Aurora australis Kaikōura tonight
Kaikōura sits at 52°S magnetic latitude on the Marlborough coast - Kp 5 is the threshold for aurora australis. Ohau Point (25 km north) and the Clarence River mouth (35 km north) give Bortle Class 2–3 dark sky facing the Pacific. The Kaikōura Peninsula gives a convenient south-facing position within town. Kp 5 is a G1 storm - monitor storm watches during active periods. Face south and south-southeast. Peak season: May to August.
Aurora visibility - Kaikōura
Unlikely tonight
Kp 1 is well below the Kp 5 threshold needed for aurora to be visible from Kaikōura.
Current Kp
1
of 9
7-day outlook for Kaikōura
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?
Kaikōura sits at a magnetic latitude of approximately 52°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 5 before the auroral oval expands far enough north to be visible from here.
At Kp 5, visibility is possible from Kaikōura 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 Kaikōura
Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark southern horizon within reach.
Kaikōura Peninsula Walkway, south end
Get directions ↗The southern tip of the Kaikōura Peninsula gives the most southerly ocean-facing position accessible without a long drive. The walkway along the peninsula coastline faces south over the Pacific Ocean. Kaikōura's light dome is to the northwest, leaving the southeast and south sky largely unaffected. At Kp 5, aurora australis appears on the southern horizon from the rocky point at the walkway's southern end. The peninsula restricts some eastern and western horizon angles, but the south-facing ocean view is the most important direction. The walkway is accessible at night - wear appropriate footwear on the rough coastal track.
Ohau Point seal colony area
Get directions ↗A coastal headland 25 km north of Kaikōura, facing east over the Pacific Ocean and southeast toward the open South Pacific. The fur seal colony is at the base of the cliff. The road pull-off gives a clear ocean horizon to the east and southeast. No settlement within 20 km to the north or east. Bortle Class 2-3 conditions from the headland. At Kp 5, aurora australis appears on the southeastern and southern horizon. The combination of ocean exposure and dark sky makes this a better aurora position than the peninsula within Kaikōura itself. Drive north on SH1 from Kaikōura; Ohau Point is clearly signed.
Clarence River mouth and coast
Get directions ↗The Clarence River reaches the Pacific Ocean at a remote, exposed beach 35 km north of Kaikōura. The beach faces east and southeast over open ocean with the Kaikōura Ranges behind. No settlement to the south or east. Bortle Class 2 conditions. The Seaward Kaikōura Range rises behind, creating a dramatic skyline to the west while the ocean horizon to the east and southeast is fully open. At Kp 5, aurora australis appears on the southeastern horizon and may extend toward south-southeast on stronger nights. Access via SH1 north then a short unsealed section - standard vehicle in dry conditions.
Best time to see the aurora australis in Kaikōura
At 52°S magnetic latitude, Kaikōura 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.
Other New Zealand aurora forecasts
← New Zealand overviewCompare nearby locations
Up to 4 locations
How often does aurora appear in Kaikōura?
Average nights per month when Kp reaches 5+ - based on 15 years of data
Best month
March
Average aurora nights per year
16
Kp threshold
5+
Based on 15 years of geomagnetic data (2010-2024). Shows nights when Kp reached 5+ 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 Kaikōura
Based on 15 years of geomagnetic data
March
1.6
avg aurora nights
Requires an extended stay
September
1.5
avg aurora nights
Requires an extended stay
October
1.5
avg aurora nights
Requires an extended stay
Best window
The August to October window averages 4 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.
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.
Related pages
Aurora Australis New Zealand
New Zealand aurora hub with current Kp status.
Aurora Australis Christchurch
Christchurch - Lake Tekapo Dark Sky Reserve nearby, Kp 5.
Aurora Australis Nelson
Nelson - Nelson Lakes NP dark sky, Kp 6.
Aurora Australis Timaru
Timaru - South Canterbury coast, Kp 4.
What Is the Kp Index?
How Kp 5 produces aurora australis at 52°S magnetic.
Aurora photographs from Kaikōura

Aurora australis over Kaikōura
Crew Earth Observations team at Johnson Space Center · Public domain · Source

Aurora australis over Kaikōura

Aurora australis over Kaikōura

Aurora australis over Kaikōura
Maple Doctor · CC0 · Source

Aurora australis over Kaikōura

Aurora australis over Kaikōura
Common questions
Aurora australis from Kaikōura - Ohau Point, Clarence River, and when Kp 5 is required.