All locations Iceland Höfn

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

Threshold for Höfn: Kp 3 Magnetic latitude: ~64°N Updated: 21 May, 14:34 UTC
↓ Bz nT Solar wind km/s Density p/cm³
Conditions right now: Kp + Bz + solar wind + cloud + moon

7-day outlook for Höfn

Today

21 May

Quiet

Tomorrow

22 May

Quiet

Sat

23 May

Quiet

Sun

24 May

Quiet

Mon

25 May

Quiet

Tue

26 May

Quiet

Wed

27 May

Quiet

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

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Bortle Class 2 - Excellent dark sky North of Höfn town - approximately 10 minute drive

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

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Bortle Class 2 - Excellent dark sky 10 km east of Höfn - approximately 12 minute drive

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

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Bortle Class 1-2 - Excellent dark sky 80 km northwest of Höfn - approximately 45 minute drive

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.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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.

Common questions

Aurora thresholds, dark sky spots, and practical access around Höfn and the southeast Iceland glacier coast.

Is Höfn or Jökulsárlón better for aurora?
Both are within the same stretch of southeast Iceland and have similar sky darkness. Jökulsárlón has the floating icebergs and is better known as an aurora photography location. Höfn has Vestrahorn and Hornafjörður bay as alternatives - less photographed and less crowded. The two are 45 minutes apart on the Ring Road, so if you are based in Höfn you can reach Jökulsárlón for a dedicated night at the lagoon. On active nights the black sand plain between them is worth stopping on at any pull-in.
Is Stokksnes accessible at night?
Yes. The toll gate at the Höfn Viking café on the Stokksnes approach road is staffed or uses an honesty box late into the evening during aurora season. The typical toll is around 1,000 ISK. The beach car park beyond the gate has room for several vehicles. The beach walk from the car park to the base of Vestrahorn is about 10 minutes on flat sand. Bring a head torch - there is no lighting on the peninsula. The beach surface is firm black volcanic sand and accessible in most weather conditions.
What Kp level is needed in Höfn?
Höfn sits at 64°N magnetic latitude, one degree south of Akureyri and Mývatn. At this latitude 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 at least Kp 3 before aurora is reliably visible. At Kp 3 a bright arc appears to the north; at Kp 4-5 the display typically develops structure and covers more of the sky. For comparison, Jökulsárlón is at the same latitude and has the same threshold.
Is the Ring Road south coast good for aurora?
Yes, the southeast Iceland coast between Höfn and Vík is one of Iceland's best aurora corridors. The flat black sand plain gives enormous open sky with minimal obstruction in any direction. There are no towns between Höfn and Kirkjubæjarklaustur - a stretch of about 200 km - and settlement along the coast is sparse. Pull-ins and lay-bys along the Ring Road give access to the plain. The glacier faces to the north and northwest add a distinctive horizon element. Cloud cover on the south coast is higher than east Iceland but when skies are clear, the conditions are exceptional.
When is the best season for aurora in Höfn?
Aurora season at Höfn runs from September to April, when nights are long enough and dark enough for activity to be visible. November to February gives the longest dark windows - typically 16-18 hours of darkness per day. September and March are worth considering because cloud frequency is lower and the equinox periods coincide with a statistical uptick in geomagnetic activity. July and August have no astronomical darkness at this latitude and aurora is not visible regardless of geomagnetic conditions.

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