Kusu South
Protected Area
KKP3K Pulau Sali, Gane Barat Utara
Why dive here
With 131+ marine species recorded in the area - including sea turtles, sperm whales and pufferfish - Kusu South offers some of Halmahera's richest wreck diving. Water ranges 29-30°C, warmest April, May, December.
Kusu South sits just a short boat ride from Nabucco Spice Island, making it an easy add-on to a day's diving. We usually start in the bay on the south side of Kusu, letting the gentle current carry us southwest towards Kusu Island Resort. The reef plateaus around 23 meters, where the staghorn corals stretch out like bony fingers. Keep an eye out for the Blackbelly Pygmygoby darting through the coral branches; they're tiny but fascinating. Visibility averages around 19 meters, giving you a decent view to spot the well-camouflaged stonefish and scorpionfish. It’s a good, easy dive for shaking off the rust or just enjoying a relaxed afternoon.
Safety Notes
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
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Conditions
Ocean conditions, forecast and tides for Kusu South
Kusu South Ocean Conditions
Monthly averages for Kusu South, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-0.4, 127.72) (46km away)
October Averages
Sea Temperature
30°C
85°F · Range: 28.8–30.6°C
Current Speed
6.71 cm/s
Direction: NE (26.6°)
Chlorophyll-a
0.14 mg/m³
Clear water
Salinity
33.73 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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