Northern lights Cape Kolka tonight
Cape Kolka sits at 58°N magnetic latitude, where the Gulf of Riga meets the open Baltic. Kp 4 is the threshold from this north-facing coast. Part of Slītere National Park, the cape has Bortle Class 2 sky with no development in any direction. Latvia's best aurora position, 180 km from Riga. Best season: September to April.
Aurora visibility - Cape Kolka
Unlikely tonight
Kp 1 is well below the Kp 4 threshold needed for aurora to be visible from Cape Kolka.
Current Kp
1
of 9
7-day outlook for Cape Kolka
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?
Cape Kolka sits at a magnetic latitude of approximately 58°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 4 before the auroral oval expands far enough south to be visible from here.
At Kp 4, visibility is possible from Cape Kolka 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 Cape Kolka
Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.
Cape Kolka point
Get directions ↗The northernmost tip of the Courland Peninsula where the Gulf of Riga meets the open Baltic. The cape is completely undeveloped - no buildings within several kilometres. The coast faces north over the open Baltic Sea with no land obstruction between the cape and the Scandinavian coast. One of the darkest positions accessible by road anywhere in the Baltic states.
Kolka village beach
Get directions ↗The beach north of Kolka village gives a north-facing flat horizon over the Baltic. The village has minimal lighting - a small fishing settlement with traditional wooden buildings. The beach is accessible on foot from the village car park and gives a clean aurora horizon. Slightly less isolated than the cape tip itself but more practical for extended watching sessions.
Slītere lighthouse
Get directions ↗An elevated position on the ancient sea cliff above the Slītere National Park coast. The lighthouse itself is a historic structure and gives a dark forest surround with views over the Baltic. The elevated position - around 30 m above the coastline - gives a cleaner northern horizon than beach-level positions and avoids sea fog that can settle low on the coast.
Best time to see the northern lights in Cape Kolka
Cape Kolka's aurora season runs from late September through to March, when nights are long enough for truly dark skies. The equinox months, September and March, bring a natural boost in geomagnetic activity, making them statistically the best of the season. Summer months bring too much twilight for aurora to be visible at this latitude.
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 Cape Kolka's latitude.
April through August brings persistent astronomical twilight that washes out aurora completely. Even strong events (Kp 6+) remain invisible during this period because the sky never gets dark enough.
Related pages
Northern Lights Latvia
Latvia aurora hub - Cape Kolka, Riga, and the Baltic coast.
Northern Lights Riga Tonight
Riga - Cape Kolka and Gauja National Park, Kp 4-5.
Northern Lights Estonia
Estonia aurora - Lahemaa and Tallinn, Kp 3-4.
What Is the Kp Index?
What Kp 4 means for aurora at 58°N magnetic latitude.
Tips for Viewing the Northern Lights
How to plan an aurora watch and choose dark sites.
Common questions
Northern lights from Cape Kolka - Slītere National Park, Kp thresholds, and aurora in Latvia.
