Old Wharf
Protected Area
Armers Beach
Why dive here
With 35+ marine species recorded in the area - including humpback whales, seahorses and sperm whales - Old Wharf offers some of Kaikōura's richest reef diving. Water ranges 10-17°C, warmest January, February, March.
Forget those glossy brochures showing tropical fish. Old Wharf in Kaikōura is a dive site that reminds us what real temperate diving is all about. We’re talking about a quick, easy entry from the old boat ramp, though keep an eye out for boats launching further down the beach. Maximum depth is around eight metres, so it’s a brilliant spot for newer divers, or anyone who wants a relaxed, longer bottom time. Once you’re in, the reef is mostly rock, dotted with patches of coral, but don't let that fool you. This isn’t about colourful soft corals, it’s about the life tucked into every crevice. We regularly see Blue Moki cruising past, their scales shimmering in the often-murky four-metre visibility – it's not always crystal, but that’s part of the charm here. Our favourite finds are the reef octopus, incredibly camouflaged, almost daring you to spot them, and red rock lobster tucked under ledges. You’ll see kina everywhere too, those spiky sea urchins. It’s a site that rewards slow, careful observation, perfect for photographers or anyone who likes to hunt for critters.
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 Old Wharf
Old Wharf Ocean Conditions
Monthly averages for Old Wharf, 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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