Aurora Borealis in Nailsea
United Kingdom · 51.43°, -2.76° · geomagnetic 53.7° · needs Kp 7
Tonight's aurora forecast for Nailsea
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Nailsea needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 4.9. Short of the threshold, which is what most nights look like here.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:35 UTC
Local aurora guide for Nailsea
Nailsea is at 53.7° geomagnetic latitude. Auroras visible here typically require a Kp 7 or higher.
On average, there are about 2.7 nights per year with conditions suitable for aurora viewing.
The historical record spans from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Nailsea are September, August, and November.
During June and July, there is no full darkness, which can impact viewing opportunities.
Nailsea has a Bortle 7 rating, indicating significant light pollution.
Darker skies, rated Bortle 4, can be found approximately 71 km south-west near Mid Devon.
Bortle 5 skies are available about 35 km north near Monmouthshire in Wales.
Tickenham Hill, a hill located 3.3 km west-north-west of Nailsea, offers a potential viewpoint.
Failand Hill, another hill situated 3.9 km east-north-east of Nailsea, is also nearby.
Court Wood, a forest reserve 5.4 km west-north-west of Nailsea, and bays such as Charlcombe Bay and Pigeon House Bay to the north-west may provide alternative perspectives.
There have been 59 verified aurora reports within 300 km of Nailsea between January 1, 2015, and December 31, 2016.
The historical record includes qualifying nights such as March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67).
Other notable historical dates include November 12, 2025 (Kp 7.33) and November 11, 2025 (Kp 8.67).
Sources: Revon analysis of NOAA planetary Kp · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports
Know when it is worth going outside
Revon watches the Nailsea forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
Nearby towns
Forecasts for places within reach of Nailsea.