Kaikōura, New Zealand
    Te Mahia

    Allports Island

    Best months: Jan–Dec

    Protected Area

    Te Mahia

    Why dive here

    With 35+ marine species recorded in the area - including humpback whales, seahorses and sperm whales - Allports Island offers some of Kaikōura's richest diving. Water ranges 13-18°C, warmest January, February, March.

    Marine lifeHumpback Whales, Seahorses and Sperm Whales · 35+ species recorded
    Water13-18°C · warmest January, February, March

    Allports Island might only hit 19 metres, but don’t let that fool you into thinking it's just a shallow splash. We love it for its sheer accessibility, especially when the weather decides to play nice. Drop in, and you're immediately greeted by the kelp forest swaying in the gentle surge, shafts of sunlight dappling through the fronds. Look closely among the holdfasts for red rock lobsters peeking out, their antennae twitching. What really makes Allports tick, though, are those deeper tubeworm structures, almost like alien sculptures rising from the silty bottom. They create fascinating little hideaways for critters. We’ve spotted ghost sharks gliding past them, and often a curious snapper will come to check you out. Visibility averages 8 metres, which is decent for Kaikōura, but it can drop after heavy rain. Our tip: go on a calm day, ideally after a few days of settled weather, for the best light and clearest water. It’s a great spot for newer divers to gain confidence in a slightly deeper environment without strong currents, and for experienced divers, it's a relaxing dive with some genuinely interesting macro potential if you take your time.

    Safety Notes

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

    Today07:0317:5210h 48m daylightGolden hour 17:13

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    Conditions

    Ocean conditions, forecast and tides for Allports Island

    Allports Island Ocean Conditions

    Monthly averages for Allports Island, sourced from Copernicus Marine satellite data

    August Averages

    Sea Temperature

    13.46°C

    56°F

    Current Speed

    10 cm/s

    Direction: SW (216.9°)

    Chlorophyll-a

    0.335 mg/m³

    Moderate productivity

    Salinity

    35.18 PSU

    Data sources: Copernicus Marine Service (EU)

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