Best Time to See Green Sea Turtles in New Jersey

October, August and September is the best time to see green sea turtles in New Jersey. Based on 11 verified iNaturalist observations, here is exactly when green sea turtles are most active across the year in New Jersey.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 10, 2026.

Best months: October, August, September

11 verified observations of green sea turtles in New Jersey, recorded across 5 months of the year on iNaturalist.

When green sea turtles are recorded in New Jersey

Peak month

October

5 records (45.5% of the year)

Quietest month

January

No verified records

MonthObservationsShare
January00%
February00%
March19.1%
April00%
May00%
June00%
July19.1%
Augustpeak218.2%
Septemberpeak218.2%
Octoberpeak545.5%
November00%
December00%

Green Sea Turtles you are most likely to see

SpeciesVerified observations
Green Sea Turtle11

Sightings of green sea turtles in New Jersey peak in October, when 5 of the year's 11 verified observations are logged — about 45.5% of the annual total. Activity stays high through October, August and September.

The quietest stretch is January, February and April, when green sea turtles are hardest to find — no verified records exist for January. If a reliable sighting matters, plan around the peak window rather than the off-season.

The green sea turtles you are most likely to encounter in New Jersey are Green Sea Turtle — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.

Where to go

Best places to see green sea turtles in New Jersey

  • Appalachian National Scenic Trail — National Scenic Trail
  • Delaware Water Gap National Recreation Area — National Recreation Area
  • Great Egg Harbor River
  • Morristown National Historical Park — National Historical Park
  • Ellis Island Part of Statue of Liberty National Monument — Part of Statue of Liberty National Monument
  • Gateway National Recreation Area — National Recreation Area
Plan your tripAppalachian National Scenic Trail

Plan your green sea turtle trip in New Jersey

Start with live tours near Appalachian National Scenic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

What is the best month to see green sea turtles in New Jersey?+

October is the single best month, and the broader peak window runs through October, August and September, based on 11 verified iNaturalist observations.

When are green sea turtles hardest to see in New Jersey?+

January is the quietest month for green sea turtles in New Jersey, with no verified records on iNaturalist.

Are green sea turtles active year-round in New Jersey?+

Green sea turtles are recorded in 5 of 12 months in New Jersey, concentrated around October and August.