6m
    North Sea Coast, Denmark
    Sprogø og Halsskov Rev

    NEPTUNUS

    Best months: Jul–Aug

    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.

    Best timeJul–Aug
    WetsuitA 5mm wetsuit
    Marine lifeSeals & Sea Lions, Sea Turtles and Jellyfish Lake · 95+ species recorded
    Water3-19°C · warmest July, August, September
    CharacterWreck dive · max 6m

    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

    5mSafety Stop0m6m max~60 min estimated bottom time

    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.

    Today06:3817:2810h 51m daylightGolden hour 16:38

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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)

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    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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