Northern lights Ilulissat tonight
Ilulissat sits at 72°N magnetic latitude on the edge of the UNESCO Icefjord. Kp 1 is sufficient for aurora overhead. The icefjord viewpoint and Sermermiut ruins give Bortle Class 1 darkness above icebergs up to 100 m tall. Best season: September to April, with polar night from mid-November to late January.
Aurora visibility - Ilulissat
Possible tonight
Kp 1 is at the threshold for Ilulissat. Aurora may be visible from a dark site if cloud cover permits.
Current Kp
1
of 9
7-day outlook for Ilulissat
Today
19 May
Tomorrow
20 May
Thu
21 May
Fri
22 May
Sat
23 May
Sun
24 May
Mon
25 May
Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.
What Kp is needed here?
Ilulissat sits at a magnetic latitude of approximately 72°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 Ilulissat 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 Ilulissat
Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.
Ilulissat Icefjord UNESCO viewpoint
Get directions ↗The icefjord rim gives a direct view over the mouth of Sermeq Kujalleq glacier, where icebergs up to 100 m tall emerge from a 40 km calving front. The viewpoint faces south-southwest across the icefjord. At night the bergs are lit by moonlight or aurora glow. The boardwalk path is maintained but deep snow in winter requires insulated boots. No artificial light reaches this position - the town sits behind the ridge above.
Sermermiut settlement ruins
Get directions ↗An ancient Inuit settlement on the icefjord rim occupied for over 4,000 years, now a protected archaeological site. Stone tent rings and food caches mark the site above the icefjord edge. The position is slightly elevated above the UNESCO viewpoint, giving a wider iceberg panorama. Complete darkness - the ruins themselves create a foreground without lighting. One of the most atmospheric aurora positions on earth: standing on a 4,000-year-old site above a glacier in the dark.
Holms Bakke hill
Get directions ↗A low hill immediately behind the town, easily reached on foot. The north-facing slope gives views over Disko Bay - a vast body of open water with icebergs drifting in from the icefjord. On active nights the aurora spans the full arc from west to east above the bay. This is the quickest option when conditions come good unexpectedly - closer than the icefjord walk and still a dark north-facing position.
Best time to see the northern lights in Ilulissat
At 72°N magnetic latitude, Ilulissat 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 Ilulissat'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 Greenland
Greenland aurora hub - all locations.
Northern Lights Nuuk Tonight
Nuuk - capital city, Nuup Kangerlua fjord.
Northern Lights Kangerlussuaq Tonight
Kangerlussuaq - clearest skies in Greenland.
Northern Lights Svalbard Tonight
Svalbard - similar latitude to northern Greenland.
What Is the Kp Index?
How Kp 1 triggers aurora inside the auroral oval.
Northern Lights Bucket List
Aurora over Ilulissat icebergs is one of the world's top 12 aurora experiences.
Common questions
Northern lights from Ilulissat and the UNESCO Icefjord.
