Aurora Borealis in Coleraine
United Kingdom · 55.13°, -6.67° · geomagnetic 57.9° · needs Kp 7
Tonight's aurora forecast for Coleraine
48%
Peak chance of a visible display tonight, from the same model the Revon app runs. Coleraine 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.
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Updated 2026-09-08 10:36 UTC
Local aurora guide for Coleraine
Coleraine is at a geomagnetic latitude of 57.9°. Auroras visible at this latitude typically require a Kp of 7.
Based on historical data from 2016 to 2026, there are approximately 2.6 nights per year in Coleraine where auroral activity could be visible.
The best months for aurora viewing in Coleraine are September, August, and November. During these months, there is sufficient darkness for potential aurora sightings.
Conversely, May, June, and July experience periods without full darkness, which may impact viewing opportunities.
Coleraine has a Bortle scale rating of 2, indicating very dark skies. Areas 14 km north-north-west also maintain this Bortle 2 rating.
The horizon features include Portstewart Beach to the north-west, Portstewart Bay, Ballyaghran Point, Portstewart Strand, and Ramore Head to the north.
Portstewart Beach is a coastal area located 5.8 km north-west of Coleraine.
Portstewart Bay is a bay situated 7.3 km north-west of Coleraine.
Ballyaghran Point, a headland, is 7.4 km west-north-west of Coleraine. Portstewart Strand, a beach, is 7.5 km west-north-west of Coleraine. Ramore Head, a cape, is 8.7 km north of Coleraine.
Between 2015 and 2016, there were 235 verified aurora sightings reported within 300 km of Coleraine.
The historical record includes qualifying nights such as 2026-03-20 (Kp 7.0), 2026-01-20 (Kp 7.67), 2026-01-19 (Kp 8.67), 2025-11-12 (Kp 7.33), and 2025-11-11 (Kp 8.67).
Sources: Revon analysis of NOAA planetary Kp · Revon location dataset · 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 Coleraine forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
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