Guernsey
Black Rock
About this Dive Site
Description
Black Rock in Alderney presents a dramatic underwater landscape of cliffs and canyons, creating a haven for a rich variety of marine life. Divers can expect encounters with lobsters, crabs, and numerous fish species in this captivating 35-meter deep site.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 9°C | 9°C | 10°C | 11°C | 13°C | 15°C | 17°C | 18°C | 17°C | 14°C | 12°C | 10°C |
Peak Season
May, June, July, August
May
Seals often seen
Jun
Good for macro life
Jul
Plankton blooms can attract small fish
Aug
Summer diving, good visibility
More monthly highlights
Sep
Autumn colours on kelp
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