Northern lights in New Jersey tonight
New Jersey, USA · 49° magnetic latitude · Kp 6 threshold
Kp 1 is well below the Kp 6 threshold needed for aurora to be visible from New Jersey.
7-day outlook for New Jersey
Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.
auroratonight.space
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.
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 ↗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
Get directions ↗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 ↗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.
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
Related pages
USA Aurora Overview
State-by-state aurora forecast and Kp thresholds across the United States.
Read →New York Aurora Forecast
Aurora forecast for New York, including the Adirondacks and upstate dark sky sites.
Read →Pennsylvania Aurora Forecast
Aurora forecast for Pennsylvania, including Cherry Springs State Park.
Read →Maryland Aurora Forecast
Aurora forecast for Maryland with western mountain dark sky sites.
Read →Kp Index Guide
What the Kp index means and how to use it to plan aurora viewing.
Read →Aurora photographs from New Jersey
Real photos sourced from Wikimedia Commons.
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