Six Flags Great Adventure Crowd Calendar
Daily crowd forecasts for Six Flags Great Adventure, built on real park hours and events, with live posted waits. Tap any day to see why it scores the way it does.
This park runs a seasonal calendar, so many weekdays outside summer are closed or have short hours. The hours shown on the calendar come from the park, so trust those first.
Live right now
37 min
average posted wait at the 10 busiest rides, 15 rides open
- THE FLASH™: Vertical Velocity60 min
- Barrels O’ Fun45 min
- JUSTICE LEAGUE™: Battle for METROPOLIS45 min
- Medusa40 min
- HARLEY QUINN™ Crazy Train35 min
- Jersey Devil Coaster35 min
Posted standby waits, refreshed every few minutes.
The next 7 days
Wednesday
July 1, 2026
Six Flags Great Adventure
Long waits at the headliners. Arrive early and plan your big rides.
What moves this day
- −0.5Midweek
- +2Summer vacation
Plan: Do two or three headliners in the first hour, then the waits stay manageable.
We don't track posted waits for this park yet, so past days show the forecast only.
Best bets in July: the 1, 6, 7. Avoid if you can: the 4, 18, 25.
Lightest days in the next six weeks
- 5Tue, October 13Midweek
- 5Wed, October 14Midweek
- 5Thu, October 15No holidays or events pushing crowds up · 6pm to 11pm
- 5Mon, October 19No holidays or events pushing crowds up
- 5Tue, October 20Midweek
- 5Wed, October 21Midweek
2026 at a glance
The average forecast for each month at Great Adventure. Tap a month to open it.
Notable dates in July
- July 2: Independence Day
How this calendar works
Each day starts from a typical level and moves up or down for the things that reliably change attendance: Saturdays run heaviest, school break weeks lift everything, holidays peak hard and event seasons add weekend crowds. On top of that we use each park's published hours and ticketed events, about a month ahead, so a party night that closes Magic Kingdom early or a Horror Nights night at Universal shows up on the right day.
For the parks we track, we also record posted wait times around the clock. Finished days get a measured level next to the forecast, and those records power the best time of day chart and the ride wait guide. Treat the forecast as a planning guide, not a promise. Weather, ride outages and ticket deals can move a day a point or two.
Crowd calendar FAQ
What do the crowd levels mean?
Every day gets a score from 1 to 10. Light (1 to 3) means short waits and plenty of walk ons. Moderate (4 to 6) is a typical day. Busy (7 to 8) means long waits at the headliners. Packed (9 to 10) is peak holiday crowding, so plan around it.
How are the predictions made?
The forecast starts from the patterns that drive attendance every year: the day of the week, school breaks, holidays, summer and event seasons like Halloween. It then uses each park's real published hours and ticketed events, so a night when Magic Kingdom closes early for a party, or a Horror Nights night at Universal, changes the score. Open any day on the calendar to see exactly which factors moved it.
What does "Actual" mean on past days?
For the parks where we collect posted wait times every few minutes, we turn each finished day into a measured crowd level based on the average posted wait at that park’s 10 busiest rides. That shows how busy the day really was, next to what was predicted. The record started in October 2026 and grows every day.
Where do the live waits come from?
Live waits are the standby times each park posts, pulled from the ThemeParks.wiki data service and refreshed every few minutes. Posted waits are often a little higher than the real wait.
What is the least crowded time of year to visit?
Historically: weekdays from mid January through February, September weekdays after Labor Day, and the first two weeks of December. Saturdays are the busiest day of almost every week, and Tuesdays and Wednesdays are usually the quietest.
What time of day has the shortest lines?
The first hour after opening and the last hour or two before closing are almost always the shortest. Late morning through mid afternoon is the peak. Parks we track show their own best time of day chart on their calendar page.