Northern lights Nemuro tonight
Nemuro sits at 43° magnetic latitude at the eastern extremity of Hokkaido. Cape Nosappu - Japan's easternmost public point - gives a clear view over the Nemuro Strait and the Sea of Okhotsk. The Kp threshold is 6-7. On an active night Nemuro is among the first positions in Japan to register aurora. Combine with Kushiro (100 km west) for the wider eastern Hokkaido circuit. Set a push notification before you head out to the cape. Best season: October to March.
Aurora visibility - Nemuro
Unlikely tonight
Kp 1 is well below the Kp 6–7 threshold needed for aurora to be visible from Nemuro.
Current Kp
1
of 9
7-day outlook for Nemuro
Today
3 Jun
Tomorrow
4 Jun
Fri
5 Jun
Sat
6 Jun
Sun
7 Jun
Mon
8 Jun
Tue
9 Jun
Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.
auroratonight.space
What Kp is needed here?
Nemuro sits at a magnetic latitude of approximately 43°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 6–7 before the auroral oval expands far enough south to be visible from here.
At Kp 6–7, visibility is possible from Nemuro 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 Nemuro
Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.
Cape Nosappu (Nosappu Misaki)
Get directions ↗Cape Nosappu is the easternmost point of Hokkaido and the easternmost publicly accessible point on the Japanese mainland. The cape faces east across the Nemuro Strait toward the Habomai Islands. It is the first point in Japan to see the sun rise on any given day - and on nights with aurora activity, it is among the first positions in Japan to register it. Bortle Class 2-3 from the cape itself; the lighthouse and the small observation monument have some working lights but the headland positions to the south give a clean sky. In winter the cape is exposed and cold with frequent northeast winds off the Sea of Okhotsk.
Nemuro Peninsula coastal road
Get directions ↗The coastal road between Nemuro city and Cape Nosappu runs along the southern shore of the peninsula facing the Nemuro Strait. Multiple pull-offs along the 25 km give north and east-facing positions over the water. Bortle Class 3 from the road corridor. The Sea of Okhotsk coast gives clear winter nights under Siberian high pressure, with less coastal fog than the Pacific side of Hokkaido. Positions midway along the peninsula road reduce both the city glow from Nemuro to the west and the lighthouse light from the cape to the east. Useful for spontaneous stops without committing to the full drive to the cape.
Kiritappu wetland
Get directions ↗Kiritappu is a coastal wetland west of Nemuro where the Kushiro Shitsugen National Park approaches the coast. The flat bog terrain gives a 360° open sky with minimal horizon obstruction. Bortle Class 2. The wetland road is accessible in winter and the terrain is open enough for wide-angle photography of aurora overhead with the flat wetland below. Combined with a Nemuro base, Kiritappu extends the range of dark sky positions westward toward Kushiro. The wetland is protected conservation land - stay on the road and do not enter the bog itself at night.
Best time to see the northern lights in Nemuro
At 43°N magnetic latitude, Nemuro sits at the lower end of regular aurora territory. Only the deep mid-winter months of November through January offer nights dark enough for aurora to be visible, and only then when a significant geomagnetic storm pushes the auroral oval this far south.
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 Nemuro's latitude.
Outside November through January, twilight is too bright for aurora viewing even during significant storms. The season is short, but the equinox months on either side of winter can extend it slightly when storm timing aligns.
Other Japan aurora forecasts
← Japan overviewHow often does aurora appear in Nemuro?
Average nights per month when Kp reaches 6+ - based on 15 years of data
Best month
March
Average aurora nights per year
5
Kp threshold
6+
Based on 15 years of geomagnetic data (2010-2024). Shows nights when Kp reached 6+ at any point in the day - cloud cover and local darkness not included. Months with no astronomical darkness show zero.
Kp data: GFZ German Research Centre for Geosciences, CC BY 4.0
Plan your trip to Nemuro
Based on 15 years of geomagnetic data
March
0.5
avg aurora nights
Requires an extended stay
September
0.5
avg aurora nights
Requires an extended stay
January
0.4
avg aurora nights
Requires an extended stay
Best window
The January to March window averages 1 aurora nights - the strongest consecutive stretch of the year.
How long to stay
Aurora at this latitude requires patience - allow as many nights as possible during March.
Related pages
Northern Lights Japan
Japan aurora hub - Hokkaido forecast and threshold guide.
Northern Lights Kushiro Tonight
Kushiro - eastern Hokkaido wetlands, 100 km west of Nemuro.
Northern Lights Abashiri Tonight
Abashiri - northeast Hokkaido coast, drift ice, Kp 6 threshold.
Northern Lights Alert
Push notifications when Kp 6 is reached - set your threshold.
Japan Northern Lights Guide
Full guide to aurora in Japan - when, where, and realistic expectations.
Common questions
Aurora at Nemuro - Cape Nosappu, eastern Hokkaido circuit, and the Kp 6-7 threshold.