Live aurora forecast

Northern lights in Stykkishólmur tonight

Snæfellsnes Peninsula, Iceland · 65° magnetic latitude · Kp 2-3 threshold

Aurora visibility · Stykkishólmur
6/9
Good chance tonight

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

QuietStormExtreme
Threshold
Kp 2-3
Magnetic latitude
~65°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 5 Jul, 17:30 UTC

7-day outlook for Stykkishólmur

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?

Stykkishólmur sits at a magnetic latitude of approximately 65°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 2-3 before the auroral oval expands far enough south to be visible from here.

At Kp 2-3, visibility is possible from Stykkishólmur 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 Stykkishólmur

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

Súgandisey lighthouse island

Get directions ↗
Bortle Class 2 - Excellent dark sky Accessible on foot from the harbour - approximately 10 minute walk

Súgandisey is a small rocky island connected to Stykkishólmur harbour by a short walkway. The lighthouse sits at the top of a 50 m basalt outcrop and gives a 360-degree ocean horizon. The north face of the island looks directly across Breiðafjörður bay with no land visible to the north or northwest for over 60 km. The walkway and steps to the lighthouse summit are maintained and lit at low intensity - turn away from any lights once on the summit. The island is one of the most accessible combined aurora and ocean horizon positions in Iceland: 10 minutes on foot from the town centre, full circular sky, and Bortle 2 conditions over the open bay.

Breiðafjörður bay north shore road

Get directions ↗
Bortle Class 2 - Excellent dark sky 10 km north of Stykkishólmur on minor road - approximately 15 minute drive

The north shore of the Snæfellsnes Peninsula above Stykkishólmur faces directly across Breiðafjörður, a bay of 40,000 offshore islands and skerries. On still nights the bay surface mirrors aurora over an enormous area. The minor road north of town runs close to the shore with several pull-ins. Settlement is sparse - the road connects a handful of remote farms with no significant light sources. Breiðafjörður is one of Iceland's great bird and marine habitat bays, and at night the absence of development in any direction gives Bortle 2 conditions throughout. Any aurora active enough to reflect in the bay is amplified dramatically by the still water surface.

Helgafell hill

Get directions ↗
Bortle Class 2 - Excellent dark sky 5 km south of Stykkishólmur - approximately 8 minute drive

Helgafell is a 73 m volcanic hill 5 km south of Stykkishólmur, considered sacred in the Icelandic sagas and associated with the first settlers of the peninsula. The summit gives elevated views north over Breiðafjörður and south across the flat farmland toward Snæfellsjökull. The walking path to the top is short - around 10 minutes from the car park at the base. There is a tradition of making a wish at the summit without speaking or looking back, which is a better frame of mind than checking a phone during an aurora display. The elevated position above the flat peninsula gives a wide unobstructed sky arc in all directions.

When to go

Best time to see the northern lights in Stykkishólmur

At 65°N magnetic latitude, Stykkishólmur has one of the longest aurora seasons in the world. Meaningful darkness returns in late August and displays are possible on almost any clear night from September through March. Only the endless daylight of May, June, and July rules out viewing completely.

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 Stykkishólmur's latitude.

May through July is effectively impossible for aurora viewing: the midnight sun keeps the sky bright around the clock at this latitude. No storm level, not even G5, can produce a visible display without astronomical darkness.

Up to 8 locations

Stykkishólmur

Iceland

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

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 Stykkishólmur?

Average nights per month the Kp reached Stykkishólmur's threshold of 2+, from 15 years of geomagnetic data (2010–2024).

17.3Jan
19.1Feb
23.2Mar
5.7Apr
0May
0Jun
0Jul
0Aug
20.5Sep
21.8Oct
17.5Nov
15.8Dec

Counts the Kp 2+ 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 Stykkishólmur

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

1st
March
23.2
avg aurora nights
Stay 2+ nights for 80% chance
2nd
October
21.8
avg aurora nights
Stay 2+ nights for 80% chance
3rd
September
20.5
avg aurora nights
Stay 2+ nights for 80% chance

Best window

The September to November window averages 60 aurora nights - the strongest consecutive stretch of the year.

How long to stay

For your best chance in March, plan at least 2 nights.

Questions

Common questions about aurora in Stykkishólmur

Why is Stykkishólmur good for aurora photography?
Two things make it distinctive. First, Breiðafjörður bay - one of Iceland's largest bays with 40,000 small islands - gives an enormous flat water surface that reflects any active aurora. The reflections are often as bright as the display above, giving a vertical symmetry that is hard to find elsewhere in Iceland. Second, the Súgandisey lighthouse island is walkable from the harbour and gives a full 360-degree ocean horizon from a basalt rock outcrop. The combination of accessibility, ocean foreground, and Bortle Class 2 sky makes Stykkishólmur one of the better aurora photography locations on the Snæfellsnes Peninsula.
What Kp level is needed in Stykkishólmur?
At 65°N magnetic latitude, Stykkishólmur requires the Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - to reach at least Kp 2 before aurora becomes reliably visible. Kp 2 produces a clear arc on the northern horizon over the bay. Kp 3 gives an active display with structure and movement. Because the sky around Stykkishólmur is genuinely dark - Bortle Class 2 throughout the bay area - faint aurora at Kp 2 is clearly detectable here.
Can you take the ferry from Stykkishólmur to the Westfjords?
Yes. The Baldur ferry runs from Stykkishólmur across Breiðafjörður to Brjánslækur on the south coast of the Westfjords, from where Ísafjörður is a further 2-hour drive north. The crossing takes about 2 hours 45 minutes and operates year-round with reduced winter frequency. This is one of the few direct connections between Snæfellsnes and the Westfjords. If the ferry schedule aligns with clear skies, the crossing itself gives an open ocean dark sky position well away from any light pollution.
How do I get to Stykkishólmur from Reykjavik?
Stykkishólmur is approximately 175 km from Reykjavik, a drive of around 2 hours on Route 1 north to Borgarnes and then west along Route 54 onto the Snæfellsnes Peninsula. The road is paved throughout. There is also a scheduled bus service (Strætó) connecting Reykjavik to Stykkishólmur via Borgarnes, with the journey taking around 3 hours. In winter, a hire car is strongly recommended for the flexibility to chase clear sky windows.
Is the Snæfellsnes Peninsula good for aurora?
Yes. The peninsula extends 90 km west from the mainland with ocean on both sides, giving dark sky in almost every direction. Stykkishólmur at the northern end, the Snæfellsjökull glacier at the western tip, and the south coast near Arnarstapi all give strong aurora positions. The magnetic latitude of 64-65°N means Kp 2-3 is sufficient. Weather is variable - the Atlantic exposure means clouds arrive quickly - but clear windows on the peninsula are productive at any Kp level above the threshold.
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