Sakieda Big Arch
Protected Area
沖縄県漁業調整規則第37条表第2号
Why dive here
With 428+ marine species recorded in the area - including bull sharks, manta rays, mobula rays (devil rays), seahorses and sea turtles - Sakieda Big Arch offers some of Ishigaki & Yaeyama's richest cave diving. Water ranges 23-30°C, warmest July, August, September.
Sakieda Big Arch is a decent pick if you're looking for an overhead environment without venturing too deep. At a maximum of 18 meters, it’s an intermediate dive, straightforward enough for those comfortable with enclosed spaces. We're talking about a substantial swim-through here, not a tight squeeze, so there's usually plenty of ambient light filtering in. It's not a bustling reef, but the appeal is the arch itself, the play of light, and the chance to spot the occasional resting nurse shark or a school of sweepers hanging out in the darker sections. We'd suggest checking it out on a calmer day; strong currents can make navigating the entrance a bit less enjoyable.
Typical Sakieda Big 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 Sakieda Big Arch
Dive shops near Sakieda Big Arch
海講座
Blue Water
ORION
WAKE UP CALL
MOANA Diving College ISHIGAKIJIMA
UMI-NO-KYOSHITSU
Reviews for Sakieda Big Arch
Conditions
Ocean conditions, forecast and tides for Sakieda Big Arch
Sakieda Big Arch Ocean Conditions
Monthly averages for Sakieda Big Arch, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (24.6, 124.35) (10km away)
October Averages
Sea Temperature
29°C
84°F · Range: 27–30.4°C
Air Temperature
26°C
79°F
Wind Speed
7.74 m/s
15.0 knots
Atmospheric Pressure
1013.6 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
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