100m
    Dahab, Egypt
    محمية نبق

    Blue Hole

    Best months: Jun–Oct

    Protected Area

    محمية نبق

    Why dive here

    Blue Hole is a cenote dive where divers can encounter dolphins, spinner dolphins and whale sharks. Water ranges 21-29°C, warmest July, August, September.

    Best timeJun–Oct
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeDolphins, Spinner Dolphins and Whale Sharks
    Water21-29°C · warmest July, August, September
    CharacterCenote dive · max 100m

    The Blue Hole, just north of Dahab, is more than a big sinkhole, it's a rite of passage for many Red Sea divers. You start with an easy entry from the shore, finning over a shallow reef teeming with fusiliers before descending into the deep blue abyss. The dramatic vertical walls drop to 100 meters, creating an almost cathedral-like feel, and you’ll often spot Indian Ocean bottlenose dolphins cruising the edges. We like to cross the saddle, a shallow coral garden that connects the hole to the open sea, before re-entering the main cavern. Keep an eye out for the African eel blennies darting into crevices and the occasional Crown of Thorns starfish clinging to the coral. It’s a site that suits those comfortable with depth and a bit of open water exposure.

    Typical Blue Hole Dive Profile

    15m30m45m60m75m90m105mSafety Stop0m100m max~15 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

    Maximum depth 100m exceeds recreational limits (40m). Technical diving certification and equipment required.

    Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today05:4117:1811h 37m daylightGolden hour 16:46

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    Conditions

    Ocean conditions, forecast and tides for Blue Hole

    Blue Hole Ocean Conditions

    Monthly averages for Blue Hole, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (28.73, 34.63) (13km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    26°C

    79°F · Range: 25.2–27.2°C

    Current Speed

    4.24 cm/s

    Direction: SE (135°)

    Chlorophyll-a

    0.073 mg/m³

    Very clear (oligotrophic)

    Salinity

    39.08 PSU

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)

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