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Aurora australis Fiordland tonight

Fiordland sits at 58°S magnetic latitude - New Zealand's lowest aurora threshold after Stewart Island. Kp 3 is sufficient from south-facing positions. Milford Sound and Doubtful Sound offer some of the most dramatic fjord landscapes on earth as aurora foregrounds. The primary obstacle is Fiordland's rainfall: the west-facing coast intercepts frontal systems from the Tasman Sea and receives among the highest annual rainfall in New Zealand. Clear windows come and go - check weather forecasts closely. Peak season: May to August.

Aurora visibility - Fiordland

Unlikely tonight

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

Current Kp

of 9

Threshold for Fiordland: Kp 3 Magnetic latitude: ~58°S Updated: 19 May, 12:02 UTC

↓ Bz — nT Solar wind — km/s Density — p/cm³ ☁ —%

Conditions right now: — Kp + Bz + solar wind + cloud + moon

7-day outlook for Fiordland

Today

19 May

Quiet

Tomorrow

20 May

Quiet

Thu

21 May

Quiet

Fri

22 May

Quiet

Sat

23 May

Quiet

Sun

24 May

Quiet

Mon

25 May

Quiet

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

What Kp is needed here?

Fiordland sits at a magnetic latitude of approximately 58°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 3 before the auroral oval expands far enough north to be visible from here.

At Kp 3, visibility is possible from Fiordland 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 Fiordland

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

Te Anau lakefront

Get directions ↗

Bortle Class 2–3 - Excellent dark sky 1 km from Te Anau town - approximately 10 minute walk

Te Anau is the gateway town for Fiordland and sits on the eastern shore of Lake Te Anau. The western shore faces a wilderness of uninhabited fiordland - no roads or settlements exist on the far side for 100 km. The lakefront south of the town gives a south-facing position across dark water. The Te Anau basin is significantly drier than Milford Sound, making it more likely to have clear skies on a given night. A practical base for Fiordland aurora watching.

Milford Sound fiord

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Bortle Class 1–2 - Exceptional dark sky 120 km northwest of Te Anau - approximately 2 hour drive

Milford Sound is a 16 km-long fjord with sheer walls rising 1,200 m above the water. At night the sound is completely dark - even the small lodge at Piopiotahi has minimal lighting. The water faces south-southwest between the cliff walls. Aurora australis visible between the walls of Mitre Peak and the opposite bluff offers one of the most dramatic enclosed landscapes for aurora in the southern hemisphere. Accessible by the Milford Road (SH94) or by overnight cruise.

Doubtful Sound

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Bortle Class 1 - Exceptional dark sky accessible only by boat from Manapouri - 2.5 hour round trip

Deeper and more remote than Milford Sound, Doubtful Sound is a 40 km fjord system accessible only via a boat from Manapouri and a coach over Wilmot Pass. Three times the length of Milford Sound with no overnight lodge on the fiord itself. Complete darkness from the water. Aurora australis from a boat anchored in the sound, surrounded by 1,000 m walls with no artificial light visible, is an extraordinary experience. Overnight cruises operate year-round.

Best time to see the aurora australis in Fiordland

Fiordland'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.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

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.

Other New Zealand aurora forecasts

← New Zealand overview

Queenstown

Unlikely

Remarkables range, dark sky south of town

~56°S mag. lat. Kp 4-5

Stewart Island

Unlikely

Rakiura, NZ's southernmost inhabited island

~59°S mag. lat. Kp 3-4

Wānaka

Unlikely

Lone willow tree, Lake Wānaka

~56°S mag. lat. Kp 4

Aurora Australis New Zealand

New Zealand aurora hub.

Aurora Australis Stewart Island Tonight

Stewart Island - NZ's lowest Kp threshold at 59°S.

Aurora Australis Queenstown Tonight

Queenstown - Remarkables dark sky, 2 hours northeast.

Aurora Australis Wānaka Tonight

Wānaka - Lake Wānaka and the lone willow foreground.

What Is the Kp Index?

How Kp 3 produces aurora australis at 58°S.

Common questions

Aurora australis in Fiordland - Te Anau, Milford Sound, Doubtful Sound, and when to go.

Can you see aurora australis from Fiordland?

Yes. At 58°S magnetic latitude, Fiordland has one of the lowest aurora thresholds in New Zealand - only Stewart Island sits further south. Kp 3 is sufficient for aurora australis from south-facing positions. Te Anau gives practical access to a south-facing dark sky most nights of the year. Milford Sound and Doubtful Sound produce completely dark skies with dramatic fjord walls as foreground. Aurora australis has been photographed from Milford Sound multiple times during the current solar cycle.

What Kp is needed at Fiordland?

Kp 3 from south-facing dark sites. At 58°S magnetic latitude, Fiordland sits inside the auroral oval during moderate geomagnetic activity. Te Anau lakefront shows aurora at Kp 3-4 on a clear night. Milford Sound and Doubtful Sound, with Bortle Class 1-2 skies and no surrounding light pollution, may show a faint glow at Kp 3. Kp 4+ produces clear aurora visible to the naked eye from any dark site in the region.

Is weather always a problem in Fiordland?

Fiordland receives among the highest annual rainfall in New Zealand. Milford Sound averages around 6,000–7,000 mm per year - one of the wettest places in the country. Fronts from the Tasman Sea arrive frequently, and the fiords can be socked in for days at a time. Te Anau is significantly drier, sitting in a partial rain shadow, and represents the most reliable base in the region. Check MetService forecasts for the Fiordland area and the Milford Sound webcam before committing to the drive. Clear nights exist - they require patience.

Can I see aurora from a Milford Sound cruise?

Yes. Overnight cruises on Milford Sound operate year-round and anchor in the fiord at night. The sound is completely dark after the day cruises leave. Aurora australis from the deck of an anchored vessel, with the Mitre Peak silhouette against the sky, is one of the more unusual ways to see the southern lights. Real Journeys and Fiordland Expeditions both run overnight cruises. The enclosed fiord means aurora is visible looking south-southwest between the walls. Check aurora forecasts before booking if aurora is your primary goal.

Is Te Anau or Milford Sound better for aurora watching?

Te Anau is the more reliable base. It has more accommodation, better weather statistics, and a south-facing lakefront that gives good access to a dark sky within walking distance of town. Milford Sound has dramatically darker skies and more dramatic scenery but requires a 2-hour drive on a winding mountain road (sometimes closed in winter), and its weather is far less predictable. The practical approach is to base yourself in Te Anau, watch forecasts, and make the drive to Milford Sound when both the aurora and weather look favourable.

Aurora australis Fiordland tonight

7-day outlook for Fiordland

What Kp is needed here?

Best dark sky sites near Fiordland

Best time to see the aurora australis in Fiordland

Other New Zealand aurora forecasts

Related pages

Common questions

Photograph the Aurora - Recommended Gear