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Howl-O-Scream 2026 at Seaworld San Diego: crowd calendar

11 Sep to 31 Oct 202651 nightsSan Diego, California, United States

Howl-O-Scream 2026 at Seaworld San Diego runs 11 Sep to 31 Oct 2026 and is forecast moderately busy, averaging 39% crowd level. The quietest night is Wed 16 Sep at 18%, the busiest Sat 17 Oct at 63%.

Quietest night of Howl-O-Scream 2026

Wednesday 16 Sept

Howl-O-Scream 2026 is forecast moderately busy at Seaworld San Diego, averaging 39% crowd level across its 51 nights. The busiest is Saturday 17 Oct at 63%.

18%crowds
Next bestTue 15 Sep 20%Tue 29 Sep 20%Wed 30 Sep 20%

Across its 51 nights the forecast averages 39% crowd level, which is about a normal day for this park. That is about the same as the same weeks in 2025, which measured 36%. Expect lines to average around 13 minutes park-wide on a typical night.

Howl-O-Scream is an evening event with its own ticket; a standard day ticket does not include it.

Every night, with the forecast

September 2026

  1. Fri1125%~8 min
  2. Sat1247%~16 min
  3. Sun1335%~11 min
  4. Mon1428%~9 min
  5. Tue1520%~7 min
  6. Wed1618%~6 min
  7. Thu1722%~7 min
  8. Fri1828%~9 min
  9. Sat1948%~17 min
  10. Sun2046%~16 min
  11. Mon2125%~8 min
  12. Tue2222%~7 min
  13. Wed2321%~7 min
  14. Thu2425%~8 min
  15. Fri2535%~11 min
  16. Sat2652%~19 min
  17. Sun2750%~18 min
  18. Mon2829%~9 min
  19. Tue2920%~7 min
  20. Wed3020%~7 min

October 2026

  1. Thu122%~7 min
  2. Fri243%~14 min
  3. Sat355%~20 min
  4. Sun452%~18 min
  5. Mon542%~14 min
  6. Tue638%~12 min
  7. Wed735%~11 min
  8. Thu847%~16 min
  9. Fri955%~20 min
  10. Sat1060%~23 min
  11. Sun1160%~23 min
  12. Mon1255%~20 min
  13. Tue1347%~16 min
  14. Wed1446%~16 min
  15. Thu1546%~16 min
  16. Fri1655%~20 min
  17. Sat1763%~26 min
  18. Sun1860%~23 min
  19. Mon1946%~15 min
  20. Tue2027%~8 min
  21. Wed2125%~8 min
  22. Thu2228%~9 min
  23. Fri2346%~15 min
  24. Sat2460%~23 min
  25. Sun2554%~19 min
  26. Mon2635%~11 min
  27. Tue2722%~7 min
  28. Wed2821%~7 min
  29. Thu2925%~8 min
  30. Fri3038%~12 min
  31. Sat3155%~20 min
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 31 Oct 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.

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Frequently asked

When is Howl-O-Scream 2026 at Seaworld San Diego?

Howl-O-Scream 2026 runs 11 Sep to 31 Oct 2026, on selected dates, which the park has not listed: 51 nights in total. Dates are as published by Seaworld San Diego.

What is the quietest night of Howl-O-Scream 2026?

Wednesday 16 Sept is forecast the quietest at 18% crowd level. The next best are Tue 15 Sep (20%), Tue 29 Sep (20%), Wed 30 Sep (20%).

What is the busiest night of Howl-O-Scream 2026?

Saturday 17 Oct is forecast the busiest at 63%. The 20 nights that fall in the Summer (11 Sep to 30 Oct) average 40%.

How busy is Howl-O-Scream compared with a normal day at Seaworld San Diego?

The event nights average 39% crowd level, about a normal day for this park. The same weeks in 2025 measured 36% on average.

Do I need a separate ticket for Howl-O-Scream?

Yes. Howl-O-Scream is ticketed separately from day admission. Check Seaworld San Diego's own site for prices and on-sale dates.