Scuba Diving at Sunabe South Steps, Sunabe Seawall

Diving atSunabe South Steps, Sunabe Seawall (Japan)

Sunabe South Steps reveals an expansive, colorful soft coral garden beneath the surface. Vibrant reef structures, often called an 'underwater flower garden,' showcase dazzling pink, blue, and yellow corals. A captivating visual experience extends from shallower areas down to deeper sections, where miles of soft coral create a rich tapestry of marine growth.

Early observations for Sunabe South Steps, Sunabe Seawall report a surface air temperature of 26°C. The water surface is currently presenting wave heights of 1.4 m. Consider these environmental metrics before beginning your descent.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Coordinates26.3219, 127.7483
Site Characteristics
Ocean
Max Depth6m / 20ft
Entry TypeBoat & Shore
Water Typesalt
Dive Types
Reef

Dive Site Overview

For divers seeking accessible yet rewarding underwater exploration, an engaging experience awaits at Sunabe South Steps. This shore-entry site reaches depths of up to 20 m / 66 ft, catering to all experience levels.

Entry is convenient via steps directly into the ocean, followed by a steel chain guiding divers to initial features. This chain extends about 30 meters (100 ft) to a shallow drop-off, approximately 4.5 meters (15 ft) deep. Beyond this point, the chain continues further, leading to a second drop-off and a small wall, typically between 9 and 12 meters (30-40 ft) deep, where the main dive unfolds.

A shallow underwater post near the entry serves as an easy point of interest. Coral formations are generally in good condition, supporting varied smaller marine life.

Divers may choose to explore either left (south) or right (north) along the reef. Sunabe Seawall functions as a central hub for Okinawa diving, frequently hosting dive shops and enthusiasts.

Its accessibility makes it a popular choice for quick dives and extended explorations, providing a true taste of Okinawan shore diving without requiring a boat.

Sunabe South Steps, Sunabe Seawall

Conditions are Moderate

6/10
Confidence: 8/10
Indicates meteorological model agreement and data availability.

Best Dive Window

Optimal conditions expected

06:12
18:45
H: 10:45
L: 16:20
Air / Sea Temp
26° / 25°
Wave Height
1.3 m
Wind Speed
25 km/h SW
Rain Chance
100%

Current conditions near Sunabe South Steps, Sunabe Seawall show 26° air, 25° sea temperature, 1.3 m waves, and 25 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 11, 2026, 10:10 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Optimizing conditions for clearer visibility at Sunabe South Steps often involves considering seasonal weather patterns. The months of April through June, and then September and October, generally yield 'Good' dive scores and favorable conditions. September, in particular, exhibits the lowest average wave heights at around 0.8 m, which typically translates to enhanced underwater clarity. During these periods, average rainfall remains manageable, usually ranging from 4 to 9 mm, minimizing particulate matter that could reduce visibility. Air temperatures during these optimal months are pleasantly warm, ranging from 21.5°C / 71°F in April to 28.5°C / 83°F in September. While diving is possible year-round, the winter months, from November to March, may present higher average wave heights, around 1.3 to 1.4 m, which could affect visibility more frequently. Divers should check local forecasts for current sea state, as conditions can vary.

PEAK SEASON SCORE

75/100
Good

Scores combine air & water temps, waves, wind & rainfall for overall conditions.


BEST MONTHS TO DIVE

MAY
SEP
OCT
DIVE SCORE
(0–100)
62
JAN
65
FEB
65
MAR
72
APR
73
MAY
73
JUN
72
JUL
70
AUG
80
SEP
75
OCT
67
NOV
62
DEC
AIR TEMP (°C)
17
18
19
22
24
27
29
28
28
27
23
19
WAVES (M)
1.4
1.3
1.3
1.0
1.0
0.9
1.1
1.0
0.8
1.1
1.4
1.4
WIND (KM/H)
23
22
24
22
21
22
23
22
19
20
23
23
RAIN (MM)
1.9
2.5
4.1
6.4
8.3
9.8
5.1
9.7
4.4
4.2
3.5
4.5
DIVE SCORE GUIDE (0–100)
Excellent (90–100)
Very Good (80–89)
Good (70–79)
Moderate (50–69)
Poor (30–49)
Not Recommended (0–29)

Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.

Dive Experience & Conditions

Entering the water at Sunabe South Steps is primarily a shore-based experience, utilizing a series of concrete steps that can be slippery, especially at high tide. A steel chain guides divers from the shore into the initial shallow reef, providing assistance and orientation. Beyond the immediate entry, the site features a relatively gentle current profile, though conditions can vary based on tides and prevailing weather. Water temperatures, while not consistently reported across all seasons in the available data, have been noted around 23°C / 73°F. This comfortable temperature often allows for extended dive times, especially with appropriate thermal protection. The underwater topography progresses from shallow reef patches to a more pronounced wall, adorned with abundant soft corals. The transition from the sandy entry to the vibrant reef is gradual, making it suitable for divers adjusting to shore entries.

Dive Difficulty & Safety Guidelines

Shore diving at Sunabe South Steps requires attention to several factors, particularly during entry and exit. The steps leading into the ocean can be quite slippery, necessitating careful footing, especially when carrying equipment. While generally calm, localized currents or surge may occur, so divers should monitor sea conditions and remain aware of their position relative to the seawall. Given the abundant soft coral formations, maintaining excellent buoyancy control is crucial to prevent accidental contact and preserve the delicate marine environment. It's advisable for divers to carry a surface marker buoy (SMB) for visibility on the surface, as specific boat traffic is not consistently reported. Planning dives around tides can also enhance comfort and ease of entry.

Recommended Equipment

  • Dive Computer

This gear list is based on verified equipment signals for Sunabe South Steps, Sunabe Seawall, Japan. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

In conditions like these, many divers prefer diving with 3mm wetsuit. Consider warmer surface protection (like a boat coat) due to brisk winds.

Divers planning a dive at Sunabe South Steps, Sunabe Seawall today will likely encounter water temperatures close to 25°C (78°F). Surface air temperatures are resting at 26°C (79°F).

Forecast models indicate that diving conditions should remain largely unchanged.

Sunabe South Steps, Sunabe Seawall conditions last reviewed: 10:10 local time (UTC+9), Jun 11, 2026

Due to technical issues with our weather providers, data hasn't been fetched for over 48 hours. The data above reflects the conditions at the time of the last successful fetch.

Emergency & Medical Support

Essential information to help you plan your dive trip to Sunabe South Steps, Sunabe Seawall.

Hyperbaric Chamber

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.

Before diving, it's recommended to:

  • confirm nearest medical facilities
  • check emergency procedures with local dive operators
  • ensure dive insurance covers evacuation if required
24/7 Available

Divers Alert Network

Diving emergency assistance available through DAN Japan.

+81338124999
  • 24/7 emergency hotline
  • Diving medical assistance
  • Evacuation coordination
View official DAN emergency contacts

Emergency contacts are provided for reference. Always verify local emergency services before diving.

Marine Life at Sunabe South Steps, Sunabe Seawall

Upon entering the water at Sunabe South Steps, divers are often greeted by the vibrant soft coral formations and their diverse inhabitants. A notable clownfish colony, consisting of around 25 individuals, thrives within the reef, making for an immediate and engaging observation. Sea anemones are abundant, providing homes for these and other smaller creatures. Exploring the coral gardens reveals a variety of smaller life, including gobies, jawfish, pygmy seahorses, and whiptail shrimp. Encounters with sea snakes have been reported, and seasonal visitors like barracuda and hawksbill turtles can also be seen, adding to the site's dynamic ecosystem.

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Image contributors:Giacomo Merculiano
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Nearest Airports

Nearest airports to help plan travel to this dive area.

Naha International AirportOKA
18 km
Kumejima AirportUEO
103 km
Yoron AirportRNJ
103 km
💵Currency:JPY

Search Flights

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Frequently Asked Questions

Is Sunabe South Steps suitable for beginner divers?

Yes, Sunabe South Steps accommodates all experience levels. A shallow entry and gradual depth progression make it an excellent location for newer divers to gain experience in shore entries and reef navigation.

What is the maximum depth at Sunabe South Steps?

Maximum reported depth for the site is approximately 20 meters (66 ft). Much of the vibrant coral garden and marine life can also be enjoyed in shallower areas, often between 4.5 and 12 meters (15-40 ft).

What marine life can I expect to see?

Sunabe South Steps is well-known for a resident clownfish colony and abundant sea anemones. Divers frequently spot a variety of soft corals, gobies, jawfish, and even occasional sea snakes or hawksbill turtles.

How easy is the entry and exit at this site?

Entry and exit occur via concrete steps directly into the ocean. While generally straightforward, steps can be slippery, especially during high tide; divers should proceed with caution. A steel chain is available to assist from shore.

What are the typical water temperatures?

Seasonal water temperatures vary. Specific dive reports indicate temperatures around 23°C / 73°F at certain times, though not consistently reported in climate data. Divers should check current local conditions.

Are there facilities available near the dive site?

Restroom facilities are not consistently reported directly at the site. However, dive shops and small eateries are typically found across the street or nearby, with cylinder supply often available close by.

Is parking difficult at Sunabe South Steps?

Parking can become challenging, particularly after morning hours due to the site's popularity. Arriving early is often recommended to secure a spot conveniently.

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