Scuba Diving at Silica Reef (Tangdol Reef)

Diving atSilica Reef (Tangdol Reef) (Philippines)

Silica Reef (Tangdol Reef) presents a compelling dive experience within Puerto Princesa, distinguished by its gently sloping underwater landscape. This site offers divers of all skill levels a serene environment to explore vibrant coral formations and encounter diverse marine life. It's an accessible location, known for conditions that foster both exploration and relaxation.

Tonight's objective overview for Silica Reef (Tangdol Reef) shows an air temperature of 29.8°C. The measured surface conditions include wave heights around 0.2m. This environmental data is logged for the close of the day.

Dive Site Coordinates

9.7235, 118.7616

Dive Site Characteristics

Ocean

Key Dive Site Facts

Max Depth30m / 98ft
Entry TypeBoat
Water Typesalt
Dive TypesReef

Dive Site Overview

Exploring Silica Reef reveals a captivating underwater world, characterized by a reef that gradually descends from shallower areas into more profound waters. Beginning at approximately 5 meters (16 ft), the reef slopes gracefully to its maximum recreational depth of 30 m (98 ft), creating varied environments for marine observation.

Divers will navigate through diverse coral structures, encompassing both hard and soft corals, encountering a spectrum of colorful fish that actively school or seek refuge within these vibrant ecosystems. Primarily an Ocean dive, it's easily accessible by boat, making it a convenient destination from Puerto Princesa. The site is well-suited for a wide range of certifications, from entry-level PADI Open Water divers who can enjoy its shallower reaches, to advanced divers exploring deeper contours.

Conditions are often tranquil, with generally excellent visibility contributing to a consistently rewarding experience, allowing for leisurely exploration of its natural beauty and intricate details. Along the continuous slope, different zones emerge, each potentially hosting a distinct array of reef inhabitants.

Observations range from smaller macro life closer to shore to larger, occasional visitors in deeper sections, highlighting the site's rich biodiversity across its varied depths.

Best Time to Dive

Planning your visit to Silica Reef for an optimal diving experience often centers on the months with stable conditions. April, May, August, and October frequently offer excellent dive scores, presenting favorable windows for exploration. During these periods, air temperatures typically range between 27.7°C (81.9°F) in April and 28.0°C (82.4°F) in May, before settling around 26.8°C (80.2°F) in October. Rainfall is generally lower in these 'excellent' months, with April seeing minimal precipitation averaging 3.2 mm, which helps maintain calm seas. While specific water temperatures aren't consistently reported for Silica Reef, regional averages suggest comfortable conditions. Waves are also notably calmer, with averages often below 0.4 meters (1.3 ft) in April and May, making boat entry and surface intervals more pleasant.

Jan: GoodScore: 8/10
Feb: GoodScore: 8/10
Mar: GoodScore: 8/10
Apr: ExcellentScore: 9/10
May: ExcellentScore: 9/10
Jun: GoodScore: 8/10
Jul: GoodScore: 8/10
Aug: ExcellentScore: 9/10
Sep: GoodScore: 8/10
Oct: ExcellentScore: 9/10
Nov: GoodScore: 8/10
Dec: GoodScore: 8/10
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Excellent
Good
Moderate
Poor
Unsafe

Climate Historical Averages

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

Month
Air Temp
Max Waves
Wind Speed
Rain
January26°C0.9m18 km/h4.2 mm
February26°C0.9m18 km/h7.8 mm
March27°C0.7m16 km/h2.8 mm
April28°C0.4m13 km/h3.2 mm
May28°C0.3m11 km/h7.2 mm
June27°C0.3m11 km/h12.4 mm
July27°C0.5m14 km/h9.0 mm
August27°C0.3m12 km/h9.1 mm
September27°C0.5m12 km/h10.7 mm
October27°C0.3m10 km/h9.4 mm
November27°C0.6m14 km/h7.7 mm
December27°C0.8m15 km/h8.9 mm

Dive Experience & Conditions

Conditions at Silica Reef are largely defined by its gently sloping depth profile, moving from shallower areas to deeper sections. Divers typically begin exploration at approximately 5 meters (16 ft), where initial views present abundant reef life. The reef descends to its full recreational limit, allowing for extended bottom times across varying depths. A gradual descent supports longer no-decompression limits for recreational divers. Conditions are often tranquil, with consistently excellent visibility enhancing the viewing of intricate coral formations and smaller reef creatures. While specific water temperature data for Silica Reef varies locally, the general area often experiences comfortable temperatures, making a 3mm wetsuit or rash guard suitable for many divers. Currents are usually mild, posing minimal challenge, though local conditions can vary, so an awareness of potential changes is always prudent. Generally, a calm environment provides a relaxing dive experience, ideal for leisurely exploration.

Dive Difficulty & Safety Guidelines

Diving at Silica Reef caters to a broad spectrum of certifications, making it suitable for both PADI Open Water and Advanced Open Water divers. Given its sloping profile and maximum depth, maintaining good buoyancy control becomes increasingly important as you explore deeper sections of the reef. The site is recognized for its generally tranquil conditions, but divers should always practice the buddy system and conduct thorough pre-dive checks. Familiarity with standard recreational dive procedures ensures a safe and enjoyable experience. No unique hazards are consistently reported for Silica Reef, making it a straightforward reef dive when proper safety protocols are observed.

Recommended Equipment

No verified equipment items yet.

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Verified equipment recommendations for this dive site are being reviewed and may be added as additional source checks are completed.

Recommended Dive Suit

For divers planning standard recreational dives, dive skin or rash guard is usually a suitable option. Divers vary widely in how quickly they feel cold underwater.

The waters surrounding Silica Reef (Tangdol Reef) are currently maintaining temperatures close to 31°C (87°F). Surface air temperatures are resting at 30°C (86°F).

Environmental conditions may feel slightly cooler as the week progresses. Cooler days are ahead; you might want a warmer option for later in the week. Bringing an additional thermal layer can be helpful if conditions change.

Conditions last reviewed: 18:00 using the latest environmental data.

Dive Logistics & Preparation

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Hyperbaric Chamber

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Entry Requirements

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Currency

PHP

Nearest Airports

Nearest airports to help plan travel to this dive area.

✈️Francisco B. Reyes (Busuanga) AirportUSU
303 km
✈️San Jose AirportSJI
384 km
✈️Godofredo P. Ramos AirportMPH
426 km

Marine Life at Silica Reef (Tangdol Reef)

Observing the marine life at Silica Reef often begins with the immediate vibrancy of its coral landscape and the colorful fish population. Divers frequently spot various species of rays gliding near the sandy bottom or navigating through the reef structures. The site's rich coral formations serve as habitat for numerous tropical fish, adding constant movement and color to the underwater scenery. While not extensively documented with specific pelagic sightings for this particular reef, the healthy ecosystem promises consistent reef inhabitant encounters.

Dive Centers Near Silica Reef (Tangdol Reef)

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Frequently Asked Questions

What is the maximum depth at Silica Reef?

Silica Reef slopes to a maximum depth of 30 m (98 ft), offering a substantial range for recreational diving. Divers can explore its shallower sections or venture to deeper parts.

Is Silica Reef suitable for beginner divers?

Yes, Silica Reef is suitable for divers of all levels. Tranquil conditions and a gradually sloping profile make it excellent for learning and skill development.

What kind of marine life can I expect to see?

Divers often encounter various rays at Silica Reef. Rich coral formations and diverse colorful fish species contribute to a visually engaging dive.

When is the best time to dive at Silica Reef?

April, May, August, and October are generally excellent for diving, offering lower rainfall and calmer waves. Air temperatures during these months are typically warm, ranging from 26.8°C to 28.0°C (80.2-82.4°F).

What type of dive is Silica Reef?

Silica Reef is primarily an Ocean and Reef dive. Entry is typically via boat, allowing access to its diverse underwater landscape.

How is the visibility at Silica Reef?

Excellent visibility is a known characteristic here. Clear conditions greatly enhance the diving experience, allowing unobstructed views of corals and marine inhabitants.

Liveaboards Sailing to Silica Reef (Tangdol Reef)

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