Seal Colony
Protected Area
Kaikoura Wildlife Refuge
Why dive here
With 35+ marine species recorded in the area - including humpback whales, seahorses and sperm whales - Seal Colony offers some of Kaikōura's richest wall diving. Water ranges 10-17°C, warmest January, February, March.
Seal Colony isn’t your typical easy-access dive, but it’s absolutely worth the scramble. That walk over the peninsula with your gear is a workout, and the entry can be tricky with surge, so pick your day carefully. Once you’re in, though, the kelp forest just hugs you. We love pushing through those swaying fronds, watching the light dapple through the canopy. The real draw here, beyond the cool rock formations and little swim-throughs, is the chance to see a New Zealand fur seal in its own element. They’re curious, playful, and the feeling of one zooming past you, a blur of sleek dark fur and bubbles, is exhilarating. It’s shallow, only 11 metres max, so you get plenty of bottom time to explore the nooks and crannies where you’ll find rock lobster tucked away and nudibranchs clinging to the kelp. Visibility averages 5 metres, which is decent for a kelpy site, but it can drop after heavy rain. This is a dive for those who don’t mind a bit of effort for a genuinely wild experience.
Safety Notes
Cold water this month (avg 12°C). Drysuit or thick wetsuit (7mm+) recommended.
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Conditions
Ocean conditions, forecast and tides for Seal Colony
Seal Colony Ocean Conditions
Monthly averages for Seal Colony, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-42.41, 173.71) (50km away)
October Averages
Sea Temperature
12°C
54°F · Range: 10.8–14.6°C
Current Speed
14.42 cm/s
Direction: SW (213.7°)
Chlorophyll-a
0.413 mg/m³
Moderate productivity
Salinity
35.08 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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