Scuba Diving at Matahari Reef, Pulau Seribu, Jakarta

Diving atMatahari Reef, Pulau Seribu, Jakarta (Indonesia)

In Pulau Seribu, Matahari Reef offers a straightforward route for divers, typically beginning with a boat entry onto a vibrant coral ecosystem. Divers usually follow the reef's natural contours as it descends gradually, making for unhurried exploration. Its character unfolds through diverse coral formations and an array of resident fish life, immediately visible upon descent. Maximum depth here extends to approximately 20 m / 66 ft, accommodating various certification levels.

As evening covers Matahari Reef, Pulau Seribu, Jakarta, the local air temperature is measured at 29.5°C. The current wave height at the surface is recorded at 0.2 m. These late-day readings characterize the surface conditions for the night.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Max Depth20m / 66ft
Entry Type--
Water Typesalt
Dive Types
Reef

Dive Site Overview

Matahari Reef, also known as Warung Kopi, carries a local identity that speaks to its consistent presence in the Pulau Seribu diving community. That alternate designation reflects its historical use and familiarity among local dive operators and enthusiasts.

While lacking grand historical events, the reef has long been a reliable destination for observing the region's underwater ecosystems. Diving here primarily involves exploring extensive reef systems and the occasional sandy bottom sections. Its topography reveals a gently sloping profile adorned with various hard and soft corals.

This structure supports a wide range of marine inhabitants, from smaller reef fish to larger pelagic species. Access to the site is exclusively via boat, providing direct entry to its primary features.

Maximum depth for divers can reach up to 20 m / 66 ft, allowing for varied dive plans and opportunities to explore different zones of the reef structure. Its enduring appeal lies in its accessibility and the consistent, authentic Indonesian reef experience.

Matahari Reef, Pulau Seribu, Jakarta

Conditions are Good

7/10
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
29° / 30°
Wave Height
0.7 m
Wind Speed
29 km/h E
Rain Chance
100%

Current conditions near Matahari Reef, Pulau Seribu, Jakarta show 29° air, 30° sea temperature, 0.7 m waves, and 29 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 11, 2026, 18:50 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Optimal diving conditions at Matahari Reef are often experienced from May through June, and again in October, consistently rated as "Excellent" for diving. During these prime months, the average air temperature remains comfortably warm, ranging from 28.5°C to 29°C (83-84°F). During this period, rainfall is typically reduced, averaging as low as 2.6 mm in October and between 5.9-6.8 mm in May-June, which minimizes potential impacts on underwater visibility. Outside these peak months, the site generally offers "Good" diving opportunities, though rainier periods occur from January to March, where rainfall can reach 8.7-15.7 mm. Wave heights tend to be calm year-round, typically below 0.6 meters (2 feet), making boat access consistently smooth. Divers can expect water temperatures ranging from 26-28°C (79-83°F), making warm-water gear suitable for most.

PEAK SEASON SCORE

87/100
Very Good

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


BEST MONTHS TO DIVE

MAY
AUG
OCT
DIVE SCORE
(0–100)
70
JAN
75
FEB
81
MAR
85
APR
86
MAY
85
JUN
85
JUL
87
AUG
86
SEP
87
OCT
82
NOV
75
DEC
AIR TEMP (°C)
27
28
28
28
29
28
28
28
28
29
28
28
WAVES (M)
0.6
0.5
0.5
0.4
0.4
0.5
0.6
0.6
0.6
0.5
0.5
0.5
WIND (KM/H)
29
26
25
22
20
20
21
20
21
22
24
26
RAIN (MM)
15.7
11.8
8.7
6.9
5.9
6.8
4.2
2.3
2.5
2.6
7.9
10.8
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

Diving here involves navigating a gently sloping bottom, defined by both coral structures and intermittent sandy areas. Depths extend to a maximum of 20 m / 66 ft, offering a gradual descent for extended bottom times.. Water temperatures consistently stay in the comfortable range of 26-28°C (79-83°F). Visibility, while variable, is typically fair to good, observed between 8-15 m (25-50 ft). Conditions can change, however; during periods of higher rainfall, particularly from January to March, some reduction in visibility may occur due to freshwater runoff. Surface conditions are generally calm, with average wave heights rarely exceeding 0.6 m (2 ft). A continuous slope makes the reef suitable for drift dives if currents are present, though strong currents are not consistently reported as a dominant feature. Divers should anticipate a warm water experience with a diverse reef environment.

Dive Difficulty & Safety Guidelines

For an optimal and safe experience at Matahari Reef, an expert tip is to prioritize precise buoyancy control. Such careful management helps protect fragile coral formations that constitute the primary underwater landscape, preventing accidental contact or damage. While no specific inherent hazards are consistently reported for this site, standard safe diving practices remain paramount. Always monitor your air supply, track your no-decompression limits, and ascend slowly. Keeping a close eye on your dive buddy and being aware of the gently sloping topography ensures a smooth descent and ascent. Local dive guides provide the most current information regarding any transient conditions, such as mild currents or localized changes in visibility, ensuring a safe exploration.

Recommended Equipment

  • Dive Computer
  • DSMB

This gear list is based on verified equipment signals for Matahari Reef, Pulau Seribu, Jakarta, Indonesia. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

Environmental conditions are expected to remain consistent in the short-term outlook.

For typical recreational dives, dive skin or rash guard generally provides comfortable insulation.

Recent environmental data from Matahari Reef, Pulau Seribu, Jakarta indicates water temperatures near 30°C (86°F). Surface air temperatures are resting at 29°C (85°F).

Matahari Reef, Pulau Seribu, Jakarta conditions last reviewed: 18:50 local time (UTC+7), 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 Matahari Reef, Pulau Seribu, Jakarta.

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 World.

+1-919-684-9111
  • 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 Matahari Reef, Pulau Seribu, Jakarta

Descending onto Matahari Reef, divers will immediately notice the density of reef fish. Coral hosts a variety of species, from vibrant pufferfish and scorpionfish to surgeonfish, angelfish, bannerfish, and triggerfish navigating the formations. Look for boxfish, parrotfish, and the occasional trumpetfish or pipefish blending into the reef. Sweetlips, snappers, and groupers are also common sightings, alongside the distinctive lionfish. While less frequent, there are reports of larger marine life such as sharks, whales, dolphins, and turtles passing through the area, adding a layer of excitement to any dive.

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Image contributors:Yellow.Cat, Ewa Barska
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Nearest Airports

Nearest airports to help plan travel to this dive area.

Soekarno-Hatta International AirportCGK
59 km
Halim Perdanakusuma International AirportHLP
83 km
Radin Inten II International AirportTKG
156 km
💵Currency:IDR

Search Flights

Check available flights and routes on Expedia, using the nearby airports listed in this section.

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Frequently Asked Questions

What is the maximum depth at Matahari Reef?

The site has a maximum reported depth of up to 20 m / 66 ft. This depth profile allows for a variety of dive plans, catering to different certification levels.

Is Matahari Reef suitable for beginner divers?

Yes, the gently sloping topography and manageable depths make it suitable for PADI Open Water Divers. However, good buoyancy control is always advised, especially over the coral areas.

What is the water temperature like at Matahari Reef?

Water temperatures are consistently warm, typically ranging from 26-28°C (79-83°F). This allows for comfortable diving with minimal thermal protection like a 3mm wetsuit.

What type of marine life can I expect to see?

The reef is home to a wide array of reef fish, including pufferfish, scorpionfish, angelfish, and parrotfish. There are also less frequent sightings of sharks, whales, dolphins, and turtles.

How is Matahari Reef accessed?

Access to Matahari Reef is primarily by boat. Divers typically enter the water directly from the boat, making it a convenient entry point for exploring the site.

When is the best time to visit for diving?

The optimal period for diving is from May to June and again in October, when conditions are rated "Excellent." These months typically offer lower rainfall and comfortable air temperatures.

Are there strong currents at Matahari Reef?

Strong currents are not consistently reported as a dominant feature. However, as with any ocean dive site, conditions can vary, and divers should be prepared for mild currents.

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