Scuba Diving at Arches

Diving atArches (Greece)

Beneath the surface of the Aegean, the Arches dive site in Greece reveals a geological tapestry, shaped over millennia by water and tectonic forces. These natural formations present an intricate underwater landscape, akin to exploring ancient, submerged architecture. Each arch and cavern tells a silent story of erosion and endurance, inviting divers to trace the contours of time itself.

Evening condition tracking at Arches features an air temperature of 23°C. We have recorded wave heights measuring 0.8 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.

Coordinates39.3953, 20.2331
Site Characteristics
Ocean
Max Depth40m / 131ft
Entry Typeboat
Water Typesalt
Dive Types
CavernDeepWall

Dive Site Overview

Arches presents a distinct underwater experience in Greece, characterized by impressive natural rock formations. Divers encounter a varied topography featuring significant arches, accessible swim-through caverns, and dramatic reef walls.

The initial entry point typically leads to a shallower area, ideal for training and more relaxed explorations, starting around 7 meters. From this point, the site descends across a multilevel bottom, reaching maximum recreational depths of 40 m (131 ft). Certain sections of the extensive reef wall drop considerably deeper, extending beyond standard recreational limits for specialized divers.

For those with advanced certifications, a deep cave sits at approximately 30 m (100 ft), adorned with an array of vibrant sessile life including sponges and small corals. Navigating the deeper sections often leads back towards the main arch, providing an alternative perspective on its grandeur and scale.

This boat-accessible site is primarily a rocky dive spot, with minimal sandy bottom areas, focusing exploration on its dramatic geological features. Boat entry is the standard approach, facilitating direct access to the most compelling aspects of this intricate underwater landscape.

Arches

Conditions are Excellent

9/10
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
23° / 24°
Wave Height
0.6 m
Wind Speed
15 km/h SW
Rain Chance
0%

Current conditions near Arches show 23° air, 24° sea temperature, 0.6 m waves, and 15 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 12, 2026, 21:22 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Planning a dive to Arches is best executed during the warmer months, specifically from June through September, when air temperatures consistently hover between 26-29°C (79-84°F). This period typically sees the lowest rainfall, ranging from 0.1 to 2.9 mm, ensuring clearer skies and generally calmer seas. Conditions remain very good into October, with air temperatures around 19°C (66°F), making the shoulder seasons quite appealing for fewer crowds. Even early spring, like March and April, offers good dive scores, though with cooler air averaging 13-15°C (55-59°F). Regardless of the specific month, stable sea conditions and excellent underwater visibility are common throughout much of the diving season, enhancing the overall experience.

PEAK SEASON SCORE

92/100
Excellent

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


BEST MONTHS TO DIVE

JUN
JUL
AUG
DIVE SCORE
(0–100)
61
JAN
66
FEB
74
MAR
78
APR
83
MAY
94
JUN
90
JUL
91
AUG
90
SEP
82
OCT
64
NOV
74
DEC
AIR TEMP (°C)
11
11
13
16
20
26
29
28
23
19
15
11
WAVES (M)
1.1
1.0
0.8
0.8
0.7
0.4
0.6
0.5
0.5
0.7
1.1
0.8
WIND (KM/H)
19
19
18
17
17
16
18
17
15
15
18
14
RAIN (MM)
8.5
5.4
2.8
2.7
2.4
0.6
0.1
1.8
3.0
3.9
10.9
4.2
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

Entering Arches, divers are often struck by the remarkably clear water, with visibility frequently extending to significant distances. The diving experience here is generally serene; currents are typically mild or absent, and surge is usually minimal. During warmer months, summertime water temperatures can reach up to 23°C (73°F). Conversely, winter dives will encounter cooler waters, ranging between 14-18°C (57-64°F). These stable conditions allow for comfortable diving, enabling divers to fully focus on the intricate rock formations and the diverse marine life present. Exploring the multilevel bottom and navigating the numerous swim-through caverns feels effortless, enhancing the overall appreciation of this unique underwater environment.

Dive Difficulty & Safety Guidelines

Approaching Arches requires mindful preparation, catering to a range of diver skill levels. The shallower sections are well-suited for Open Water divers, particularly around the initial entry points and within the naturally lit swim-through caverns. For exploring the deep cave or following the dramatic reef wall that extends beyond recreational limits, an Advanced Open Water certification is essential. Divers considering these deeper explorations should also consider specific Deep Diver training. The site, accessible exclusively by boat, typically presents mild to no current, but carrying a Delayed Surface Marker Buoy (DSMB) is always a prudent piece of safety equipment. A dive torch is advisable for illuminating the darker corners of the caverns and the deeper cave systems, ensuring full appreciation of the environment.

Recommended Equipment

Deep dive hazard. Increased narcosis and gas consumption risk.

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

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

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

Recommended Dive Suit

Recent conditions suggest the water at Arches remains near 24°C (76°F), offering typical conditions for the area. Surface air temperatures are resting at 23°C (73°F).

Forecasts suggest rising temperatures later this week. A warming trend is expected over the next few days.

Most divers would typically feel comfortable using 3mm wetsuit in these conditions. Consider warmer surface protection (like a boat coat) due to brisk winds. Surface intervals may feel cooler. Dive depth and duration can significantly affect perceived warmth. Stronger winds may also make surface intervals feel cooler than usual.

Arches conditions last reviewed: 21:22 local time (UTC+1), Jun 12, 2026

Due to technical issues with our weather providers, live updates are temporarily delayed. 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 Arches.

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.

Marine Life at Arches

The vibrant reef fish communities are immediately noticeable upon entering the water at Arches. Divers frequently spot parrotfish, snappers, and groupers moving among the rocky outcrops. Within the deeper cave areas, walls come alive with shrimps, starfish, and colorful soft corals. Keep an eye out for less common sightings like barracuda and moray eels navigating the deeper sections, and don't miss the chance to spot the slender pipefish, which blend well with the surrounding environment.

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Image contributors:Yellow.Cat, Ewa Barska
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Nearest Airports

Nearest airports to help plan travel to this dive area.

Corfu Ioannis Kapodistrias International AirportCFU
36 km
Ioannina King Pyrrhus National AirportIOA
61 km
Aktion National AirportPVK
70 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 Arches?

Arches features a multilevel bottom, with recreational depths reaching up to 40 m (131 ft). Certain parts of the reef wall extend to significant depths, suitable only for technical diving.

Is Arches suitable for beginner divers?

Yes, a shallow area around the initial entry point and a naturally lit swim-through cavern are suitable for Open Water divers. Deeper sections of the site require advanced certifications for safe exploration.

What kind of visibility can I expect?

The water at Arches is typically very clear, with visibility often reaching excellent distances. Stable sea conditions contribute to consistently good underwater clarity.

What are the water temperatures like?

During the summer months, water temperatures can reach up to 23°C (73°F). In winter, temperatures are cooler, usually ranging between 14-18°C (57-64°F).

How do I access the Arches dive site?

Arches is exclusively accessible by boat. Dive operators typically arrange boat trips from nearby coastal areas to reach the site efficiently.

Are there strong currents at Arches?

Currents at Arches are generally mild or absent, and surge is usually minimal. This contributes to a calm and enjoyable diving experience for most divers.

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