All locations Australia Devonport

Aurora australis Devonport tonight

Devonport sits at 52°S magnetic latitude in northern Tasmania - Australia's premier aurora state. Kp 4 is the threshold, with Cradle Mountain 90 minutes south and Leven Canyon under an hour away. Tasmania's lower Kp requirement and longer dark season make it a different category from mainland aurora locations. Face south from any dark position. Peak season: May to August.

Aurora visibility - Devonport

Unlikely tonight

Kp 1 is well below the Kp 4 threshold needed for aurora to be visible from Devonport.

Current Kp

1

of 9

Threshold for Devonport: Kp 4 Magnetic latitude: ~52°S Updated: 28 May, 19:47 UTC
↓ Bz nT Solar wind km/s Density p/cm³
Conditions right now: Kp + Bz + solar wind + cloud + moon

7-day outlook for Devonport

Today

28 May

Quiet

Tomorrow

29 May

Quiet

Sat

30 May

Quiet

Sun

31 May

Quiet

Mon

1 Jun

Quiet

Tue

2 Jun

Quiet

Wed

3 Jun

Quiet

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

What Kp is needed here?

Devonport 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 4 before the auroral oval expands far enough north to be visible from here.

At Kp 4, visibility is possible from Devonport 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 Devonport

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

Cradle Mountain

Get directions ↗
Bortle Class 1-2 - Exceptional dark sky 90 km south of Devonport - approximately 90 minute drive

Cradle Mountain in the Tasmanian Wilderness World Heritage Area is Tasmania's signature aurora australis location. Dove Lake at the base of the mountain faces south-southwest with the serrated ridge reflected in still water. Bortle Class 1-2 conditions. The drive from Devonport takes around 90 minutes on the Claude Road through Sheffield and Wilmot. Kp 4 is the threshold at 52-54°S magnetic latitude. Dove Lake boatshed is the benchmark foreground - reach it via the 15-minute walk from the car park on the marked track. Ice on the track is possible in winter. Cradle Mountain is the natural first destination for any aurora event during a Devonport stay.

Leven Canyon

Get directions ↗
Bortle Class 2-3 - Excellent dark sky 55 km south of Devonport - approximately 55 minute drive

A deep gorge in the Leven Canyon Reserve near Gunns Plains, south of Ulverstone. The lookout gives elevated views over rainforest canopy. At night the surrounding area is dark - small farms and no towns nearby. The southern sky is visible from the canyon rim. Less dramatic than Cradle Mountain as an aurora foreground but significantly closer to Devonport and with Bortle Class 2-3 conditions. The drive south from Devonport via Ulverstone takes under an hour on sealed roads. A practical option for checking aurora activity before committing to the longer Cradle Mountain drive.

Lake Barrington

Get directions ↗
Bortle Class 2-3 - Excellent dark sky 45 km south of Devonport - approximately 45 minute drive

A reservoir in the Mersey-Forth hydroelectric system, surrounded by farmland and low hills south of Devonport. The lake surface gives water reflections when calm, with open southern sky above the far shore. The surrounding area is rural and quiet at night. Access via the B14 and C140 roads south from Devonport through Railton. Bortle Class 2-3 conditions. The lake's south-facing shoreline gives a practical dark sky position that is much closer than Cradle Mountain. Combined with Kp 4 threshold, Lake Barrington is a realistic quick-response option when aurora is forecast on short notice.

Best time to see the aurora australis in Devonport

Devonport's aurora australis season runs from April through August, centred on the southern winter when nights are longest and darkest. The equinox months of March and September bring a boost in geomagnetic activity. Summer months bring too much twilight for aurora to show at this latitude.

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.

October through February brings persistent twilight that washes out the aurora australis. Strong events during these months remain invisible because the sky never gets dark enough.

Compare nearby locations

Up to 4 locations

Devonport

Australia

Unlikely
Kp 1 need Kp 4
Checking darkness…
Cradle Mountain

Australia

Unlikely
Kp 1 need Kp 5
Checking darkness…
Launceston

Australia

Unlikely
Kp 1 need Kp 5-6
Checking darkness…

How often does aurora appear in Devonport?

Average nights per month when Kp reaches 4+ - based on 15 years of data

3.9
4.2
5.2
4.7
4.0
3.4
3.8
4.7
5.0
4.8
3.9
3.5
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Best month

March

Average aurora nights per year

51

Kp threshold

4+

Based on 15 years of geomagnetic data (2010-2024). Shows nights when Kp reached 4+ 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 Devonport

Based on 15 years of geomagnetic data

1st

March

5.2

avg aurora nights

Stay 9+ nights for 80% chance

2nd

September

5.0

avg aurora nights

Stay 9+ nights for 80% chance

3rd

October

4.8

avg aurora nights

Stay 10+ nights for 80% chance

Best window

The August to October window averages 15 aurora nights - the strongest consecutive stretch of the year.

How long to stay

For your best chance in March, plan at least 9 nights.

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.

Aurora photographs from Devonport

Aurora australis over Devonport

Aurora australis over Devonport

Tygadu55 · CC BY 3.0 · Source

Aurora australis over Devonport

Aurora australis over Devonport

User:JarrahTree · CC BY 2.5 au · Source

Aurora australis over Devonport

Aurora australis over Devonport

Wiki ian · CC BY-SA 3.0 · Source

Aurora australis over Devonport

Aurora australis over Devonport

Edoddridge · CC BY-SA 3.0 · Source

Aurora australis over Devonport

Aurora australis over Devonport

NASA · Public domain · Source

Aurora australis over Devonport

Aurora australis over Devonport

Thennicke · CC BY-SA 4.0 · Source

Common questions

Aurora australis from Devonport - Cradle Mountain, Leven Canyon, and when to go.

Can you see aurora australis from Devonport?
Yes. Devonport sits at 52°S magnetic latitude in northern Tasmania - Australia's premier aurora state. Kp 4 is the threshold, which is a moderate geomagnetic event that occurs multiple times per year during solar maximum. The town itself has a light dome, but Cradle Mountain is 90 minutes south and Leven Canyon is under an hour away. Tasmania's advantage over mainland Australia is a lower Kp threshold, a longer dark season, and - particularly in the west - some of the darkest skies in the southern hemisphere.
What Kp is needed for aurora at Devonport?
Kp 4 from dark sky positions south of Devonport. At 52°S magnetic latitude, Devonport is equivalent to Launceston for aurora threshold. Kp 4 events occur 15-20 times per year during solar maximum - significantly more frequently than the Kp 5-7 needed from mainland Australia. This is what makes Tasmania the priority aurora destination in Australia. From Cradle Mountain (Bortle Class 1-2), faint aurora structure may be detectable at Kp 3-4 on camera on exceptionally clear nights.
Is Devonport a good base for aurora chasing in Tasmania?
Yes. The Spirit of Tasmania ferry docks at Devonport, making it the entry point for many mainland visitors to Tasmania. The town has good accommodation and services. Cradle Mountain (90 min), Leven Canyon (55 min), and Lake Barrington (45 min) are all practical drives. Launceston is 100 km east and has additional dark sky options including Ben Lomond. Devonport suits those arriving by ferry who want to head straight to Tasmanian aurora territory.
How does Devonport compare to Hobart for aurora?
Hobart sits at 54°S magnetic latitude and shares a broadly similar threshold to Devonport (52°S). Hobart's advantage is the proximity of Cockle Creek and Bruny Island - southerly positions at 53-54°S that lower the effective threshold slightly. Devonport's advantage is proximity to Cradle Mountain, which has Bortle Class 1-2 sky with south-facing wilderness positions. For the best aurora per event, Cradle Mountain from Devonport or the Hobart south coast positions are comparable. Choose based on where you are staying.
When is the best time for aurora in Devonport?
May to August for the longest dark nights. Tasmania at 41°S geographic has up to 13-14 hours of darkness in mid-winter. The September equinox is statistically the most active geomagnetic period. Northern Tasmania can have better clear-sky conditions than the west coast and should be compared against Hobart and Launceston forecasts when planning. Check BOM cloud forecasts alongside the space weather outlook.

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