Scuba Diving at Carnoch Bay - Ballaculish

Diving atCarnoch Bay - Ballaculish (United Kingdom)

Carnoch Bay offers a protected dive experience within Loch Leven, often navigable across various tidal states, particularly within the shallower bay areas. Despite its sheltered position, divers should remain aware of potential boat traffic, especially when venturing beyond the immediate bay. Surface conditions are generally influenced by local weather patterns, with air temperatures ranging from 3-15°C / 37-59°F throughout much of the year, accompanied by varying wind speeds.

Recent updates for Carnoch Bay - Ballaculish show an air temperature measuring 10.5°C. Overall water conditions reflect the typical seasonal state for United Kingdom. Please exercise standard safety precautions before entering the water.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Coordinates56.6814, -5.1335
Site Characteristics
Sea Loch
Max Depth12m / 39ft
Entry Typeshore
Water Typesalt
Dive Types
ReefWall

Dive Site Overview

Carnoch Bay stands out as a highly versatile Scottish dive site, catering to a broad spectrum of diving proficiencies from beginner to technical levels. Its unique topography includes a sheltered inner bay, ideal for skill practice and initial open water dives at depths generally around 12 m / 39 ft, where the sandy bottom requires careful finning to maintain visibility.

Beyond this protected area, divers can explore more challenging outer sections where the seabed progressively drops, reaching well beyond 30 m / 100 ft and even up to 50 meters in certain areas. A prominent slate wall, often kept on the right shoulder during outward finning, forms a key navigational feature, offering a substantial guided dive that can extend for over two hours if exploring leisurely.

This diverse environment allows for various dive types, including reef, sea loch, and wall diving from either the stoney beach or a short walk to a point for deeper access. A large car park next to the entry point and nearby accommodation further enhances its appeal, making it an excellent location for club weekends or day trips, accommodating a higher number of divers without feeling crowded.

Its range of options truly makes it accessible to both new divers taking their first breaths and experienced enthusiasts seeking depth.

Carnoch Bay - Ballaculish

Conditions are Excellent

10/10
Confidence: 7/10
Indicates meteorological model agreement and data availability.

Best Dive Window

07:00 - 14:00

Optimal conditions expected

06:12
18:45
H: 10:45
L: 16:20
Air / Sea Temp
11° / --°
Wave Height
N/A
Wind Speed
14 km/h N
Rain Chance
0%

Current conditions near Carnoch Bay - Ballaculish show 11° air, --° sea temperature, N/A waves, and 14 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 14, 2026, 00:20 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

For an optimal dive experience at Carnoch Bay, consider visiting during the spring through autumn months, specifically from March to September. This period consistently registers 'Good' dive scores in local assessments. Air temperatures during these months typically range from 6-15°C / 43-59°F, creating more comfortable surface conditions for dive preparations and post-dive activities. Rainfall tends to be lower in spring, particularly in May with an average of 3.7 mm, reducing the likelihood of surface runoff impacting underwater visibility. While diving is possible year-round, conditions in months like December and February show higher rainfall, averaging 11.4 mm and 7.5 mm respectively, and lower air temperatures. Generous parking and proximity to local amenities make it especially suitable for group outings or club weekends when surface logistics are a consideration.

PEAK SEASON SCORE

71/100
Good

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


BEST MONTHS TO DIVE

MAY
JUN
JUL
DIVE SCORE
(0–100)
57
JAN
51
FEB
58
MAR
64
APR
73
MAY
69
JUN
70
JUL
66
AUG
67
SEP
59
OCT
60
NOV
46
DEC
AIR TEMP (°C)
3
5
6
9
13
14
15
15
13
10
6
5
WAVES (M)
—
—
—
—
—
—
—
—
—
—
—
—
WIND (KM/H)
18
21
19
18
16
18
17
19
19
21
16
20
RAIN (MM)
5.4
7.6
5.3
4.1
3.7
6.1
6.6
7.7
5.8
7.2
5.7
11.4
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

Dive profiles at Carnoch Bay vary significantly, starting with a gentle slope from shore entry points, which can be around 7-8 meters deep depending on the tide. Within the bay itself, depths generally remain typically 12-15 meters, providing a controlled environment for training or shallower exploration. For those seeking greater depths, finning out from the bay or initiating the dive from a further point on the shore reveals a seabed that progressively drops beyond 30 meters, potentially reaching up to 50 meters. Following the prominent slate wall on your right shoulder is a common navigation method, leading divers along the reef structure. Bottom composition in shallower areas is often sandy, requiring careful buoyancy control to avoid reducing visibility. Water temperatures are typical for a Scottish sea loch, varying with the seasons.

Dive Difficulty & Safety Guidelines

Divers at Carnoch Bay should always prioritize safety by being mindful of potential boat traffic, especially when moving beyond the immediate bay area; deploying a Surface Marker Buoy (SMB) is strongly recommended. Given the site's varied depth profiles, from shallow training areas to technical depths of 50 m, maintaining excellent buoyancy control is crucial to prevent stirring up the sandy bottom and preserving visibility. For deeper or offshore exploration, utilizing a sounder to locate the main reef structure can be beneficial. While most mobile networks offer service here, always have a contingency plan for communication. Dive with appropriate gas mixtures, such as Nitrox, for extended bottom times or specific depth goals.

Recommended Equipment

  • Dive Computer
  • Hard-soled Dive Boots

This gear list is based on verified equipment signals for Carnoch Bay - Ballaculish, United Kingdom. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

Divers planning deeper dives may feel cooler than those staying in shallower areas.

Based on regional estimates and current weather, the likely required exposure protection is a thicker wetsuit or drysuit. Note that local currents and upwellings can alter this. Strong cold advisory: dress warmly immediately after exiting the water. Due to unpredictable weather patterns, conditions may change rapidly. A warming trend is expected over the next few days.

Because recent water temperature readings are not available for Carnoch Bay - Ballaculish, the guidance below is based mainly on current air conditions and seasonal expectations. Current surface air temperatures are roughly 11°C (51°F).

Carnoch Bay - Ballaculish conditions last reviewed: 00:20 local time (UTC+0), Jun 14, 2026

Emergency & Medical Support

Essential information to help you plan your dive trip to Carnoch Bay - Ballaculish.

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 Europe.

+39 0642115685
  • 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.

Closest Listed Hyperbaric Chambers

Showing listed hyperbaric chamber facilities within 200 km of this dive site. Distances are approximate straight-line distances and may not reflect emergency travel time.

+

West Scotland Centre for Diving and Hyperbaric Medicine

Oban, Argyll, United Kingdom•Approx. 32 km straight-line
Facility Details
Operating Hours
Not listed
ICU Capable
Unknown
Chamber Type
Not listed
Facility / Hospital
Not listed
24/7 Listed
Unknown

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET

Aberdeen Royal Infirmary

Aberdeen, United Kingdom•Approx. 190 km straight-line
Facility Details
Operating Hours
Not listed
ICU Capable
Unknown
Chamber Type
Not listed
Facility / Hospital
Not listed
24/7 Listed
Unknown

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET
Chamber data is sourced from self-reported EUBS/OXYNET listings and has not been independently verified by Dive Navigator. Always contact local emergency services, DAN, your dive operator, or the facility directly before travelling.
View all in United Kingdom

Marine Life at Carnoch Bay - Ballaculish

Despite its varied conditions, Carnoch Bay hosts a diverse array of marine life for observant divers. Encounters with thornback rays are common, especially within the bay's shallower sandy areas, often resting on the bottom. Rocky reef and wall structures provide habitats for various nudibranch species, inviting close inspection into colorful crevices and along the rock faces. Octopus sightings have also been reported, adding an exciting element to the exploration of overhangs and hidden formations. Divers frequently discover small crustaceans and juvenile fish sheltered among the rocks.

Dive Centers Near Carnoch Bay - Ballaculish

Fyne Diving
58.3 km away

Fyne Diving

4.9| 31 reviews

Nearest Airports

Nearest airports to help plan travel to this dive area.

Glasgow AirportGLA
100 km
Tiree AirportTRE
109 km
Inverness AirportINV
116 km
💵Currency:GBP

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 Carnoch Bay?

The maximum depth at Carnoch Bay itself is around 12 m / 39 ft. Deeper water can be found farther out in the surrounding loch, where depths may reach approximately 50 m / 164 ft, but that should be treated separately from the sheltered bay dive profile.

Is Carnoch Bay suitable for beginner divers?

Yes, the inner bay offers a relatively shallow and protected environment, making it suitable for trainees and open water divers to practice skills in depths up to 15 m. More experienced divers can explore the deeper sections and wall features.

What are the primary entry methods for diving at Carnoch Bay?

Divers typically enter from the slip or stoney beach near the car park, which leads to a gentle slope. An alternative entry point involves walking to the end of the bay for direct access to deeper dive options along the wall.

What kind of marine life can I expect to see?

The site is known for various nudibranchs found on the walls and rocks, thornback rays often seen in sandy areas, and occasional octopus sightings. Smaller crustaceans and fish are also commonly observed.

Are there any specific hazards to be aware of?

Primary concerns include potential boat traffic, especially outside the bay, requiring an SMB. Divers should also maintain good buoyancy control to avoid disturbing the sandy bottom and manage depth for technical dives.

Can I dive Carnoch Bay at any tide state?

Yes, it is generally possible to dive within the bay at any state of the tide. However, specific entry and exit points might be easier or more challenging depending on tidal levels, and currents outside the bay could vary.

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