Six Flags Great Adventure
crowd calendar.
Tell us when you're visiting and we'll show you the quietest day in your window. The app turns it into an hour-by-hour plan for every day. Built from real wait-time data, updated nightly.
Quietest months we've measured, 2024-2026: July and June, especially Wednesdays. Busiest: October and August.
Updated August 28, 2026. Forecast days refresh nightly.
You picked your day. Now plan it.
The app builds your ride-by-ride plan from live waits and forecasts, so you spend the day riding instead of guessing.
Your dates' crowd forecast, emailed.
Drop your email and we'll send your dates' outlook for Six Flags Great Adventure, right to your inbox.
No spam. Walk away whenever you want.
How busy is Six Flags Great Adventure in 2026?
Six Flags Great Adventure doesn't stay one speed all year. Measured across 2024-2026, July and June run quietest, averaging 3.1 out of 10, while October and August push 5.7. Saturdays typically run 1.5 levels above Wednesdays, the quietest day of the week.
Six Flags Great Adventure crowds by month in 2026
Twelve months, one glance. The grid up top has every individual day.
| Month | Avg level | What that means |
|---|---|---|
| January | – | No data |
| February | – | No data |
| March | – | No data |
| April | 4.8 / 10 | Moderate (partial) |
| May | 3.8 / 10 | Light |
| June | 3.0 / 10 | Light |
| July | 2.7 / 10 | Light |
| August | 3.5 / 10 | Light |
| September | 4.5 / 10 | Light (partial) |
| October | 5.7 / 10 | Moderate (partial) |
| November | 4.0 / 10 | Light (partial) |
| December | – | No data |
Best days to visit Six Flags Great Adventure in 2026
62% of Six Flags Great Adventure's measured days across 2024-2026 land at level 4 or below. Wednesdays are the most reliable quiet pick. If your dates are flexible, aim for July; if they're locked, the grid above shows exactly where your window falls. Want receipts? See how July 26 played out at level 7, or what a level-1 day looked like on July 28.
Common questions about Six Flags Great Adventure crowds
When is Six Flags Great Adventure least crowded in 2026?
Across the 2024-2026 seasons we've measured, July and June run quietest, averaging level 3.1 out of 10. Within any week, Wednesdays usually post the lowest levels. The calendar above shows every day, so check your exact dates.
How busy is Six Flags Great Adventure on weekends?
Saturdays are the busiest day at Six Flags Great Adventure, averaging level 4.7 across 2024-2026. Wednesdays are the quietest at 3.0. Weekdays as a group average 3.6. If you can swing a Wednesday, you'll feel the difference in the lines.
How accurate is this crowd calendar?
Every day comes from real wait-time data, not guesswork, and forecast days update nightly.
What do the crowd levels 1-10 mean?
Level 1-2 is quiet, with walk-ons most of the day. 3-4 is light, 5-6 is moderate, 7-8 is busy, and 9-10 is packed, with peak waits several times longer than a quiet day. The levels come from each day's wait times across the whole park.
Is the Six Flags Great Adventure crowd calendar free?
Yes. The calendar is free and you don't need an account to browse it. The Ride Ready app is also free to download, with live wait times and free drop alerts. Day plans are a premium feature.
Plan your Six Flags Great Adventure visit
- Six Flags Great Adventure park guide
- Crowd calendars for every park we cover
- The 2026 Theme Park Crowd Report
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