When is the best time to visit Great Adventure?

On our Great Adventure crowd calendar, Not Crowded and A Little Crowded days are typically mid-week outside summer, spring break, and major US holidays. Use the “Best days this month” strip and tap any day for why.

What do Great Adventure crowd levels mean?

Not Crowded, A Little Crowded, Crowded, and Super Crowded are relative tiers for expected crowd pressure. Not Crowded is the easiest tide; Super Crowded is the most crowded. Scores are model estimates, not official attendance.

Are these live Great Adventure crowd levels?

No. IsItCrowded scores are model-based crowd forecasts from day of week, holidays, school-break windows, and park-specific factors. They are not live sensors, wait times, observed attendance, or official Disney/park data.

How do I check if Great Adventure is crowded today?

Open our “Is Great Adventure crowded today?” page for today’s estimated level, or pick today’s date on this crowd calendar.

Jackson, NJ

Six Flags Great Adventure Crowd Calendar — April 2027

April 2027 at Six Flags Great Adventure is one of the quietest months of the year: the softest days all land in the first half of the month, and weekends take the worst of it. The softest day of the month is Monday, April 5 (Not Crowded), with Apr 6 and Apr 7 close behind. The day to avoid is Saturday, April 3, forecast Super Crowded.

Model-based forecasts from day-of-week patterns, US holidays, and school-break windows — not official attendance. For live conditions see wait times.

Is Great Adventure crowded today? Full interactive calendar Park hub

April 2027

Not Crowded A Little Crowded Crowded Super Crowded

Sun

Mon

Tue

Wed

Thu

Fri

Sat

1A Little Crowded

2Crowded

3Super Crowded

4Crowded

5Not Crowded

6Not Crowded

7Not Crowded

8A Little Crowded

9Crowded

10Super Crowded

11Crowded

12Not Crowded

13Not Crowded

14Not Crowded

15Not Crowded

16Crowded

17Crowded

18Crowded

19Not Crowded

20Not Crowded

21Not Crowded

22Not Crowded

23Crowded

24Crowded

25Crowded

26Not Crowded

27Not Crowded

28Not Crowded

29Not Crowded

30Crowded

Best days in April 2027

1stNot CrowdedApr 5Monday
2ndNot CrowdedApr 6Tuesday
3rdNot CrowdedApr 7Wednesday

12 Apr 12 · Not Crowded
13 Apr 13 · Not Crowded

Best weekend

Apr 17–Apr 18 · avg score 3 · Crowded / Crowded

Days to avoid

3 Apr 3 · Super Crowded — Saturdays are usually the busiest days of the week; Spring break / Easter window
10 Apr 10 · Super Crowded — Saturdays are usually the busiest days of the week; Spring break / Easter window
2 Apr 2 · Crowded — Fridays are usually busier than average; Spring break / Easter window

Planning April at Six Flags Great Adventure

Use the softest days above if your dates are flexible — mid-week days outside holiday windows are usually the easiest visits of the month. If you can only come on a weekend, the best-weekend pick above is the lightest of a busy bunch. Check the today page on the morning of your visit and the full crowd calendar for the months either side of April.