Guernsey
Castle Cornet
About this Dive Site
Description
Discover a blend of history and marine biodiversity at Castle Cornet, where submerged remnants of old defenses create an intriguing dive. This site near the historic castle is a haven for various fish species and other marine creatures, offering a glimpse into the past beneath the waves.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10°C | 10°C | 11°C | 12°C | 14°C | 16°C | 18°C | 19°C | 18°C | 16°C | 13°C | 11°C |
Peak Season
July, August, May, June, September
Apr
Early sightings of seals
May
Plankton blooms start, good for macro life
Jun
Abundant marine life, good for wreck diving
Jul
Peak season for visibility and marine life
More monthly highlights
Aug
Warmest water, excellent for all types of diving
Sep
Seals are often seen
Oct
Autumn colors underwater
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