Northern lights Höfn tonight
Höfn is a small fishing town on the southeast coast of Iceland at 64°N magnetic latitude, where aurora requires a Kp index of at least 3 to become visible. The town sits between Hornafjörður bay and the edge of Vatnajökull, Europe's largest glacier, which dominates the northwestern horizon on clear nights. Stokksnes peninsula and Vestrahorn mountain are 10 minutes east - a black sand beach at the foot of jagged 454m granite peaks gives one of Iceland's most striking aurora foregrounds. The Ring Road northwest from Höfn runs through 80 km of uninhabited black sand plain below the glacier face, with Bortle 1-2 sky throughout.
Aurora visibility - Höfn
Unlikely tonight
Kp 1 is well below the Kp 3 threshold needed for aurora to be visible from Höfn.
Current Kp
1
of 9
7-day outlook for Höfn
Today
21 May
Tomorrow
22 May
Sat
23 May
Sun
24 May
Mon
25 May
Tue
26 May
Wed
27 May
Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.
What Kp is needed here?
Höfn sits at a magnetic latitude of approximately 64°N. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 3 before the auroral oval expands far enough south to be visible from here.
At Kp 3, visibility is possible from Höfn but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.
Best dark sky sites near Höfn
Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.
Hornafjörður bay north shore
Get directions ↗Hornafjörður is a wide sheltered bay with Vatnajökull glacier filling the northwestern horizon on clear nights, its white dome rising above the flat coastal plain. The north shore gives a dark, north-facing position away from the modest light dome of Höfn itself. The fishing harbour in the foreground provides boat masts and jetty lights as compositional elements without being bright enough to affect sky darkness. No settlement exists to the north or east of the bay, so the northern arc of sky is unobstructed. Calm nights produce reflections across the bay surface. The access road north of town is paved and accessible in winter.
Stokksnes peninsula and Vestrahorn
Get directions ↗Vestrahorn is a 454m twin-peaked mountain that rises directly from black sand beach at the end of the Stokksnes peninsula. The jagged granite peaks are one of Iceland's most distinctive geological formations and the beach is routinely used as a foreground for aurora photography. Access is via a small toll gate at the Höfn Viking café on the approach road - typically around 1,000 ISK, open late in aurora season. The beach faces south but Vestrahorn's silhouette frames any aurora to the north and northeast. The car park at the beach base has space for multiple vehicles. Bortle 2 sky throughout the peninsula with no settlement in any direction except the minor café building.
Jökulsárlón approach road
Get directions ↗The Ring Road northwest from Höfn runs directly below the Vatnajökull glacier tongue for 80 km before reaching the Jökulsárlón lagoon. The landscape along this stretch is Breiðamerkursandur - the black sand plain below the glacier face - completely flat and completely uninhabited. The glacier wall rises to the north, the Atlantic lies to the south, and the sky overhead is Bortle 1-2 throughout. Pull-ins along the Ring Road give access to the sand plain. Incorporating this drive into aurora watching time makes sense: conditions anywhere along this corridor are as good as or better than the lagoon itself, and you avoid the car park crowds at Jökulsárlón.
Best time to see the northern lights in Höfn
Höfn's aurora season runs from late September through to March, when nights are long enough for truly dark skies. The equinox months, September and March, bring a natural boost in geomagnetic activity, making them statistically the best of the season. Summer months bring too much twilight for aurora to be visible at this latitude.
Activity peaks around the September and March equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. Events during these two windows tend to produce the strongest displays of the year for observers at Höfn's latitude.
April through August brings persistent astronomical twilight that washes out aurora completely. Even strong events (Kp 6+) remain invisible during this period because the sky never gets dark enough.
Related pages
Iceland aurora overview
Aurora forecasts for all major Iceland locations, with Kp thresholds and dark sky guidance.
Jökulsárlón aurora forecast
Aurora forecast for the Jökulsárlón glacier lagoon, 45 minutes northwest of Höfn on the Ring Road.
Vík aurora forecast
Aurora forecast for Vík, South Iceland's black sand beach village at 63°N.
What is the Kp index?
A plain-language explanation of the Kp index and how to use it to plan an aurora trip.
Northern lights photography guide
Camera settings, composition, and practical advice for photographing the aurora borealis.
Common questions
Aurora thresholds, dark sky spots, and practical access around Höfn and the southeast Iceland glacier coast.