NEPTUNUS
Protected Area
Sprogø og Halsskov Rev
Why dive here
With 95+ marine species recorded in the area - including seals & sea lions, sea turtles and jellyfish lake - NEPTUNUS offers some of North Sea Coast's richest wreck diving. Water ranges 3-19°C, warmest July, August, September.
Diving the Neptunus feels like stepping back into a cold war history book, but underwater. This old dredger, sunk in 1946, is a shallow delight, sitting bolt upright at just 6 meters. We love it because it’s a proper wreck dive without the need for deep diving certs or long deco stops. You can spend a good chunk of your bottom time exploring the skeletal remains, the hull largely intact, draped in green algae and anemones. Visibility here can be a bit of a lottery, typical for the North Sea, but when it’s good, the light penetrates beautifully, illuminating schools of cod that weave through the broken superstructure. Look closely and you’ll find crabs tucked into crevices, and flatfish camouflaged against the sandy seabed near the wreck. Our favourite part? Peeking into what would have been the engine room, a dark maw now home to conger eels. It’s perfect for newer wreck divers or anyone who appreciates a piece of maritime history they can actually explore on a single tank. We'd suggest going at slack tide, as currents can pick up and make finning a bit of a workout.
Typical NEPTUNUS Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
Cold water this month (avg 13°C). Drysuit or thick wetsuit (7mm+) recommended.
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Conditions
Ocean conditions, forecast and tides for NEPTUNUS
NEPTUNUS Ocean Conditions
Monthly averages for NEPTUNUS, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (55.31, 9.86) (1km away)
October Averages
Sea Temperature
13°C
56°F · Range: 10.7–16.8°C
Air Temperature
11°C
52°F
Wind Speed
7.69 m/s
14.9 knots
Atmospheric Pressure
1010.5 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
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