Europe › United Kingdom

Arno

10–30 mMax Depth

boatEntry

1Species

Conditions Summary

Model forecast · local time (GMT+1)

Model conditions signal91/100

Waves

0.6 m

3.4 s

Swell

0.5 m

3.0 s

Current speed

0.7 km/h

flowing toward E

Water temperature

16.6°C

Wind

29.2 km/h

→ NE

Sea level

-0.6 m

rising

WavesWatch

SwellCalm

Current speedCalm

Planning window

02:45–02:00

Calmest model window

Forecast Overview

Tue, Oct 20Watch

Waves0.5–0.9 mCurrent speed2.9 km/h maxWater temperature16.6°C

TodayChallenging

Waves0.8–1.9 mCurrent speed3.6 km/h maxWater temperature16.4°C

TomorrowChallenging

Waves1.2–2.3 mCurrent speed3.3 km/h maxWater temperature16.2°C

Fri, Oct 23Challenging

Waves2.7–3.1 mCurrent speed1.2 km/h maxWater temperature16.4°C

Next 72 hours

02:00

Waves: 0.6 m

Current speed: 1.1 km/h

Water temperature: 16.6°C

08:00

Waves: 0.8 m

Current speed: 2.9 km/h

Water temperature: 16.6°C

14:00

Waves: 0.7 m

Current speed: 1.5 km/h

Water temperature: 16.6°C

20:00

Waves: 0.5 m

Current speed: 1.5 km/h

Water temperature: 16.6°C

02:00

Waves: 0.9 m

Current speed: 2.6 km/h

Water temperature: 16.6°C

08:00

Waves: 1.3 m

Current speed: 1.2 km/h

Water temperature: 16.5°C

14:00

Waves: 1.8 m

Current speed: 3.2 km/h

Water temperature: 16.3°C

20:00

Waves: 1.6 m

Current speed: 0.4 km/h

Water temperature: 16.2°C

02:00

Waves: 1.6 m

Current speed: 2.2 km/h

Water temperature: 16.2°C

08:00

Waves: 2.0 m

Current speed: 0.4 km/h

Water temperature: 16.2°C

14:00

Waves: 1.3 m

Current speed: 1.3 km/h

Water temperature: 16.2°C

20:00

Waves: 1.5 m

Current speed: 0.7 km/h

Water temperature: 16.3°C

Catalog depth10–30 m

Data sources & field guideOpen-Meteo Marine + Weather APIs

Planning context, not a safety guarantee. Coastal model accuracy is limited. Confirm the actual briefing, entry, exit, and suitability with a local operator.

Updated: cached data

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

May-Sep

Peak month

Aug 17.7°

Jan9.0°

Feb8.1°

Mar8.0°

Apr9.3°

May11.4°

Jun14.0°

Jul16.2°

Aug17.7°

Sep17.3°

Oct15.7°

Nov13.2°

Dec10.7°

Current: moderate

Typical visibility: 8 m

Historical planning data from the recorded site profile. Water temperature and conditions can vary by day, depth, and weather; confirm current conditions with a local operator.

Explore nearby centers on the map

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Dive Types

wrecksalt Waterintermediate Difficulty

Questions to ask a local operator

What are today's current, visibility, entry, and exit conditions?
Does the planned route stay within my certification and recent experience?
Are there local permits, conservation rules, or equipment requirements?

Common Species

12 km · nearby observations

Thornback ray

Raja clavata

DeepLog1

Hilbigneris gracilis

Nearby OBIS observations6

Mytilus edulis

Nearby OBIS observations6

Trisopterus luscus

Nearby OBIS observations6

Harmothoe impar

Nearby OBIS observations5

Scyliorhinus canicula

Nearby OBIS observations5

Amphipholis squamata

Nearby OBIS observations4

Crepidula fornicata

Nearby OBIS observations4

Pisidia longicornis

Nearby OBIS observations4

Ascidiacea

Nearby OBIS observations3

Buglossidium luteum

Nearby OBIS observations3

Calliblepharis ciliata

Nearby OBIS observations3

These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.

DeepLog + OBIS →