Live aurora forecast

Northern lights in Lahemaa National Park tonight

Northern Estonia · 60° magnetic latitude · Kp 3 threshold

Aurora visibility · Lahemaa National Park
1/9
Unlikely tonight

Kp 1 is well below the Kp 3 threshold needed for aurora to be visible from Lahemaa National Park.

QuietStormExtreme
Threshold
Kp 3
Magnetic latitude
~60°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 3 Jul, 15:31 UTC

7-day outlook for Lahemaa National Park

Today
3 Jul
1
Quiet
Tomorrow
4 Jul
3
Possible
Sun
5 Jul
3
Possible
Mon
6 Jul
3
Possible
Tue
7 Jul
3
Possible
Wed
8 Jul
3
Possible
Thu
9 Jul
3
Possible

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

auroratonight.space

What Kp is needed here?

Lahemaa National Park sits at a magnetic latitude of approximately 60°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 3 before the auroral oval expands far enough south to be visible from here.

At Kp 3, visibility is possible from Lahemaa National Park 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 Lahemaa National Park

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

Käsmu peninsula

Get directions ↗
Bortle Class 2 - Excellent dark sky 60 km east of Tallinn - approximately 50 minute drive

The Käsmu peninsula juts north into the Gulf of Finland from the Lahemaa coast. The fishing village of Käsmu sits at the tip with a small harbour facing directly north. Walk 5 minutes from the village and the coast opens onto a north-facing boulder beach with no development visible in any direction. Bortle Class 2 conditions make this one of the darkest coastal positions accessible by road in the Baltic states.

Viru bog boardwalk

Get directions ↗
Bortle Class 2-3 - Excellent dark sky 65 km east of Tallinn - approximately 1 hour drive

A raised boardwalk over an open raised bog gives a 360-degree horizon with no buildings, trees, or roads visible from the centre. The bog reflects cloud and aurora light from the flat water surface between raised peat islands. There is no artificial light visible in any direction on clear nights. The boardwalk is accessible year-round - boots are needed as it can be icy in winter.

Altja fishing village

Get directions ↗
Bortle Class 2 - Excellent dark sky 75 km east of Tallinn - approximately 1 hour 20 minute drive

A historically preserved Estonian fishing village with a north-facing coast and dark forest surroundings. The beach north of the village looks directly across the Gulf of Finland. The traditional wooden net sheds and fishing equipment provide unusual foreground for aurora photography. Light pollution from any town is blocked by the Lahemaa forest on all sides except the sea.

When to go

Best time to see the northern lights in Lahemaa National Park

Lahemaa National Park'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 Lahemaa National Park'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.

Up to 8 locations

Unlikely
Kp 1 need Kp 3
Checking darkness…
Tallinn

Estonia

Unlikely
Kp 1 need Kp 3-4
Checking darkness…
The odds

How often does the aurora appear in Lahemaa National Park?

Average nights per month the Kp reached Lahemaa National Park's threshold of 3+, from 15 years of geomagnetic data (2010–2024).

10.2Jan
11.2Feb
13.6Mar
9.6Apr
0May
0Jun
0Jul
5.1Aug
13.2Sep
12.8Oct
10.3Nov
9.3Dec

Counts the Kp 3+ 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 Lahemaa National Park

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

1st
March
13.6
avg aurora nights
Stay 3+ nights for 80% chance
2nd
September
13.2
avg aurora nights
Stay 3+ nights for 80% chance
3rd
October
12.8
avg aurora nights
Stay 4+ nights for 80% chance

Best window

The September to November window averages 36 aurora nights - the strongest consecutive stretch of the year.

How long to stay

For your best chance in March, plan at least 3 nights.

From the community

Aurora photographs from Lahemaa National Park

Real photos sourced from Wikimedia Commons.

Aurora over Lahemaa National ParkAurora over Lahemaa National Park
Aurora over Lahemaa National ParkAurora over Lahemaa National Park
Aurora over Lahemaa National ParkAurora over Lahemaa National Park
Aurora over Lahemaa National ParkAurora over Lahemaa National Park
Questions

Common questions about aurora in Lahemaa National Park

Is Lahemaa the best place in Estonia for aurora?
Yes. Lahemaa is the strongest accessible aurora position from Tallinn. The north coast faces the Gulf of Finland at 60°N magnetic latitude. Käsmu and Altja give Bortle 2 sky with open sea horizons facing directly north. The Paldiski Peninsula west of Tallinn is closer - 50 km versus 70 km - but Lahemaa is larger and darker. For anyone willing to drive 70-80 km from Tallinn, Lahemaa offers the best combination of darkness, north-facing coast, and accessible dark sky sites in Estonia.
What Kp is needed for aurora in Lahemaa?
Kp 3 from the coast. The Kp index is a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours. Lahemaa at 60°N magnetic latitude sits at the same threshold as Bergen in Norway - Kp 3-4 brings aurora to the north coast as a green arc on the horizon. At Kp 5 (a G1 storm), active curtains are possible from the best dark positions. Aurora has been photographed from Käsmu at Kp 3-4 multiple times during the current solar cycle.
How do I get from Tallinn to Lahemaa?
The park is 65-80 km east of Tallinn on the E20/A1 motorway, then north on the 25 road. Drive time from central Tallinn to Käsmu is around 50-60 minutes. There is no regular public transport to the dark sky sites within the park at night - a hire car is essential. The village of Käsmu has limited parking near the harbour; arrive before dark to identify your watching position.
What Bortle class is Lahemaa National Park?
Bortle Class 2 at the coastline, one of the darkest accessible positions in the Baltic region. The Bortle scale runs from 1 (the darkest sky in the world, found only in remote wilderness) to 9 (inner city). Class 2 is described as a truly dark sky - the Milky Way is clearly visible, and faint nebulae are detected with the naked eye. For a location less than 80 km from Tallinn (population 450,000), this is exceptional and a result of the park's minimal development and north-facing coastal position.
When is aurora season in Lahemaa?
September to April. Estonia has adequate dark nights across these months, with October, February, and March offering the best balance of darkness and clear-sky probability. The Gulf of Finland coast can be foggy in autumn. The clearest periods are often during cold continental high-pressure systems in February and March. Monitor NOAA space weather alerts for Kp 3+ activity and the Estonian Meteorological and Hydrological Institute (EMHI) cloud forecasts.
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