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Hauts-de-France

Northern lights in Dunkerque tonight

Real-time aurora forecast for Dunkerque (Hauts-de-France) - latitude 51.04° N, estimated Kp threshold 7.

Kp index
4.3
unsettled
Hemispheric power
North21GW
South22GW

Source: app.pulsar-si.com

Tonight in Dunkerque
Very unlikely
Based on Kp 4.3 and Dunkerque's latitude.

Seeing the northern lights from Dunkerque

Dunkerque, at 51° N, is the most northerly continental French city. Auroras here are the most accessible in mainland France: Kp 5 often suffices. The wide beach and flat horizon over the North Sea offer ideal conditions. May 2024 was particularly remarkable, with red and green auroras photographed all night from the Malo-les-Bains promenade.

Observation conditions in Dunkerque

Bortle 7 over the urban area. The Bray-Dunes beach (Bortle 5, 15 km east) and the Flanders dunes offer a northern horizon over the North Sea. The Platier d'Oye nature reserve (Bortle 5, 20 km west) is another recommended site. Winter weather is often capricious, but autumn anticyclone passes give remarkable nights.

Recent auroras from Dunkerque

10-11 May 2024 (Kp 9): exceptional aurora visible all night from the Malo-les-Bains promenade. 5 November 2023 (Kp 7), 27 February 2023 (Kp 6), 23 March 2023 (Kp 7): regular sightings thanks to the favourable latitude. 8 September 2017 (Kp 7.7): aurora observed from Bray-Dunes.

What Dunkerque asks of the sky

Geomagnetic latitude
52.5°
2 of 40
Kp index required
Kp 7
9 / 12 months
Dark nights per year
310
-55

Dunkerque ranks 2 of the 40 cities we track, at 52.5° geomagnetic. Calais sits 0° higher , Lille follows at 52°.

The threshold to clear here is Kp 7. Twelve months of archive hold 9 nights, the most recent on 4 July 2026, and 157 since 1994. Calais and Lille and Amiens share exactly the same threshold.

A constraint specific to this latitude: astronomical night disappears from 26 mai to 19 juillet. Those 55 nights are lost in advance, whatever the Sun does. That leaves 310 usable nights.

How to read the Kp index →

Local conditions

Light pollution
Bortle 7 of 9
SQM 18.53 mag/arcsec²
Nearest darker sky
Malo-les-Bains
2 km · Bortle 3

Kp forecast, next 3 days

Source: app.pulsar-si.com. For an aurora to be visible from Dunkerque, Kp must exceed 7.

Wed 19 Aug
1.1
Expected max Kp
Thu 20 Aug
1.5
Expected max Kp
Fri 21 Aug
1.7
Expected max Kp

Frequently asked questions

Can you see the northern lights from Dunkerque?
Yes, but rarely. Typically a Kp index of ≥ 7 is needed for the aurora to become visible from Dunkerque (latitude 51.0° N). Major geomagnetic storms (Kp 8-9) that reach this latitude happen only a handful of times per 11-year solar cycle.
What Kp index is needed to see auroras from Dunkerque?
The approximate Kp threshold for Dunkerque is 7. Below that, auroras stay confined to high latitudes (Norway, Scotland). Above it, they gradually extend southward. A Kp of 8 gives a fair chance, 9 a strong one.
When is the best time to watch from Dunkerque?
Auroras are a nighttime phenomenon, best observed between roughly 10 PM and 2 AM local time, when the geomagnetic pole is tilted towards the Earth's night side. In practice, peaks depend on when a coronal mass ejection arrives - activity can spike at any hour.
Where around Dunkerque offers better conditions?
Move at least 40-60 km north of Dunkerque to escape urban light pollution and gain 1-2 magnitudes of limiting magnitude.

Nearby cities

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