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.

Early observations for Nonoc Shoal report a surface air temperature of 28°C. The water surface is currently presenting wave heights of 0 m. Consider these environmental metrics before beginning your descent.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Coordinates9.2500, 123.5858
Site Characteristics
Ocean
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.

Nonoc Shoal

Conditions are Good

8/10
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
28° / 30°
Wave Height
0.1 m
Wind Speed
19 km/h NNE
Rain Chance
100%

Current conditions near Nonoc Shoal show 28° air, 30° sea temperature, 0.1 m waves, and 19 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 16, 2026, 07:23 local time
MARINE: OPEN-METEOWEATHER: YR.NO

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.

PEAK SEASON SCORE

91/100
Excellent

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


BEST MONTHS TO DIVE

APR
MAY
JUN
DIVE SCORE
(0–100)
87
JAN
83
FEB
87
MAR
92
APR
92
MAY
90
JUN
82
JUL
87
AUG
86
SEP
90
OCT
87
NOV
86
DEC
AIR TEMP (°C)
27
27
27
28
29
28
28
28
28
28
28
27
WAVES (M)
0.5
0.6
0.5
0.3
0.3
0.4
0.7
0.6
0.6
0.4
0.5
0.4
WIND (KM/H)
19
22
20
18
16
15
20
19
18
15
18
18
RAIN (MM)
4.2
6.6
4.1
3.5
5.7
7.5
6.1
3.1
5.4
7.7
7.7
8.9
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

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

  • Dive Computer
  • DSMB

This gear list is based on verified equipment signals for Nonoc Shoal, Philippines. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

Weather models currently point toward consistent diving conditions over the next several days.

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

At Nonoc Shoal, the water is currently sitting around 30°C (87°F). Surface air temperatures are resting at 28°C (82°F).

Nonoc Shoal conditions last reviewed: 07:23 local time (UTC+8), Jun 16, 2026

Emergency & Medical Support

Essential information to help you plan your dive trip to Nonoc Shoal.

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 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

Reef Turtle Dive Center
14.5 km away

Reef Turtle Dive Center

5| 362 reviews
Today: 09:00 - 17:00
Sun07:30 - 17:00
Mon07:30 - 17:00
Tue09:00 - 17:00
Wed07:30 - 17:00
Thu09:00 - 17:00
Fri07:30 - 17:00
Sat07:30 - 17:00
Vibrations Dive Center

Vibrations Dive Center

5| 240 reviews
14.4 km
Sea Pearl Divers

Sea Pearl Divers

4.9| 406 reviews
14.5 km
Dive Point Siquijor

Dive Point Siquijor

4.9| 136 reviews
14.5 km
Island Vibes Explorers Diving Center

Island Vibes Explorers Diving Center

14.4 km 4.5· 100 reviews
Dauin Diving Center

Dauin Diving Center

38.9 km 5· 142 reviews
French Touch Diving

French Touch Diving

41.5 km 4.9· 877 reviews
Piratas Alona Dive Center

Piratas Alona Dive Center

39.1 km 4.9· 680 reviews

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
💵Currency:PHP

Search Flights

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

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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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