Northern lights Harstad tonight
Harstad sits at 69°N magnetic latitude on Hinnøya - Norway's largest island - inside the auroral oval. Kp 1 is enough for aurora on a clear night. The Trondenes peninsula is 8 minutes from the town centre with north-facing Andfjorden views, and Harstad is the natural gateway to Vesterålen, an island group with equally dark skies and far fewer visitors than Lofoten. Polar night: approximately 28 November to 14 January.
Aurora visibility - Harstad
Possible tonight
Kp 1 is at the threshold for Harstad. Aurora may be visible from a dark site if cloud cover permits.
Current Kp
1
of 9
7-day outlook for Harstad
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?
Harstad sits at a magnetic latitude of approximately 69°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 1 before the auroral oval expands far enough south to be visible from here.
At Kp 1, 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.
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 ↗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 ↗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 ↗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.
Best time to see the northern lights in Harstad
At 69°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.
Related pages
Northern Lights Norway
Norway-wide aurora forecast hub.
Northern Lights Vesterålen Tonight
Vesterålen - the island group north of Harstad with Andøya and Bleik beach.
Northern Lights Narvik Tonight
Narvik - 80 km southeast, Ofoten fjord and railway viewpoints.
Northern Lights Tromsø Tonight
Tromsø - 2 hours north, the world's best-serviced aurora destination.
What Is the Kp Index?
Why Kp 1 is enough at 69°N magnetic latitude.
Common questions
Aurora at Harstad - Trondenes, Vesterålen, and how it compares to Tromsø.