5-20m
    Alaska, United States

    Hankin Reefs

    Good diving all year

    Why dive here

    With 58+ marine species recorded in the area - including blue sharks, blue whales, humpback whales, orcas and seals & sea lions - Hankin Reefs offers some of Alaska's richest reef diving. Water ranges 5-15°C, warmest July, August, September.

    Best timeYear-round
    WetsuitA drysuit
    Marine lifeBlue Sharks, Blue Whales, Humpback Whales, Orcas and Seals & Sea Lions · 58+ species recorded
    Water5-15°C · warmest July, August, September
    CharacterReef dive · max 5-20m
    StandoutRich in charismatic marine life

    Hankin Reefs offers a glimpse into Alaska's lesser-dived cold-water ecosystems. Expect to find a rugged reef structure supporting an interesting mix of anemones, sponges, and rockfish if you’re prepared for the chill. It’s a site best suited for experienced drysuit divers keen to explore the unique marine life of the Pacific Northwest. Visibility can be hit or miss, so pick your day carefully.

    Typical Hankin Reefs 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 11°C). Drysuit or thick wetsuit (7mm+) recommended.

    Today06:0216:5710h 56m daylightGolden hour 16:08

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    Conditions

    Ocean conditions, forecast and tides for Hankin Reefs

    Hankin Reefs Ocean Conditions

    Monthly averages for Hankin Reefs, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (57, -135.4) (0km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    11°C

    51°F · Range: 8.5–12.8°C

    Air Temperature

    8°C

    47°F

    Wind Speed

    6.44 m/s

    12.5 knots

    Atmospheric Pressure

    1007.9 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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