Daku Arch
Protected Area
Island of Siargao, Bucas Grande, Middle Bucas and East Bucas in Dinagat MSFR & Island of Siargao, Poneas, Dahican, Tona, Laonan Abanay and Bancuyo Wilderness Area
Why dive here
With 82+ marine species recorded in the area - including manta rays, mobula rays (devil rays), whale sharks and pufferfish - Daku Arch offers some of Siargao's richest cave diving. Water ranges 27-30°C, warmest June, August, September.
Daku Arch is a straightforward cavern dive near Siargao, maxing out at 17 meters. You'll swim through a reasonably sized archway, which offers some nice light play depending on the sun. It's a relaxed dive, good for beginners looking to try a contained overhead environment without any real challenge. Expect to see some smaller reef fish sheltering inside the arch.
Typical Daku Arch Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.
Always perform a 3-minute safety stop at 5m before surfacing.
Nearest Dive Centres to Daku Arch
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Conditions
Ocean conditions, forecast and tides for Daku Arch
Daku Arch Ocean Conditions
Monthly averages for Daku Arch, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (8.91, 125.03) (20km away)
October Averages
Sea Temperature
30°C
86°F · Range: 29.2–31.2°C
Current Speed
1 cm/s
Direction: S (180°)
Chlorophyll-a
0.333 mg/m³
Moderate productivity
Salinity
32.39 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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