Live aurora forecast

Northern lights in Sutherland tonight

Northern Cape, South Africa · 43° magnetic latitude · Kp 7–8 threshold

Aurora visibility · Sutherland
1/9
Unlikely tonight

Kp 1 is well below the Kp 7–8 threshold needed for aurora to be visible from Sutherland.

QuietStormExtreme
Threshold
Kp 7–8
Magnetic latitude
~43°S
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 25 Jun, 18:59 UTC

7-day outlook for Sutherland

Today
25 Jun
1
Quiet
Tomorrow
26 Jun
3
Quiet
Sat
27 Jun
3
Quiet
Sun
28 Jun
3
Quiet
Mon
29 Jun
3
Quiet
Tue
30 Jun
3
Quiet
Wed
1 Jul
3
Quiet

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

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What Kp is needed here?

Sutherland sits at a magnetic latitude of approximately 43°S. 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 7–8 before the auroral oval expands far enough north to be visible from here.

At Kp 7–8, visibility is possible from Sutherland 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 Sutherland

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

South African Astronomical Observatory (SAAO)

Get directions ↗
Bortle 1–2 500 km / 5–6 hours from Cape Town

The SAAO Sutherland site sits at 1798 m on the Roggeveld Plateau in the Karoo. It is operated by the South African Astronomical Observatory, a national facility. The site hosts the Southern African Large Telescope (SALT) - the largest optical telescope in the southern hemisphere. The high altitude, low humidity, and minimal light pollution (Bortle 1-2) make this one of the best astronomical sites on Earth. The SAAO runs public nights and tours. During major geomagnetic storms, the site gives an exceptional aurora australis viewing position.

Tankwa Karoo National Park

Get directions ↗
Bortle 1 400 km / 4–5 hours from Cape Town

A remote national park in the Great Karoo, about 100 km northwest of Sutherland. The flat semi-desert landscape gives 360-degree sky access with zero light pollution. The park has limited facilities and rough access roads but gives some of the darkest skies in Africa. At 1000-1200 m elevation and hundreds of kilometres from any city, Bortle 1 conditions are achievable. The park is designated as a potential Dark Sky Reserve. During extreme geomagnetic storms, aurora australis extending to the south and southeast horizon would be visible from here.

Sutherland town surroundings

Get directions ↗
Bortle 2 500 km / 5–6 hours from Cape Town

The town of Sutherland itself (population ~2800) has minimal light pollution and the surrounding Roggeveld Plateau is flat and open. Driving 2-5 km south of town on the R354 gives dark sky positions with south-facing horizon across the Karoo. At 1450 m elevation and with no significant settlements for 60 km in any direction, Sutherland's immediate surroundings give usable aurora conditions without travelling to the SAAO site.

When to go

Best time to see the aurora australis in Sutherland

At 43°S magnetic latitude, Sutherland sits at the outer edge of regular aurora australis territory. Only the southern winter months, May through July, occasionally bring storms powerful enough to push the oval this far north. Outside this window, there is insufficient darkness for aurora to be visible.

Activity peaks around the March and September equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. These windows produce the strongest aurora australis events of the year for observers at this latitude.

Outside May through July, twilight prevents aurora visibility even during significant geomagnetic storms. The season is short, but equinox months on either side of winter can extend it when timing is favourable.

Up to 8 locations

Sutherland

South Africa

Unlikely
Kp 1 need Kp 7-8
Checking darkness…
Cape Town

South Africa

Unlikely
Kp 1 need Kp 7-8
Checking darkness…
The odds

How often does the aurora appear in Sutherland?

Average nights per month the Kp reached Sutherland's threshold of 7+, from 15 years of geomagnetic data (2010–2024).

0.1Jan
0.1Feb
0.1Mar
0.1Apr
0.1May
0.1Jun
0.1Jul
0.1Aug
0.1Sep
0.1Oct
0.1Nov
0.1Dec

Counts the Kp 7+ 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 Sutherland

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

1st
January
0.1
avg aurora nights
Requires an extended stay
2nd
February
0.1
avg aurora nights
Requires an extended stay
3rd
March
0.1
avg aurora nights
Requires an extended stay

Best window

The January to March window averages 0 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 January.

Aurora activity peaks at the March and September equinoxes in both hemispheres. This is driven by the angle of Earth's magnetic field relative to the solar wind, not by local seasons. Winter months at this latitude offer longer dark nights for observing, but March and September average the highest number of aurora nights in the historical data.

From the community

Aurora photographs from Sutherland

Real photos sourced from Wikimedia Commons.

Aurora over Sutherland Aurora over Sutherland
Aurora over Sutherland Aurora over Sutherland
Aurora over Sutherland Aurora over Sutherland
Aurora over Sutherland Aurora over Sutherland
Questions

Common questions about aurora in Sutherland

Can you see aurora australis from Sutherland?
Yes, during extreme geomagnetic storms. Sutherland at 43°S magnetic latitude and 1798 m elevation needs Kp 7-8. The G5 storm of May 2024 produced aurora australis visible from the SAAO site and reported across the Northern Cape Karoo. The combination of extreme dark sky (Bortle 1-2), high elevation, and clear Karoo air makes Sutherland the best aurora viewing position in South Africa for events that do occur.
What is the South African Astronomical Observatory at Sutherland?
The SAAO Sutherland site is the primary observing facility for South African astronomy, operated by the National Research Foundation. It hosts the Southern African Large Telescope (SALT), a 10-metre class instrument that is the largest optical telescope in the southern hemisphere. The site was chosen for its exceptional seeing conditions - over 300 clear nights per year, low humidity, and 1798 m elevation above the Karoo. The SAAO operates public nights and stargazing tours from the site, making it accessible to aurora chasers who want to combine dark sky access with professional infrastructure.
What Kp is needed for aurora in Sutherland?
Kp 7-8 from the SAAO site and surrounding Karoo plateau. At 43°S magnetic latitude, Sutherland needs G3-G4 geomagnetic activity. This is marginally better than Cape Town (42°S) due to the higher magnetic latitude and significantly better due to the extreme dark sky. During the G5 storm of May 2024, Sutherland confirmed aurora australis sightings from astronomers at the SAAO - one of the clearest verification points for South African aurora during that event.
How do you get to Sutherland for aurora watching?
Sutherland is 500 km from Cape Town via the N1 north to Matjiesfontein then the R354 east, or via Calvinia. The drive takes 5-6 hours. The town has basic accommodation and the SAAO offers overnight stays on public night bookings. The R354 is a good tar road. For aurora watching, the combination of the long drive and extreme Kp requirement (7+) means Sutherland is a destination for serious aurora chasers responding to a specific G4-G5 storm forecast.
How does Sutherland compare to Cape Town for aurora?
Sutherland is significantly better for aurora watching than Cape Town. The dark sky (Bortle 1-2 vs Bortle 4-5 for Cape Point) means aurora is visible at lower brightness thresholds. The elevation (1798 m vs sea level) reduces atmospheric haze. The magnetic latitude is marginally further south (43°S vs 42°S). The main disadvantage is distance - 500 km from Cape Town vs Cape Point which is 60 km. For a planned aurora chase responding to a verified G4-G5 storm, Sutherland is the correct choice.
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