Scuba Diving at A-Frames (Finnart)

Diving atA-Frames (Finnart) (United Kingdom)

Starting near the shore, divers at A-Frames (Finnart) descend onto a gentle slope, initially encountering debris from the old dynamited pier in shallower sections. This initial exploration between 8-12m (26-39 ft) reveals a bustling ecosystem clinging to the wreckage. Further out, below 20m (65 ft), the imposing A-Frames, remnants of the original pier structure, emerge from the loch bed. Beyond these, the slope continues, offering opportunities for deeper excursions past 40m (130 ft).

Early observations for A-Frames (Finnart) report a surface air temperature of 10.5°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.

Coordinates56.1174, -4.8312
Site Characteristics
Sea Loch
Max Depth35m / 115ft
Entry Typeshore
Water Typesalt
Dive Types
Archaeological

Dive Site Overview

A-Frames, situated on Loch Long's east shore near the Finnart Oil Terminal in Scotland, reveals a gentle underwater slope shaped by remnants of an old dynamited pier. Divers first encounter a debris field between 8-12m (26-39 ft), where scattered wreckage creates a bustling habitat for various marine species.

Shallower areas serve as excellent starting points for new divers or those preferring limited depth profiles. Further down, below 20m (65 ft), substantial concrete structures emerge from the loch bed; these are the imposing 'A-Frames' which lend the site its moniker. Heavily encrusted with sessile life, these structures offer intriguing exploration, occasionally providing spectacular views looking up towards the surface on clearer days.

Beyond these, the seabed continues its descent, providing access to greater depths, sometimes past 40m (130 ft), where different life, such as fireworks anemones, can be observed. Diverse topography, ranging from scattered debris to large structural remains and a continuing slope, offers varied exploration for all experience levels.

Often a popular training ground, Finnart's easy accessibility can result in high diver traffic, especially on weekends.

A-Frames (Finnart)

Conditions are Excellent

10/10
Confidence: 8/10
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
0.1 m
Wind Speed
12 km/h ENE
Rain Chance
0%

Current conditions near A-Frames (Finnart) show 11° air, --° sea temperature, 0.1 m waves, and 12 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 14, 2026, 05:07 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Optimal diving at A-Frames (Finnart) often contrasts with typical warm-water destinations, leaning towards months with more settled weather and higher air temperatures for comfort, yet recognizing that underwater conditions vary independently. Spring and summer months, from April to September, consistently show "Excellent" dive scores, aligning with air temperatures ranging from 8.5°C (47°F) in April to a peak of 15°C (59°F) in August. Rainfall is generally lower during these months, with averages around 3.3-5.6mm, compared to heavier autumn and winter rains reaching 9mm. While specific water temperature averages are not consistently reported for A-Frames, historical dive reports suggest temperatures around 10°C (50°F) in cooler periods, with variations throughout the year. Winter months (January, February, October, December) still yield "Good" dive scores despite lower air temperatures and increased rainfall, indicating diving remains viable year-round for properly equipped divers. Regardless of the season, local visibility conditions remain the primary variable for dive quality.

PEAK SEASON SCORE

84/100
Very Good

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


BEST MONTHS TO DIVE

MAY
JUN
JUL
DIVE SCORE
(0–100)
76
JAN
74
FEB
76
MAR
79
APR
85
MAY
83
JUN
84
JUL
82
AUG
82
SEP
77
OCT
78
NOV
73
DEC
AIR TEMP (°C)
3
5
6
9
13
14
15
15
13
10
6
6
WAVES (M)
0.2
0.2
0.2
0.2
0.1
0.2
0.2
0.2
0.2
0.2
0.1
0.2
WIND (KM/H)
19
21
20
19
16
19
18
20
19
21
16
20
RAIN (MM)
5.3
6.5
6.0
4.6
3.4
4.9
5.6
7.1
5.1
7.2
5.5
9.1
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 conditions at A-Frames can present a dynamic environment for divers. While Loch Long's sheltered nature generally implies minimal strong currents, local conditions and tidal movements can still influence the underwater experience. Visibility at the site is notably variable; it can range from 6-8m (20-26 ft) after passing an initial thermocline, as reported in specific dive logs, but may also decrease significantly, even to virtually zero, depending on recent weather and sediment disturbance. Water temperatures are characteristic of a Scottish sea loch; while not consistently reported across all months, individual dive reports have noted temperatures around 10°C (50°F) in cooler periods, with variations expected throughout the year. The site's gentle slope makes navigation straightforward for most, but divers should be prepared for potential changes in visibility that could affect orientation. Overall, it's a dive that rewards adaptability to changing conditions.

Dive Difficulty & Safety Guidelines

Navigating A-Frames requires attention to several factors for a safe dive. The primary concerns revolve around the site's popularity and variable conditions. Given its easy access and suitability for training, the area can become very busy, particularly on weekends; situational awareness regarding other divers is essential. While parking is ample, access to and from the water itself can be tricky due to the shore topography, so exercise caution during entry and exit. Visibility fluctuations are common, sometimes dramatically reducing underwater perception. Divers should be comfortable with navigating in potentially limited visibility and always dive with a reliable buddy. Planning your dive to respect depth limits and bottom times is crucial, especially when exploring the deeper sections beyond 20m (65 ft), which can easily extend past recreational depths. Always check local conditions and tides before entering the water.

Recommended Equipment

Deep dive hazard. Increased narcosis and gas consumption risk.

  • Dive Computer
  • DSMB
  • Primary & Backup Lights
  • Hard-soled Dive Boots

This gear list is based on verified equipment signals for A-Frames (Finnart), United Kingdom. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

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

Longer-range forecasts show some uncertainty in upcoming temperature trends. A warming trend is expected over the next few days.

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. Dive depth and duration can significantly affect perceived warmth. Surface intervals may feel noticeably cooler once you exit the water.

A-Frames (Finnart) conditions last reviewed: 05:07 local time (UTC+0), Jun 14, 2026

Emergency & Medical Support

Essential information to help you plan your dive trip to A-Frames (Finnart).

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. 53 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 A-Frames (Finnart)

A-Frames' underwater landscape supports a surprisingly diverse array of marine life, particularly thriving on the structural remnants of the old pier. Around the shallower debris field, between 8-12m (26-39 ft), divers frequently encounter a bustling community of squat lobsters, edible crabs, and velvet swimming crabs utilizing the nooks and crannies. As you descend to the deeper A-Frames structures, these huge concrete remnants are covered in vibrant sessile life, including numerous anemones, various starfish, and dead men’s fingers. Lucky observers might also spot nudibranchs meticulously moving across these encrusted surfaces. In the deeper sections of the loch, beyond 40m (130 ft), the spectacular fireworks anemones become more prevalent. Dogfish are also reported to frequent the area, adding to the varied encounters available.

1 / 2
Image contributors:Giacomo Merculiano, Hans Hillewaert
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Dive Centers Near A-Frames (Finnart)

Fyne Diving
11 km away

Fyne Diving

4.9| 31 reviews

Nearest Airports

Nearest airports to help plan travel to this dive area.

Glasgow AirportGLA
37 km
Glasgow Prestwick AirportPIK
70 km
Edinburgh AirportEDI
93 km
💵Currency:GBP

Search Flights

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Frequently Asked Questions

What is the maximum depth at A-Frames (Finnart)?

While the main pier wreckage and A-Frames structures are found at recreational depths, with debris starting at 8-12m (26-39 ft) and the A-Frames around 20m (65 ft) and deeper, it is possible to extend dives to over 40m (130 ft) by heading further offshore. The maximum depth depends on your dive plan and experience level.

What kind of dive site is A-Frames?

A-Frames is an archaeological sea-loch dive site characterized by a gentle slope. It features the remnants of an old, dynamited pier, including a debris field in shallower areas and large concrete 'A-Frames' structures at deeper points. This creates a diverse habitat for marine life.

Is A-Frames suitable for beginner divers?

Yes, A-Frames is suitable for divers of all grades, from trainees upwards. The shallower sections around the pier debris offer plenty to explore within recreational limits, making it a popular training location. More experienced divers can venture to deeper parts of the site.

What is the visibility like at A-Frames?

Underwater visibility at A-Frames can vary dramatically depending on recent weather and sediment disturbance. While some dive reports mention 6-8m (20-26 ft) visibility after an initial thermocline, it can also be significantly reduced, sometimes even to virtually zero. Divers should be prepared for variable conditions.

Are there strong currents at the site?

Loch Long generally provides a sheltered environment, meaning strong currents are typically minimal. However, local conditions, tidal influences, and weather can still create some movement. It's always advisable to check local conditions before your dive.

What marine life can be observed at A-Frames?

The site hosts a wide variety of marine life, particularly around the pier wreckage. Divers can expect to see squat lobsters, edible and velvet swimming crabs, various species of anemones, starfish, and dead men's fingers. Nudibranchs are also present, and deeper dives might reveal spectacular fireworks anemones and even dogfish.

How busy does the A-Frames dive site get?

Due to its accessibility and suitability for training, A-Frames can become very busy, especially on weekends and during peak season. Divers should be mindful of other groups and maintain situational awareness to ensure a safe and enjoyable experience.

Is parking available at A-Frames?

Yes, there is ample parking space available for multiple cars at the water's edge at A-Frames. However, while parking is easy, access to and from the water itself can be tricky, requiring care during entry and exit.

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