Reef Explorers

Scapa Flow (Orkney)

Diving in United Kingdom

12 documented dive sites, 3 of them for Open Water divers. Known for seals, pollack and crustaceans.

Best months
Jun–Sep
Water
8–14 °C
Levels
Open Water, Advanced, Experienced, Technical
Nearest airport
KOI

When to go

Pick a month: the diving season, from published sources, and the typical weather.

Pick a month

  • Best
  • Good
  • Possible
  • Closed
  • Not documented yet

Scapa Flow (Orkney) in October

Good season
Sea
13 °C
at the surface
Air
12 °C
9 °C at night
Rain
130 mm
one of the wettest months
Wind
25 km/h
on average

Typical weather, not a forecast: averages for 2021–2025 (air, rain, wind) and 2023–2025 (sea), data from Open-Meteo (ERA5 / Copernicus, Météo-France). Covers an area of roughly 10 to 25 km around the destination.

Operators' season runs from Easter/April to October (early November). June–September is shown as best (warmest water), April, May and October as good, and the other months as possible. No source says diving stops in winter; one source notes visibility is clearest December–April on the Tabarka.

Source: padi.com

Marine life

When the big encounters happen, month by month.

Reported here, season not documented yet:

  • Seals
  • Pollack
  • Crustaceans
  • Starfish and urchins
  • Conger eel
  • Reef fish
  • Corals
  • Cod
  • Jellyfish
  • Basking sharks
  • Dolphins
  • Nudibranchs
  • Octopus
  • Squid

Where is Scapa Flow (Orkney)?

View on OpenStreetMapLocation: Scapa Flow (Wikipedia)Map: Natural Earth
Nearest airport
KOI

Scapa Flow (Orkney): frequently asked questions

When is the best time to dive Scapa Flow (Orkney)?
The best months to dive Scapa Flow (Orkney) are Jun–Sep. Operators' season runs from Easter/April to October (early November). June–September is shown as best (warmest water), April, May and October as good, and the other months as possible. No source says diving stops in winter; one source notes visibility is clearest December–April on the Tabarka.
Is Scapa Flow (Orkney) good for beginner divers?
Yes, partly: 3 of the 12 dive sites we document are suited to Open Water divers, including Churchill Barrier 2 blockships, F2 & YC21 and Churchill Barrier 3 blockships. The others need more experience or a higher certification.
What is the water temperature in Scapa Flow (Orkney)?
The water is usually between 8 °C and 14 °C over the year.
What marine life can you see in Scapa Flow (Orkney)?
Divers regularly see seals, pollack, crustaceans, starfish and urchins, conger eel and reef fish.
How do you dive Scapa Flow (Orkney)?
The nearest airport is KOI.

About this page

Seasons and marine life come from the sources below. Site levels and depths marked as estimated come from our original catalogue and are being checked one by one. Conditions change: always confirm with a local dive centre.

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Photo: Sarah Lee on Unsplash
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