5-20m
    North Sea Coast, Denmark
    L

    Yderrevet

    Best months: Jul–Aug

    Protected Area

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    Why dive here

    With 95+ marine species recorded in the area - including seals & sea lions, sea turtles and jellyfish lake - Yderrevet offers some of North Sea Coast's richest reef 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
    CharacterReef dive · max 5-20m

    Yderrevet in the North Sea is a spot we’ve come back to a few times, mainly for the sheer volume of life you find on what is essentially a rocky outcrop in pretty challenging conditions. Forget your tropical reefs; this is cold-water diving at its most invigorating. What hits you first is the sheer number of feathery inhabitants above the surface – Common Eider, scoters, Guillemots, they’re all here, often diving around you before you even get in. Underwater, it's a different world. The reef itself is more of a bedrock and boulder system, but it’s absolutely encrusted with anemones and sponges. Visibility here can be a game of chance, but on a good day, it opens up to 10-15 metres, revealing thick schooling Pollock and fat lumpsuckers clinging to the rocks. We often spot northern stone crabs scuttling amongst the crevices and the occasional ancient ocean quahog burrowed into the sand nearby. The currents can be quite strong, so it’s definitely one for experienced divers who are comfortable in a bit of a washing machine. Best dived on a slack tide, if you can time it right, to really appreciate the smaller details. It’s wild, rugged, and wonderfully untamed.

    Typical Yderrevet Dive Profile

    5mSafety Stop0m5m 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

    Cold water this month (avg 13°C). Drysuit or thick wetsuit (7mm+) recommended.

    Today06:3817:2710h 49m daylightGolden hour 16:36

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    Conditions

    Ocean conditions, forecast and tides for Yderrevet

    Yderrevet Ocean Conditions

    Monthly averages for Yderrevet, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (55.31, 9.86) (1km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    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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