Aurora Borealis in Southport

United Kingdom · 53.65°, -3.01° · geomagnetic 55.9° · needs Kp 7

Tonight's aurora forecast for Southport

11%

Peak chance of a visible display tonight, from the same model the Revon app runs. Southport 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.

Tonight Tue 08 Sep
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:35 UTC

Local aurora guide for Southport

Southport is at 55.9° geomagnetic latitude. Auroras are typically visible at this latitude during intense geomagnetic storms, often requiring a Kp index of 7 or higher.

On average, Southport experiences about 2.7 nights per year with conditions potentially suitable for aurora viewing. These opportunities are infrequent and depend on strong geomagnetic activity.

The darkest months in Southport are May, June, and July. During these months, the lack of full darkness can obscure aurora visibility.

The period with the best overlap between dark skies and potential aurora visibility includes September, August, and November. These months offer the necessary darkness for viewing.

Southport has a Bortle scale rating of 7, indicating significant light pollution. Areas with darker skies, rated Bortle 4, are located approximately 51 km to the north-west.

Further Bortle 5 conditions can be found about 36 km west-south-west of Southport.

The horizon is generally clear in most directions, with notable features including Stanner Point, St Anne's Beach, Warbreck Hill, Hough Hill, and Rossall Point.

Stanner Point, a headland located 9.7 km north of Southport, offers a potential vantage point.

St Anne's Beach, situated 11.5 km north of Southport, is another coastal area.

Inland, Warbreck Hill is a hill 21.7 km north of Southport, and Hough Hill is a hill 26.5 km east-north-east of the town. Rossall Point, a headland 30.2 km north of Southport, is also noted.

Between 2016 and 2026, there were approximately 2.7 nights per year suitable for aurora viewing in Southport.

Historical records show 230 verified aurora sightings within 300 km of Southport between 2015 and 2016.

Notable qualifying nights with high Kp values include March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), January 19, 2026 (Kp 8.67), 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 Southport forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.

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Nearby towns

Forecasts for places within reach of Southport.