Aurora Borealis in Southend-on-Sea
United Kingdom · 51.54°, 0.71° · geomagnetic 53.3° · needs Kp 7
Tonight's aurora forecast for Southend-on-Sea
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Southend-on-Sea 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 10:35 UTC
Local aurora guide for Southend-on-Sea
Southend-on-Sea is located at 53.3° geomagnetic latitude. Auroras visible here typically require a Kp of 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 Southend-on-Sea are September, August, and November. These months offer a good balance of darkness and potential aurora activity.
During June and July, the region experiences periods without full darkness, which can impact viewing opportunities.
Southend-on-Sea has a Bortle scale rating of 6, indicating moderate light pollution. Areas with a Bortle rating of 4 can be found 20 km east-south-east.
The horizon to the east-north-east is marked by Rushley Island, about 8.6 km away. To the north-east, Potton Island is 8.7 km distant.
Further afield, Thundersley Hill is 9.6 km to the west-north-west, Stamfords Hill is 13.1 km to the north, and Wallasea Ness is a headland 13.7 km to the north-east.
There have been 42 verified aurora reports within 300 km of Southend-on-Sea between January 1, 2015, and December 31, 2016.
Notable aurora events recorded in the area include nights with Kp values of 7.0 on March 20, 2026, 7.67 on January 20, 2026, and 8.67 on January 19, 2026.
Additional high-activity nights were observed on November 12, 2025 (Kp 7.33) and November 11, 2025 (Kp 8.67).
Sources: Revon location dataset · 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 Southend-on-Sea 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 Southend-on-Sea.