Live aurora forecast

Northern lights in New Jersey tonight

New Jersey, USA · 49° magnetic latitude · Kp 6 threshold

Aurora visibility · New Jersey
1/9
Unlikely tonight

Kp 1 is well below the Kp 6 threshold needed for aurora to be visible from New Jersey.

QuietStormExtreme
Threshold
Kp 6
Magnetic latitude
~49°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 20 Jul, 12:57 UTC

7-day outlook for New Jersey

Today
20 Jul
1
Quiet
Tomorrow
21 Jul
3
Quiet
Wed
22 Jul
3
Quiet
Thu
23 Jul
3
Quiet
Fri
24 Jul
3
Quiet
Sat
25 Jul
3
Quiet
Sun
26 Jul
3
Quiet

Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.

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What Kp is needed here?

New Jersey sits at a magnetic latitude of approximately 49°N. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 6 before the auroral oval expands far enough south to be visible from here.

At Kp 6, visibility is possible from New Jersey but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.

Plan your viewing

Best dark sky sites near New Jersey

Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.

Wharton State Forest / Pine Barrens

Get directions ↗
3 75 miles from Newark, 30 miles from Philadelphia

The Pine Barrens - a million-acre forest in south-central New Jersey - gives Bortle 3 conditions surprising for a state surrounded by dense population. The Batsto area and the Mullica River corridor are the darkest points. The forest gives open sky above pitch pine canopy gaps facing north. At 39.8°N geographic latitude, around 49° geomagnetic latitude, this sits at much the same line as New York City. The lack of development across this large forested area creates a genuine dark zone within the state.

High Point State Park

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3 70 miles from Newark

New Jersey's highest point at 550 m in the Kittatinny Mountains on the New York border. The summit monument faces north across the Wallkill Valley toward New York State. At 41.3°N geographic - the highest latitude in New Jersey - combined with the elevation, this gives the state's best aurora viewing geometry. About 70 miles from Newark via I-287 and NJ-23.

Delaware Water Gap National Recreation Area

Get directions ↗
3 55 miles from Newark

The Delaware River valley between New Jersey and Pennsylvania gives Bortle 3 sky 55 miles from Newark. The ridge tops on the New Jersey side face north across the gap. The Appalachian Trail along the Kittatinny Ridge above the gap gives elevated sky access. Several trailheads are accessible from I-80. The gap sits between the two largest metro areas in the northeast, keeping development minimal in the valley itself.

When to go

Best time to see the northern lights in New Jersey

At 49°N magnetic latitude, New Jersey sits at the lower end of regular aurora territory. Only the deep mid-winter months of November through January offer nights dark enough for aurora to be visible, and only then when a significant geomagnetic storm pushes the auroral oval this far south.

Activity peaks around the September and March equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. Events during these two windows tend to produce the strongest displays of the year for observers at New Jersey's latitude.

Outside November through January, twilight is too bright for aurora viewing even during significant storms. The season is short, but the equinox months on either side of winter can extend it slightly when storm timing aligns.

Up to 8 locations

Unlikely
Kp 1 need Kp 6
Checking darkness…
New York

USA

Unlikely
Kp 1 need Kp 5-6
Checking darkness…
Unlikely
Kp 1 need Kp 6
Checking darkness…
From the community

Aurora photographs from New Jersey

Real photos sourced from Wikimedia Commons.

Aurora over New JerseyAurora over New Jersey
Aurora over New JerseyAurora over New Jersey
Aurora over New JerseyAurora over New Jersey
Aurora over New JerseyAurora over New Jersey
Questions

Common questions about aurora in New Jersey

Can you see the aurora in New Jersey?
Sometimes, during a major geomagnetic storm. Geomagnetic latitude is the latitude measured from Earth's magnetic poles rather than the geographic ones, and it governs how far south the aurora reaches. New Jersey sits at about 49° geomagnetic latitude, so the practical threshold is Kp 6 - a strong storm - from a dark sky site, seen as a glow low on the northern horizon. A long-exposure camera often shows it before the eye does. The Pine Barrens, Delaware Water Gap, and High Point State Park give Bortle 3 sky within an hour or two of most of the state. The main challenge is the state's dense population producing light domes in all directions. Even in the Pine Barrens, New York and Philadelphia glow on the horizon.
What Kp is needed from Newark or New York City area?
Newark and northern New Jersey at 40-41°N geographic latitude, around 49° geomagnetic latitude, need Kp 6 from a dark sky site. Kp is a global average over three hours, so reaching the threshold is worth checking rather than a guarantee. From the city itself the light pollution makes even a Kp 6 display hard to pick out. The standard approach is to drive to High Point State Park or Delaware Water Gap, both Bortle 3, and look low on the northern horizon when a strong storm is forecast.
Are the Pine Barrens actually dark enough to see aurora?
The Pine Barrens give Bortle 3 sky - a genuine improvement over the surrounding suburbs, but not Bortle 1 or 2. Philadelphia glows to the west, Atlantic City to the southeast, and New York to the north. The Bortle 3 zone in the Batsto area and central Mullica River corridor is the practical place to be when a Kp 6 storm is forecast, but you will see the light domes on the horizon. Darkness helps you catch a faint glow low to the north; it does not lower the storm strength New Jersey needs.
What is the best dark sky spot in New Jersey for aurora?
High Point State Park gives the best latitude at 41.3°N geographic combined with 550 m elevation and Bortle 3 sky - the best overall geometry in the state. Delaware Water Gap gives similar sky quality 55 miles from Newark. The Pine Barrens are the most accessible from southern New Jersey and Philadelphia, with more sky area to use despite the peripheral light domes.
What is the best season to see the aurora in New Jersey?
Aurora here is storm-driven, not seasonal. It depends on a strong geomagnetic storm reaching this latitude, which can happen at any time of year. Winter's only real edge is longer dark nights, and New Jersey winters bring frequent cloud cover from nor'easters and coastal systems - always check cloud forecasts too. There is no reliable season to plan around at 49° geomagnetic latitude. Watch the live storm forecast and head out when a Kp 6 event is predicted. An extreme storm on the scale of the May 2024 G5 event is what brings the aurora this far south.
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