Live aurora forecast

Northern lights in Nova Scotia tonight

Nova Scotia, Canada · 51° magnetic latitude · Kp 6 threshold

Aurora visibility · Nova Scotia
6/9
Low chance tonight

Kp 6 is below the threshold for Nova Scotia. Activity would need to rise to Kp 6 before aurora could reach this latitude.

QuietStormExtreme
Threshold
Kp 6
Magnetic latitude
~51°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 5 Jul, 09:17 UTC

7-day outlook for Nova Scotia

Today
5 Jul
6
Possible
Tomorrow
6 Jul
3
Quiet
Tue
7 Jul
3
Quiet
Wed
8 Jul
3
Quiet
Thu
9 Jul
3
Quiet
Fri
10 Jul
3
Quiet
Sat
11 Jul
3
Quiet

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

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What Kp is needed here?

Nova Scotia sits at a magnetic latitude of approximately 51°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 6 before the auroral oval expands far enough south to be visible from here.

At Kp 6, visibility is possible from Nova Scotia 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 Nova Scotia

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

Kejimkujik National Park - Gold Tier Dark Sky Preserve

Get directions ↗
Bortle Class 2 - Excellent dark sky 160 km west of Halifax - approximately 2 hour drive

Kejimkujik National Park holds Gold Tier Dark Sky Preserve status from the Royal Astronomical Society of Canada - one of a handful of such designations in Atlantic Canada. The park's interior lakes and meadows give a clear northern horizon with no artificial lighting for kilometres in every direction. The Dark Sky Preserve infrastructure includes designated stargazing pads and ranger-led programs during peak season. On a Kp 6 storm night, an aurora glow is visible low on the northern horizon from the lakeshores, often clearer on a long-exposure camera than to the eye. The slow-moving Mersey River provides a water foreground for aurora photography.

Cape Breton Highlands National Park

Get directions ↗
Bortle Class 2 - Excellent dark sky 400 km north of Halifax - approximately 4.5 hour drive

Cape Breton Highlands at 46-47°N geographic latitude sits noticeably further north than Halifax, putting its geomagnetic latitude a little above central Nova Scotia and so slightly better positioned. The park's clifftop positions on the Atlantic and Gulf of St. Lawrence sides give open north-facing horizons. Skyline Trail viewpoints face northwest with no settlements visible beyond the highland edge. A strong storm of Kp 6 brings an aurora glow to the park's coastal positions, low on the northern horizon. Combining a Cabot Trail road trip with an aurora forecast watch is the most practical approach for a multi-day visit.

Cape Forchu Lighthouse Area

Get directions ↗
Bortle Class 2 - Excellent dark sky 240 km west of Halifax - approximately 3 hour drive

Cape Forchu on the tip of the Yarmouth peninsula is Nova Scotia's most southwesterly point, giving an open north-facing horizon across the Bay of Fundy toward New Brunswick. The lighthouse area has a clear 270-degree ocean horizon. A Kp 6 storm here produces a low aurora glow over the bay, often easier to catch on a long-exposure camera than by eye. The site faces the same body of water as the Fundy Trail Parkway in New Brunswick, making the cross-bay comparison interesting on shared active nights. Limited facilities - fuel up before the drive to Yarmouth.

When to go

Best time to see the northern lights in Nova Scotia

At 51°N magnetic latitude, Nova Scotia sits at the lower end of regular aurora territory. Only the deep mid-winter months of November through January offer nights dark enough for aurora to be visible, and only then when a significant geomagnetic storm pushes the auroral oval this far south.

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 Nova Scotia's latitude.

Outside November through January, twilight is too bright for aurora viewing even during significant storms. The season is short, but the equinox months on either side of winter can extend it slightly when storm timing aligns.

Up to 8 locations

Nova Scotia

Canada

Low chance
Kp 6 need Kp 6
Checking darkness…
Saint John

Canada

Possible
Kp 6 need Kp 5-6
Checking darkness…
Quebec City

Canada

Possible
Kp 6 need Kp 5
Checking darkness…
The odds

How often does the aurora appear in Nova Scotia?

Average nights per month the Kp reached Nova Scotia's threshold of 6+, from 15 years of geomagnetic data (2010–2024).

0.4Jan
0.4Feb
0.5Mar
0.4Apr
0.4May
0.3Jun
0.4Jul
0.4Aug
0.5Sep
0.4Oct
0.4Nov
0.3Dec

Counts the Kp 6+ 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 Nova Scotia

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

1st
March
0.5
avg aurora nights
Requires an extended stay
2nd
September
0.5
avg aurora nights
Requires an extended stay
3rd
January
0.4
avg aurora nights
Requires an extended stay

Best window

The January to March window averages 1 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.

From the community

Aurora photographs from Nova Scotia

Real photos sourced from Wikimedia Commons.

Aurora over Nova ScotiaAurora over Nova Scotia
Aurora over Nova ScotiaAurora over Nova Scotia
Aurora over Nova ScotiaAurora over Nova Scotia
Aurora over Nova ScotiaAurora over Nova Scotia
Aurora over Nova ScotiaAurora over Nova Scotia
Aurora over Nova ScotiaAurora over Nova Scotia
Questions

Common questions about aurora in Nova Scotia

Can you see the northern lights in Nova Scotia?
Sometimes, during a major geomagnetic storm. Geomagnetic latitude is the latitude measured from Earth's magnetic poles rather than the geographic ones, and it governs how far south the aurora reaches. Central Nova Scotia sits at about 51° geomagnetic latitude, with Cape Breton a little higher to the north. The practical threshold is Kp 6 - a strong storm - seen as a glow low on the northern horizon from a dark site. Kejimkujik National Park holds Gold Tier Dark Sky Preserve status and is the best-equipped aurora site in the province, but darkness does not change the latitude. A long-exposure camera will pick up the glow before the eye does.
What Kp is needed for aurora in Nova Scotia?
Kp 6 from dark sites away from Halifax. The Kp index - a global measure of geomagnetic activity on a 0-9 scale, updated every 3 hours - needs to reach 6 before the auroral oval pushes far enough south to reach about 51° geomagnetic latitude. Kp is an average over three hours, so reaching the threshold is worth checking rather than a guarantee. Cape Breton Highlands sits at a marginally higher geomagnetic latitude than central Nova Scotia. From inside Halifax, city light pollution masks all but the brightest part of such a storm, so head to a dark site and look low on the northern horizon.
What is the best dark sky site in Nova Scotia?
Kejimkujik National Park is the most established aurora observation site in Nova Scotia, with Gold Tier Dark Sky Preserve status from the Royal Astronomical Society of Canada. The park has designated observing areas, lake foregrounds for photography, and ranger programs. Cape Breton Highlands National Park sits at a higher geomagnetic latitude and gives open coastal horizons, but lacks the organised dark sky infrastructure. For a single-night trip from Halifax, Kejimkujik is the target; for a multi-day road trip, Cape Breton adds a small northern horizon advantage.
What is the best season for aurora in Nova Scotia?
Aurora here is storm-driven, not seasonal. It depends on a strong geomagnetic storm reaching this latitude, which can happen at any time of year. Winter's only real edge is longer dark nights. The province has a maritime climate, and fog and coastal cloud are a regular obstacle year-round, so check the cloud forecast as well as the storm forecast. Inland sites like Kejimkujik clear more reliably than the coastal headlands. There is no reliable aurora season to plan around - watch the live storm forecast and head out when a Kp 6 event is predicted. An extreme storm on the scale of the May 2024 G5 event is the kind of occasion that brings the aurora well into reach.
How does Nova Scotia compare to New Brunswick for aurora?
Nova Scotia and New Brunswick share similar geomagnetic latitudes and Kp thresholds. Nova Scotia's advantage is Kejimkujik National Park - a Gold Tier Dark Sky Preserve with better infrastructure than anything immediately outside Saint John. Cape Breton Highlands sits at a slightly higher latitude than the Bay of Fundy sites. For a visitor combining aurora with other activities, Nova Scotia offers more variety (Cabot Trail, Kejimkujik) than the Fundy coast of New Brunswick.
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