Scuba Diving at The Gully: 8-20MTS

Diving atThe Gully: 8-20MTS (Ireland)

Diving in Ireland's coastal waters often presents conditions that demand preparedness, with ocean temperatures ranging from the low 40s to the low 60s Fahrenheit (4-20°C). Visibility varies considerably, typically from 3 to 23 m (10 to 75 ft). Fall and winter months generally offer improved clarity compared to spring and summer, which can have higher plankton levels. Surge and currents can impact site accessibility and overall dive experience.

Evening condition tracking at The Gully: 8-20MTS features an air temperature of 12°C. We have recorded wave heights measuring 1.7 m during this period. These figures outline the environmental parameters currently present.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Max Depth--
Entry Type--
Water Typesalt
Dive Types
CaveReefWall

Dive Site Overview

Accessing many of Ireland's dive sites, including The Gully, often involves engaging with the country's vibrant local club scene. While some charter boats and dive shops operate independently, connecting with local subaqua clubs frequently provides essential boat access and compressor services, fostering a practical and communal approach for exploring the region's waters.

Located a brief five-minute journey from Mullaghmore Harbour in County Sligo, The Gully is exclusively a boat dive. This particular site accommodates all certification levels, presenting a maximum depth of 20 m (66 ft), well within recreational dive limits. Its bottom composition is mainly sand, and currents here are generally reported as limited, often leading to a more relaxed underwater experience.

Divers exploring here can expect a diverse offering, as The Gully exemplifies the range of environments found across Irish diving. It presents elements of reef, wall, and potential cave environments, showcasing the varied underwater topography typical of the region.

Booking through local dive schools or directly with clubs is often necessary for visiting sites like this, ensuring local knowledge and adherence to safe diving practices. This collaborative diving model defines much of the underwater exploration in Ireland's coastal areas.

The Gully: 8-20MTS

Conditions are Good

8/10
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
12° / 13°
Wave Height
1.3 m
Wind Speed
14 km/h NE
Rain Chance
0%

Current conditions near The Gully: 8-20MTS show 12° air, 13° sea temperature, 1.3 m waves, and 14 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 10, 2026, 16:13 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

For the most favorable dive conditions at The Gully, the period from April through August generally provides better opportunities. During these months, average air temperatures begin to rise, ranging from approximately 10°C (50°F) in April to over 16°C (61°F) in August, enhancing the overall topside experience. Critically, wave heights tend to be lower, averaging between 1.5 and 1.9 meters, and wind speeds are comparatively reduced, improving sea state for boat access. While water temperatures remain cool, often reaching the low 60s Fahrenheit (around 15-18°C) by late summer, fall and winter can offer better underwater clarity due to less plankton. Planning for the calmer summer months balances surface comfort with reasonable underwater conditions, although experienced divers might seek out the increased visibility of the cooler seasons when local conditions permit.

PEAK SEASON SCORE

55/100
Moderate

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


BEST MONTHS TO DIVE

MAY
JUN
JUL
DIVE SCORE
(0–100)
25
JAN
24
FEB
27
MAR
44
APR
55
MAY
54
JUN
55
JUL
46
AUG
41
SEP
37
OCT
27
NOV
23
DEC
AIR TEMP (°C)
6
8
9
10
13
15
15
16
14
12
10
9
WAVES (M)
2.9
3.2
2.8
1.9
1.6
1.6
1.6
2.0
2.1
2.3
2.7
3.6
WIND (KM/H)
31
33
30
26
22
25
25
28
27
27
30
35
RAIN (MM)
4.8
5.9
4.7
3.6
2.6
4.1
5.2
4.6
4.5
4.7
6.4
5.5
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

Divers exploring The Gully encounter a dive profile well-suited for recreational levels, with depths typically ranging from 8 to 20 m (26 to 66 ft). A sandy bottom defines much of the site, complemented by features that include aspects of reef, wall, and cave structures. This combination provides varied underwater topography, inviting exploration of crevices and ledges. Visibility here averages around 7 m (23 ft), though it can fluctuate significantly from 3 m to 10 m depending on local plankton levels and recent sea state. Currents are generally limited, potentially offering a more relaxed dive experience without demanding strenuous finning. Despite calm reports for specific conditions, divers should always monitor local forecasts, as coastal sites in Ireland can experience surge. Access to this location is a boat dive, making exploration from Mullaghmore Harbour efficient for reaching its diverse features.

Dive Difficulty & Safety Guidelines

Approaching any dive site in Ireland, including The Gully, requires an understanding of the region's dynamic marine environment. While The Gully is considered suitable for all levels, a cautious approach is advised, especially concerning surge and potential currents, which can vary. If strong winds and rough seas prevail, particularly along exposed coastlines or at offshore islands, prioritizing sheltered sites is a sensible strategy. Most diving in Ireland is facilitated through active local scuba clubs; connecting with them can provide crucial insights into current conditions and safe diving practices. Always ensure your equipment is appropriate for temperate water diving, and check local forecasts before planning your excursion. No specific hazards for The Gully are consistently reported, but general ocean safety protocols should always be followed.

Recommended Equipment

Overhead environment. Do not enter beyond training and gas planning limits.

  • Dive Computer
  • Primary & Backup Lights
  • Reel / Spool
  • Cutting Tool

This gear list is based on verified equipment signals for The Gully: 8-20MTS, Ireland. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

Temperatures look set to gradually increase over the next several days. A warming trend is expected over the next few days.

Divers who prefer a balanced level of warmth often select 7mm wetsuit or semidry in water temperatures like this. Consider warmer surface protection (like a boat coat) due to brisk winds. Strong cold advisory: dress warmly immediately after exiting the water.

At The Gully: 8-20MTS, the water is currently sitting around 13°C (55°F). Surface air temperatures are resting at 12°C (53°F).

The Gully: 8-20MTS conditions last reviewed: 16:13 local time (UTC-1), Jun 10, 2026

Due to technical issues with our weather providers, data hasn't been fetched for over 48 hours. The data above reflects the conditions at the time of the last successful fetch.

Emergency & Medical Support

Essential information to help you plan your dive trip to THE GULLY: 8-20mts.

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.

+

National Hyperbaric Medicine Unit at University Hospital Galway

ICU Capable
Galway, Ireland•Approx. 124 km straight-line
Facility Details
Operating Hours
Not listed
ICU Capable
Yes
Fully equipped ICU on-site
Chamber Type
Multi
Multi chamber facility
Facility / Hospital
University Hospital Galway
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 Ireland

Marine Life at The Gully: 8-20MTS

Initial observations at The Gully often reveal a vibrant presence of various crustaceans and fish. Divers can expect to encounter crabs navigating the sandy bottom and hiding within crevices. Lobsters are also a common sight, often found tucked away in the site's rocky formations. Additionally, several species of wrasse move among the reef sections and walls, contributing to the local marine ecology. While not exhaustive, these species represent the typical marine life that divers can observe during a visit to this Irish dive site.

1 / 2
Image contributors:Giacomo Merculiano, Hans Hillewaert + 2 more
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Dive Centers Near The Gully: 8-20MTS

Waterworld Dive Centre
3.3 km away

Waterworld Dive Centre

4.9| 31 reviews
Today: 09:00 - 21:00
Sun09:00 - 21:00
Mon09:00 - 21:00
Tue09:00 - 21:00
Wed09:00 - 21:00
Thu09:00 - 21:00
Fri09:00 - 21:00
Sat09:00 - 21:00

Nearest Airports

Nearest airports to help plan travel to this dive area.

Kerry AirportKIR
40 km
Shannon AirportSNN
87 km
Cork International AirportORK
120 km
💵Currency:EUR

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 The Gully?

Reaching a maximum depth of 20 m (66 ft), The Gully is suitable for divers of all certification levels within recreational limits.

How is visibility typically at The Gully?

Typically, visibility at The Gully ranges from 3 to 10 m, averaging 7 m (23 ft). Conditions fluctuate with plankton levels and sea state.

What kind of marine life can I expect to see?

Divers at The Gully commonly observe crabs, lobsters, and various wrasse species. The sandy bottom and reef structures provide habitat for these creatures.

What is the best way to access The Gully?

Accessed exclusively via boat, The Gully is a five-minute ride from Mullaghmore Harbour, County Sligo. Booking through a local dive school or club is usually required.

What are the typical water temperatures in Ireland?

Ocean temperatures around Ireland fluctuate seasonally, generally ranging from the low 40s Fahrenheit (around 4°C) in winter to the low 60s Fahrenheit (around 15-20°C) during summer months.

Are currents a concern at The Gully?

Currents at The Gully are generally limited. However, surge can occur like at any coastal site, so divers should be aware of local conditions.

What is the recommended thermal protection for diving in Ireland?

Given the cool water temperatures, a drysuit is often recommended for diving in Ireland. Alternatively, a thick 7 mm wetsuit provides adequate thermal protection for many divers, especially during warmer months.

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