiest month of the year, with 122 of the 565 sightings logged across the year (21.6%), based on verified iNaturalist records.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Orca photographed in CaliforniaOrca photographed in CaliforniaOrca photographed in California
Photos by iNaturalist observers, used under Creative Commons.

Peak month for orcas in California

21.6%

of yearly sightings

122

records in October

#1

busiest month of 12

565

verified records a year

September 8.8%, October 21.6%, November 4.1%. Busiest month is October at 21.6%.

Best months: October, April, May

565 verified observations of orcas in California, recorded across 12 months of the year on iNaturalist.

When orcas are recorded in California

Peak month

October

122 records (21.6% of the year)

Quietest month

February

6 records

MonthObservationsShare
January234.1%
February61.1%
March488.5%
Aprilpeak8114.3%
Maypeak7012.4%
June427.4%
July81.4%
August396.9%
September508.8%
Octoberpeak12221.6%
November234.1%
December539.4%

Orcas you are most likely to see

SpeciesVerified observations
Orca565

In California, October carries 21.6% of the year's orcas sightings, about 13.3 points above an even month-to-month split. That makes it the 1st busiest of the twelve months, out of 12 months with recorded activity.

Activity is rising from September (8.8%) into October, and it heads toward November (4.1%) after. This is right inside the peak window, so October is one of the surest months to plan a trip around.

The orcas most often recorded in California are Orca. Those counts are annual totals rather than a October split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in October itself.

Which orcas you are most likely to see

  • Orca565 records
Plan your tripAlcatraz Island

Plan your orca trip in California

Start with live tours near Alcatraz Island, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

Can you see orcas in California in October?+

Yes. October accounts for 122 of the 565 verified orcas sightings logged in California across the year, which is 21.6% of the annual total.

Is October a good time to see orcas in California?+

October is one of the best months. It ranks 1st of the year and sits inside the peak window of October, April and May.

What month is best for orcas in California?+

October is the single busiest month, with the broader peak running through October, April and May, based on 565 verified observations.

Which orcas are you most likely to see in California?+

The most-recorded species in California are Orca, based on all-time iNaturalist counts.