Live aurora forecast

Northern lights in Akranes tonight

West Iceland · 64° magnetic latitude · Kp 3 threshold

Aurora visibility · Akranes
6/9
Good chance tonight

Kp 6 exceeds the visibility threshold for Akranes. Head out if skies are clear and you have a dark site.

QuietStormExtreme
Threshold
Kp 3
Magnetic latitude
~64°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 5 Jul, 16:17 UTC

7-day outlook for Akranes

Today
5 Jul
6
Good chance
Tomorrow
6 Jul
3
Possible
Tue
7 Jul
3
Possible
Wed
8 Jul
3
Possible
Thu
9 Jul
3
Possible
Fri
10 Jul
3
Possible
Sat
11 Jul
3
Possible

Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.

auroratonight.space

What Kp is needed here?

Akranes 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 Akranes but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.

Plan your viewing

Best dark sky sites near Akranes

Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.

Akranes lighthouse peninsula

Get directions ↗
Bortle Class 3 - Rural sky Northwest tip of Akranes - approximately 5 minute drive

Akranes has two lighthouses on the northwest tip of the peninsula, one historic and one operational, both accessible by a short drive or walk from the town centre. The promontory faces due north across Faxaflói bay with no land visible to the north or northwest - the Snæfellsnes Peninsula lies 60 km across the bay to the northwest, entirely dark at night. The lighthouse area has minimal light pollution and the Atlantic horizon gives an unobstructed view of the full northern sky arc. The lighthouses themselves are low-intensity navigational beacons and do not affect dark sky adaptation. This is the most convenient Reykjavik-area dark sky position with an ocean horizon.

Faxaflói bay north shore

Get directions ↗
Bortle Class 2 - Excellent dark sky 5 km northeast of Akranes on coastal road - approximately 8 minute drive

The minor coast road northeast of Akranes follows Faxaflói bay along low farmland with wide north-facing views. This shore is darker than the lighthouse peninsula, further from Akranes's lights and facing more directly north across open Atlantic water. Settlement along this road is sparse - a few isolated farms with low external lighting. The bay surface mirrors aurora on calm nights. At Kp 3 the aurora arc is visible from here as a clear band across the northern sea horizon. The drive from Reykjavik to this position is under an hour, making it viable for an alert-triggered same-night trip from the capital.

Hvalfjörður fjord head

Get directions ↗
Bortle Class 2 - Excellent dark sky 25 km east of Akranes - approximately 25 minute drive

Hvalfjörður is a 30 km-long fjord east of Akranes, bypassed by the Hvalfjörður tunnel on Route 1. The fjord road (Route 47) runs its length through quiet farmland with mountains on both sides. The fjord head is completely uninhabited and very dark - no town lights in any direction once past the mid-fjord farms. The mountains funnel the view, making aurora appear between high ridges, which can concentrate the display into a dramatic corridor. Route 47 is accessible throughout winter and the fjord head lay-bys give flat safe parking positions. The fjord orientation runs roughly east-west, giving good north-facing views from either shore.

When to go

Best time to see the northern lights in Akranes

Akranes'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 Akranes'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.

Up to 8 locations

Akranes

Iceland

Good chance
Kp 6 need Kp 3
Checking darkness…
Reykjavik

Iceland

Good chance
Kp 6 need Kp 2-3
Checking darkness…
Borgarnes

Iceland

Good chance
Kp 6 need Kp 2-3
Checking darkness…
The odds

How often does the aurora appear in Akranes?

Average nights per month the Kp reached Akranes's threshold of 3+, from 15 years of geomagnetic data (2010–2024).

10.2Jan
11.2Feb
13.6Mar
4.2Apr
0May
0Jun
0Jul
0Aug
12.9Sep
12.8Oct
10.3Nov
9.3Dec

Counts the Kp 3+ threshold only - cloud cover and local darkness are not included.
Kp data: GFZ German Research Centre for Geosciences, CC BY 4.0

Make it happen

Plan your trip to Akranes

Based on 15 years of geomagnetic data (2010–2024)

1st
March
13.6
avg aurora nights
Stay 3+ nights for 80% chance
2nd
September
12.9
avg aurora nights
Stay 3+ nights for 80% chance
3rd
October
12.8
avg aurora nights
Stay 4+ nights for 80% chance

Best window

The September to November window averages 36 aurora nights - the strongest consecutive stretch of the year.

How long to stay

For your best chance in March, plan at least 3 nights.

From the community

Aurora photographs from Akranes

Real photos sourced from Wikimedia Commons.

Aurora over AkranesAurora over Akranes
Aurora over AkranesAurora over Akranes
Aurora over AkranesAurora over Akranes
Aurora over AkranesAurora over Akranes
Aurora over AkranesAurora over Akranes
Aurora over AkranesAurora over Akranes
Questions

Common questions about aurora in Akranes

Is Akranes the closest dark sky to Reykjavik?
Akranes is one of the closest practical dark sky positions to Reykjavik with a genuine ocean horizon. At 45 minutes from the capital, it is comparable to the Grótta lighthouse on Seltjarnarnes (20 minutes) for proximity but gives a significantly darker sky - the Akranes lighthouse peninsula is Bortle Class 3, darker than anything accessible within the Reykjavik peninsula itself. For a quick same-night trip when the Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - reaches Kp 3, Akranes is a strong first choice.
What Kp level is needed in Akranes?
At 64°N magnetic latitude, Akranes sits one degree south of Akureyri and shares a similar threshold to the Reykjavik and Golden Circle area. The Kp index needs to reach at least Kp 3 for aurora to appear reliably on the northern horizon. At Kp 3 a bright arc appears across the Faxaflói bay horizon. At Kp 4-5 the display develops structure and movement. During exceptional storms at Kp 7+, aurora has been photographed overhead from Akranes and the Reykjavik waterfront.
How do I get to the Akranes lighthouse?
Drive Route 1 north from Reykjavik through the Hvalfjörður tunnel to Akranes - about 45 minutes. In Akranes, follow signs for the lighthouse (Akranesviti) to the northwest tip of the peninsula. There is a car park adjacent to the historic lighthouse. The two lighthouses are a short walk from the car park. The area is accessible throughout the year; the road to the lighthouse is paved and maintained. There is no entry fee and no formal closing time - the peninsula is public land.
Can you see aurora from Akranes in the winter?
Yes. Aurora season at Akranes runs from September to April. Winter months from November to February give the longest dark windows - around 17-18 hours of darkness per day at this latitude. The lighthouse peninsula is particularly good from October to March. December and January have the darkest nights but weather tends to be less settled; October and March offer a better balance of darkness and clear sky probability. Monitor the aurora forecast and cloud cover together - a Kp 4 night with clear skies outweighs a Kp 6 night under cloud.
Is Hvalfjörður worth driving for aurora?
Yes, particularly if Akranes is already overcast. Hvalfjörður fjord, reached by Route 47 which bypasses the tunnel, is 25 minutes from Akranes and gives Bortle Class 2 conditions at the fjord head - significantly darker than the Akranes lighthouse area. The fjord road is quiet and the valley is uninhabited beyond the mid-point farms. The aurora appears framed between the mountain ridges, which gives a sense of enclosure similar to Norway's fjords. Check road conditions in winter before committing to the full fjord drive.
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