

Best for beginner divers, 10-20m, shore entry, mild current.
Holnis is a shore-entry reef dive located in the Flensburg Fjord, Northern Germany. The site reaches depths between 10 and 20 metres and is suitable for beginners due to the mild currents. Visibility typically ranges from 5 to 10 metres. Water temperatures are cool, fluctuating between 4 and 15 degrees Celsius throughout the year, necessitating the use of a drysuit or thick wetsuit. As facilities are not confirmed at this location, divers should plan to be self-sufficient with all necessary air and equipment. The site provides a calm environment for those building their open-water confidence.
54.87660, 9.61343
Water temperature here drops to around 4 degrees Celsius in winter, so pack appropriate thermal protection even for a summer visit as conditions can shift quickly. Facilities at the site are not confirmed, so check locally before you go and plan to be self-sufficient with air and equipment.
The peninsula is accessible via a dam. Some areas are protected and restricted from entry.
Expected in this region. No sightings logged here yet.
Depth
10-20m
Visibility
5-10m
Skill Level
Beginner
Entry
Shore
Water Temp
4-15°C
Current
Mild
Yes, the site is suitable for beginners as it features mild currents and a manageable reef structure.
The site reaches depths between 10 and 20 metres.
Holnis is a shore-entry dive site.
Water temperatures range from 4 degrees Celsius in February to 15 degrees Celsius in August.
A drysuit recommended is recommended for diving at Holnis in Glücksburg. Water temperatures range from 4°C to 15°C.