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Arno

3.7 — based on 14 community signals
4.2 12 species 19 contributors

Arno is a year-round UK dive destination with 12 recorded species observations and growing community video documentation.

⭐ Best for beginners.

updated 4 months ago
Difficulty
Beginner

At a glance

Activity
dive
Difficulty
beginner
Best months
Year-round

Top operators here

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Map

This spot Operators Airport Nearby spots
Arno location map © Google · Map data © Google, contributors
Open in Google Maps

Conditions today

Conditions

Open-Meteo
Wind
24.1 kn
Wave
1.6 m
Water
18.3°C
N E S W
Wind direction (7d)
Primary: WSW (47%)
Now: WSW (241°)
Tide (7 days)
range: 3.41m

Today: High 04:00 (+0.51m), Low 10:00 (-1.3m)

+1.4 m0 m-2.0 m
▲ 04:00 · +0.51m ▼ 10:00 · -1.3m ▲ 17:00 · +0.55m ▼ 23:00 · -1.09m Now -0.6m
Sat 19Sun 20Mon 21Tue 22Wed 23Thu 24Fri 25
UV2.6 · low Air PM2.57 · good 06:44 19:08
Day Wind Wave UV Rain
09-19 24.3 1.66 3 0mm
09-20 20.2 1.36 4 0mm
09-21 5.2 0.34 5 0mm
09-22 5.1 0.14 4 0mm
09-23 11.1 0.32 4 0mm
09-24 7.2 0.42 4 0mm
09-25 6.2 0.22 4 0mm

About this spot

Arno offers diving opportunities in UK waters with active community engagement. The site has generated 12 documented species observations, indicating reasonable marine life diversity for the region. Three community videos are available, providing visual reference for divers planning visits. The dive site is not located within a Marine Protected Area, which may affect access and usage policies. Current data on water temperature, visibility, and specific depth ranges is limited, so divers should contact local resources or recent trip reports before planning visits. UK diving conditions vary seasonally, but Arno is accessible year-round. Water conditions, marine life encounters, and visibility will shift with the calendar. Spring and autumn typically offer reasonable viz in many UK locations, while winter brings colder water and summer can bring warmer conditions but reduced visibility in some areas. Check recent community videos and reports for current conditions before diving. Local knowledge from UK dive operators and fellow divers will give you the most accurate picture of what to expect on any given visit.

📖 Guide: Diving in the United Kingdom: 57 Sites From Wrecks to Seals

Best months

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Trip essentials

Everything you need before you pack — checklist, sun, logistics.

Trip checklist

  • 🛂 Visa-free or visa-on-arrival
  • 📜 C-card + dive insurance (DAN)
  • 📔 Dive logbook
  • 🧴 Reef-safe sunscreen SPF 50+
  • 🔌 Plug type G · 230V adapter
  • 💊 Seasickness meds + ear drops
  • 📱 Offline maps + emergency contact

Quick facts

  • 🌓 Moon First quarter · 48%
  • GPS
Sustainability disclosures
🌍 CO2 footprint LHR ↔ 88km · ~20kg · €0

FAQ

Can I dive Arno year-round?

Yes, Arno is accessible year-round. UK water temperatures and visibility vary by season, so check recent condition reports and community videos before your trip.

What marine life has been recorded at Arno?

Twelve species observations have been documented at Arno. Review community videos and local dive logs for details on specific species and recent sightings.

Is Arno in a protected area?

Arno is not located within a Marine Protected Area, which may affect local diving regulations. Always verify current access rules and any local guidelines before diving.

What are the depth and difficulty levels at Arno?

Specific depth and difficulty data for Arno is not currently documented. Consult recent trip reports, community videos, and local UK dive contacts for site-specific conditions.

Operators near this spot

Dive centres, kite & surf schools within 10 km, sourced from OpenStreetMap.

Recently spotted by divers

iNaturalist →

Verified marine species observations

1 records · 1 species · sources: OBIS, GBIF

Mustelus asterias

Elasmobranchii · Triakidae
GBIF
Last seen:
24 Jan 2026
×1records

Data: 187,991 observations from OBIS (Ocean Biodiversity Information System) and GBIF (Global Biodiversity Information Facility). CC-BY 4.0.

See this spot in action

YouTube videos — click to play.

Assassin's Creed Unity: Introduction to Arno [UK]

Assassin's Creed

Pickpocket King Bob Arno

BobArnoOfficial

TITANIC TRIBUTE 2014

Arno Snyman

Local knowledge

OpenStreetMap Notes
  • "Horns Lane is permanently inaccessible between Summer Lane and Church Barton House. For Church Barton House use the concrete road off Pagham Road to the south."

    anonymous · 2026-04-18
  • "looks like bridges connecting these islands on satellite. is this place surveyable?"

    DorneyLake123 · 2024-06-25
wind peaks Dec-Feb-Nov, calmest Jul-Aug-Jun, dry Jan-Dec.

5-year monthly climate

60 samples
0 5 10 15 20 25 JFMAMJJASOND
p25–p75 range Median Wind (kn) Air (°C)
Visibility (month-by-month)
Best: Jun (100/100) Worst: Apr (0/100) Now: Sep (95/100) NOAA MODIS Aqua · 5y mean

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