Melville Cove
Protected Area
Titi Island
Why dive here
With 35+ marine species recorded in the area - including humpback whales, seahorses and sperm whales - Melville Cove offers some of Kaikōura's richest wall diving. Water ranges 10-17°C, warmest January, February, March.
Melville Cove isn't a showstopper for dramatic reefscapes, let's be clear about that. What it *is* though, is a fantastic spot to slow down and really appreciate the smaller things. We love it for its quiet, unassuming charm, especially if you're dialling back from a big offshore dive or doing some skill work. The sandy bottom, peaking at about 10 metres, makes for some surprisingly rewarding macro exploration. Think of Melville Cove as a treasure hunt for the patient diver. We've spent hours here spotting juvenile rig sharks tucked into the sand, the shy movements of blue green chitons, and occasionally, a surprising ghost shark gliding past in the gloom. Our favourite time to dive here is at dusk, transitioning into a night dive. That’s when you might just catch a glimpse of a tiny blue penguin darting through the water, or the lobsters start to emerge from their hiding spots. Visibility isn't always stellar, often around 3 metres, so you need to keep things close, but that’s part of the appeal; it forces you to focus. It’s perfect for new divers building confidence or anyone who just wants a relaxed, undemanding dive with a chance for some unique finds.
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 Melville Cove
Melville Cove Ocean Conditions
Monthly averages for Melville Cove, 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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