Live aurora forecast

Northern lights in Harstad tonight

Northern Norway · 66° magnetic latitude · Kp 2 threshold

Aurora visibility · Harstad
1/9
Low chance tonight

Kp 1 is below the threshold for Harstad. Activity would need to rise to Kp 2 before aurora could reach this latitude.

QuietStormExtreme
Threshold
Kp 2
Magnetic latitude
~66°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 19 Aug, 19:23 UTC

7-day outlook for Harstad

Tonight shows the live Kp reading. The nights after it show the Kp expected from any coronal mass ejection DONKI predicts will arrive that day, and a quiet baseline of Kp 2 where no arrival is forecast.

Today
19 Aug
1
Unlikely
Tomorrow
20 Aug
2
Possible
Fri
21 Aug
2
Possible
Sat
22 Aug
2
Possible
Sun
23 Aug
2
Possible
Mon
24 Aug
2
Possible
Tue
25 Aug
2
Possible

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

auroratonight.space

What Kp is needed here?

Harstad sits at a magnetic latitude of approximately 66°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 before the auroral oval expands far enough south to be visible from here.

At Kp 2, visibility is possible from Harstad 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 Harstad

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

Trondenes peninsula

Get directions ↗
Bortle Class 2 - Excellent dark sky 5 km from Harstad - approximately 8 minute drive

Trondenes extends northeast from Harstad into Andfjorden and is one of the most historically significant peninsulas in northern Norway - home to Trondenes Church, one of the world's northernmost medieval churches, and the Adolfkanonen, the world's largest preserved land-based artillery installation, constructed in 1942. The peninsula's north-facing shore gives a clear view across Andfjorden toward the open waters between Hinnøya and Andøya. Light pollution from Harstad drops away quickly past the church. Bortle Class 2 from the northern tip. The peninsula road is accessible year-round.

Grytøya island

Get directions ↗
Bortle Class 2 - Excellent dark sky West of Harstad - approximately 25 minute ferry crossing

Grytøya is a small island immediately west of Harstad, separated from Hinnøya by the Tjeldsundet strait. The island has a resident population of around 700 with minimal street lighting. A ferry crossing from Harstad harbour reaches Grytøya in around 25 minutes. The north and west coasts of the island face open sea with no settlement in those directions, giving Bortle Class 2 conditions along the northern shore. The Harstad town lights are visible to the east from some positions but cause no sky glow in the north or northwest directions.

Andøya island - Bleik beach

Get directions ↗
Bortle Class 2 - Excellent dark sky 90 km from Harstad - approximately 1.5 hour drive

Andøya is the northernmost island of Vesterålen, 90 km north of Harstad via the island bridge network. Bleik, on the island's northwest coast, sits below Bleiksøya - a 165 m sea stack rising from the ocean 1 km offshore. The beach faces northwest with open Arctic Ocean in all northern and western directions and no light pollution on any horizon. Bortle Class 2 throughout the Andøya west coast. The drive from Harstad passes through Vesterålen, and any position along the route is dark enough to stop at if Bleik is too far for one night.

When to go

Best time to see the northern lights in Harstad

At 66°N magnetic latitude, Harstad 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 Harstad'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

Harstad

Norway

Low chance
Kp 1 need Kp 2
Checking darkness…
Narvik

Norway

Low chance
Kp 1 need Kp 2
Checking darkness…
Vesterålen

Norway

Possible
Kp 1 need Kp 1
Checking darkness…
The odds

How often does the aurora appear in Harstad?

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

22.5Jan
23.3Feb
24.9Mar
0Apr
0May
0Jun
0Jul
0Aug
15.1Sep
23.8Oct
21Nov
21.1Dec

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 Harstad

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

1st
March
24.9
avg aurora nights
Stay 1+ nights for 80% chance
2nd
October
23.8
avg aurora nights
Stay 2+ nights for 80% chance
3rd
February
23.3
avg aurora nights
Stay 1+ nights for 80% chance

Best window

The January to March window averages 71 aurora nights - the strongest consecutive stretch of the year.

How long to stay

For your best chance in March, plan at least 1 night.

From the community

Aurora photographs from Harstad

Real photos sourced from Wikimedia Commons.

Aurora over HarstadAurora over Harstad
Aurora over HarstadAurora over Harstad
Aurora over HarstadAurora over Harstad
Aurora over HarstadAurora over Harstad
Aurora over HarstadAurora over Harstad
Aurora over HarstadAurora over Harstad
Questions

Common questions about aurora in Harstad

How does Harstad compare to Tromsø for aurora?
Harstad sits at 66°N magnetic latitude inside the auroral oval, one degree south of Tromsø. Both have a Kp 2 threshold. Tromsø has a larger guided tour industry, more flights, and more accommodation; Harstad is quieter, with Trondenes peninsula giving a unique dark sky position within 5 minutes of the town and a distinctly different landscape. Harstad is also the most practical base for exploring Vesterålen - the island group north of Lofoten - which has equally good aurora conditions but dramatically fewer visitors.
What is Vesterålen and why is it less visited than Lofoten?
Vesterålen is the island group immediately north of Lofoten. It sits at the same magnetic latitude and has the same Kp 2 aurora threshold, but receives far fewer visitors. The landscape is less jagged than Lofoten's peaks - broader hills, flatter coastlines, more working fishing infrastructure - which attracts fewer photographers. The practical result is dark sky positions that are reliably uncrowded. Andøya in particular, home to Norway's rocket range, is one of the flattest and darkest islands in the region.
What Kp is needed for aurora in Harstad?
At 66°N magnetic 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 only Kp 2 before aurora appears on clear nights. On very quiet nights (Kp 0–1), a faint arc is often visible from Trondenes peninsula facing north across Andfjorden. Kp 2 produces clear structural activity. The surrounding island landscape gives multiple north-facing dark sky positions without requiring a long drive.
Is Trondenes peninsula a good aurora photography location?
Yes. Trondenes gives a useful combination of historical architecture and dark north-facing sky within 8 minutes of Harstad. The medieval church (built around 1150) and the massive German gun emplacement from 1942 provide foreground elements that are unusual even by Norwegian Arctic standards. From the northern tip of the peninsula, Andfjorden opens to the north with no obstructions. The road is paved and accessible year-round, though the car park surface can be icy - check conditions before driving in winter.
How do I get to Harstad?
Harstad/Narvik Airport (EVE) at Evenes, 75 km south of Harstad, is the main regional airport with flights from Oslo and Tromsø via SAS and Widerøe. The drive from Evenes airport to Harstad takes around 1 hour on the E10. Harstad is also connected to the mainland by the Tjeldsund bridge to the south. The Hurtigruten coastal ferry calls at Harstad, connecting it to Tromsø, Bergen, and other coastal ports. Hire car is recommended for accessing Trondenes and the Vesterålen islands.
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