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Halloween Spooktacular 2026 at Seaworld San Diego: crowd calendar

11 Sep to 1 Nov 202624 datesSan Diego, California, United States

Halloween Spooktacular 2026 at Seaworld San Diego runs 11 Sep to 1 Nov 2026 and is forecast moderately busy, averaging 49% crowd level. The quietest date is Fri 11 Sep at 25%, the busiest Sat 17 Oct at 63%.

Quietest date of Halloween Spooktacular 2026

Friday 11 Sept

Halloween Spooktacular 2026 is forecast moderately busy at Seaworld San Diego, averaging 49% crowd level across its 24 dates. The busiest is Saturday 17 Oct at 63%.

25%crowds
Next bestFri 18 Sep 28%Sun 13 Sep 35%Fri 25 Sep 35%

Across its 24 dates the forecast averages 49% crowd level, which is about a normal day for this park. That is 13 points busier than the same weeks measured in 2025 (36%). Expect lines to average around 18 minutes park-wide on a typical date.

Every date, with the forecast

September 2026

  1. Fri1125%~8 min
  2. Sat1247%~16 min
  3. Sun1335%~11 min
  4. Fri1828%~9 min
  5. Sat1948%~17 min
  6. Sun2046%~16 min
  7. Fri2535%~11 min
  8. Sat2652%~19 min
  9. Sun2750%~18 min

October 2026

  1. Fri243%~14 min
  2. Sat355%~20 min
  3. Sun452%~18 min
  4. Fri955%~20 min
  5. Sat1060%~23 min
  6. Sun1160%~23 min
  7. Fri1655%~20 min
  8. Sat1763%~26 min
  9. Sun1860%~23 min
  10. Fri2346%~15 min
  11. Sat2460%~23 min
  12. Sun2554%~19 min
  13. Fri3038%~12 min
  14. Sat3155%~20 min

November 2026

  1. Sun158%~22 min

The 28 days inside the run that Halloween Spooktacular does not operate on are forecast 31% on average, quieter than the event dates.

Quietest 0-15%Quieter 15-35%Typical 35-65%Busier 65-88%Busiest 88-100%

How the same weeks ran in 2025

Between 11 Sep and 1 Nov 2025 the park measured 36% on average over 8 recorded days. The busiest was Thursday 30 Oct at 63%, the quietest Sunday 14 Sept at 23%. These are the same calendar weeks, not necessarily 2025's event dates.

Busiest days, measured

  1. 1Thursday 30 OctLines averaged 25 min63%
  2. 2Sunday 21 SeptLines averaged 23 min60%
  3. 3Saturday 20 SeptLines averaged 15 min44%
  4. 4Friday 12 SeptLines averaged 8 min25%
  5. 5Thursday 18 SeptLines averaged 8 min25%

Quietest days, measured

  1. 1Sunday 14 SeptLines averaged 7 min23%
  2. 2Tuesday 23 SeptLines averaged 8 min25%
  3. 3Friday 19 SeptLines averaged 8 min25%
  4. 4Thursday 18 SeptLines averaged 8 min25%
  5. 5Friday 12 SeptLines averaged 8 min25%

Dates as published by Seaworld San Diego; always check the park's own site before travelling. Crowd levels are modelled from this park's own recorded queue times, school and public holidays, day of the week and the weather forecast, and may not always be right. We score every past forecast against what the queues actually did and publish the result in the crowd forecast accuracy ledger.

Mickey's Not-So-Scary Halloween Party · Magic KingdomOogie Boogie Bash - A Disney Halloween Party · Disney California AdventureHalloween Time · Disney California AdventureHalloween Time at Disneyland Resort · Disneyland ParkHalloween Horror Nights · Universal Studios Florida ParkHalloween Spooktacular · Seaworld OrlandoHalloween Horror Nights Hollywood · Universal Studios HollywoodBrick-or-Treat · Legoland OrlandoEvery seasonal event we forecast

Frequently asked

When is Halloween Spooktacular 2026 at Seaworld San Diego?

Halloween Spooktacular 2026 runs 11 Sep to 1 Nov 2026, on Fridays to Sundays: 24 dates in total. Dates are as published by Seaworld San Diego.

What is the quietest date of Halloween Spooktacular 2026?

Friday 11 Sept is forecast the quietest at 25% crowd level. The next best are Fri 18 Sep (28%), Sun 13 Sep (35%), Fri 25 Sep (35%).

What is the busiest date of Halloween Spooktacular 2026?

Saturday 17 Oct is forecast the busiest at 63%. The 9 dates that fall in the Summer (11 Sep to 30 Oct) average 47%.

How busy is Halloween Spooktacular compared with a normal day at Seaworld San Diego?

The event dates average 49% crowd level, about a normal day for this park. The same weeks in 2025 measured 36% on average. The 28 days inside the run that Halloween Spooktacular does not operate on are forecast 31% on average, quieter than the event dates.