Scuba Diving at Nonoc Shoal

Diving atNonoc Shoal (Philippines)

Nonoc Shoal near Larena Harbor in Siquijor presents varied underwater dynamics. Often considered a wall dive, it features the potential for strong currents which can shape the dive experience. Visibility, while sometimes excellent, may also be reduced, adding to its reputation as a more challenging site. This dynamic environment influences how divers interact with its vibrant coral structures and marine inhabitants.

As evening covers Nonoc Shoal, the local air temperature is measured at 28.3°C. The current wave height at the surface is recorded at 0.52m. These late-day readings characterize the surface conditions for the night.

Dive Site Coordinates

9.2500, 123.5858

Dive Site Characteristics

Ocean

Key Dive Site Facts

Max Depth--
Entry TypeBoat
Water Typesalt
Dive Types--

Dive Site Overview

Nonoc Shoal distinguishes itself as a compelling wall dive in Siquijor, offering a dynamic underwater landscape that rewards careful planning and respect for its conditions. This site, recognized as a protected marine sanctuary, is characterized by its significant coral diversity; a wide mix of hard and soft corals creates intricate habitats supporting an array of colorful schooling fish.

While some areas feature shallow reef suitable for beginners and snorkeling, other sections transition into wall diving, appealing to more experienced divers. The juxtaposition of easily accessible, vibrant shallow zones with deeper, current-swept walls makes Nonoc Shoal a unique proposition for diverse skill levels. Navigating this environment often means encountering potential strong currents and variable visibility, factors that contribute to its challenging reputation within the region.

Despite these variable conditions, the opportunity for macro-focused photography is notable, with small critters frequently found amidst the vibrant reef formations. An entrance fee is required here, reinforcing its status as a Philippine government-protected area.

Approaching the shoal by boat is the standard entry method, allowing divers to position themselves strategically for the best experience.

Best Time to Dive

For optimal diving at Nonoc Shoal, planning your visit during months with higher dive scores and calmer conditions is key to an excellent experience. January, April, May, June, October, November, and December frequently exhibit "Excellent" dive scores, indicating generally favorable conditions. During these periods, air temperatures hover comfortably, averaging around 27-28°C (81-82°F), making surface intervals pleasant. Rain tends to be minimal from January through May, with April experiencing the lowest average rainfall. While specific water temperatures are not consistently reported, local conditions generally follow regional trends, offering warm, tropical waters. Months like February, March, July, August, and September still provide "Good" diving, though wind speeds or wave heights might see slight increases. Overall, the dry season (roughly December to May) often provides the calmest seas and best visibility, enhancing the exploration of the shoal's diverse marine life and coral formations.

Jan: ExcellentScore: 9/10
Feb: GoodScore: 7/10
Mar: GoodScore: 8/10
Apr: ExcellentScore: 9/10
May: ExcellentScore: 9/10
Jun: ExcellentScore: 9/10
Jul: GoodScore: 7/10
Aug: GoodScore: 8/10
Sep: GoodScore: 8/10
Oct: ExcellentScore: 9/10
Nov: ExcellentScore: 9/10
Dec: ExcellentScore: 9/10
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
January27°C0.5m19 km/h4.2 mm
February27°C0.6m22 km/h6.6 mm
March27°C0.5m20 km/h4.1 mm
April28°C0.3m18 km/h3.5 mm
May29°C0.3m16 km/h5.7 mm
June28°C0.4m15 km/h7.5 mm
July28°C0.7m20 km/h6.1 mm
August28°C0.6m19 km/h3.1 mm
September28°C0.6m18 km/h5.4 mm
October28°C0.4m15 km/h7.7 mm
November28°C0.5m18 km/h7.7 mm
December27°C0.4m18 km/h8.9 mm

Dive Experience & Conditions

Descending at Nonoc Shoal reveals a distinct wall dive, transitioning from shallower reef areas into more profound depths. Initial entry, typically by boat, brings divers over parts suitable for snorkeling and beginner-level exploration. As divers move along the wall, they can expect a wide mix of hard and soft corals thriving on the vertical face. Conditions at this site are quite variable; strong currents are a potential hazard, demanding good buoyancy control and dive planning. Visibility can also be inconsistent, ranging from clear to limited depending on the day. Despite these challenges, the vibrant reef ecology remains a consistent draw. The maximum depth of the wall is not consistently reported for Nonoc Shoal itself, but nearby wall dives can extend to 30 m (100 ft) or more, suggesting deeper sections here too.

Dive Difficulty & Safety Guidelines

Approaching Nonoc Shoal requires an understanding of its potential challenges, making it more suited for certified divers with experience managing variable conditions. Strong currents are a frequently reported concern here, necessitating solid buoyancy control and an awareness of drift diving techniques. Divers should remain vigilant about potential changes in visibility, which can range from good to poor. As a protected marine sanctuary, specific guidelines apply, including an entrance fee. Respecting all sanctuary rules, such as no touching or collecting marine life, is paramount to preserving this delicate ecosystem. Always dive with a reputable local guide who understands the site's specific dynamics and can provide essential insights for a safe and enjoyable experience.

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

Forecast trends indicate little change in overall diving conditions during the next few days.

Divers who prefer a balanced level of warmth often select 2-3mm shorty or light wetsuit in water temperatures like this. Consider warmer surface protection (like a boat coat) due to brisk winds.

Recent environmental data from Nonoc Shoal indicates water temperatures near 29°C (83°F). Surface air temperatures are resting at 28°C (83°F).

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

Dive Logistics & Preparation

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Hyperbaric Chamber

Check local Philippines medical facilities.

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Entry Requirements

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Currency

PHP

Nearest Airports

Nearest airports to help plan travel to this dive area.

✈️Sibulan AirportDGT
33 km
✈️Bohol-Panglao International AirportTAG
41 km
✈️Dipolog AirportDPL
77 km

Marine Life at Nonoc Shoal

The marine life at Nonoc Shoal centers significantly on its extensive coral ecosystems, which are a major draw for underwater enthusiasts. Divers encounter a rich tapestry of hard and soft corals blanketing the wall and shallow reef sections. These vibrant coral formations act as nurseries and feeding grounds, attracting numerous colorful schooling fish that add dynamic movement to the reef. Furthermore, the site holds good potential for macro-focused photography, revealing smaller, intricate creatures hidden among the corals. While specific sightings vary, the overall health of the coral structures ensures a lively and engaging underwater environment.

Dive Centers Near Nonoc Shoal

Island Vibes Explorers Diving Center
Unverified 4.5
Vibrations Dive Center

Vibrations Dive Center

Philippines14.4 km away

Unverified 5
Sea Pearl Divers

Sea Pearl Divers

Philippines14.5 km away

Unverified 4.9
Dive Point Siquijor

Dive Point Siquijor

Philippines14.5 km away

Unverified 4.9

Frequently Asked Questions

Is Nonoc Shoal suitable for beginner divers?

Nonoc Shoal features shallow reef areas that are suitable for beginners and snorkeling. However, some sections are wall dives with potential strong currents and variable visibility, making them more challenging.

What kind of coral formations can I expect to see?

The site boasts a wide mix of hard and soft corals, forming diverse and intricate habitats. These corals are a primary highlight, providing a rich backdrop for marine life.

Are there strong currents at Nonoc Shoal?

Yes, divers should be aware of the potential for strong currents. This can make the site more challenging and requires good buoyancy control.

Is an entrance fee required to dive here?

Yes, Nonoc Shoal is a protected marine sanctuary, and an entrance fee is required for access. This fee contributes to the preservation of the site.

What marine life can be observed for macro photography?

Nonoc Shoal offers good potential for macro-focused photography, with various smaller, intricate creatures inhabiting the coral formations. Look closely within the mixed hard and soft corals.

How do I access Nonoc Shoal?

Access to Nonoc Shoal is typically by boat from Larena Harbor or other points in Siquijor. This ensures safe and strategic entry to the dive site.

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