United Kingdom

Thatcher s Rock

10–20 mMax Depth

boatEntry

9Species

Conditions Summary

Model forecast · local time (GMT+1)

Model conditions signal81/100

Waves

1.0 m

4.3 s

Swell

0.5 m

4.7 s

Current speed

0.6 km/h

flowing toward E

Water temperature

15.9°C

Wind

20.5 km/h

→ W

Sea level

-0.7 m

falling

WavesChallenging

SwellCalm

Current speedCalm

Planning window

01:00–02:00

Calmest model window

Forecast Overview

TodayChallenging

Waves1.0–1.3 mCurrent speed1.0 km/h maxWater temperature15.9°C

TomorrowWatch

Waves0.9–2.0 mCurrent speed1.5 km/h maxWater temperature15.9°C

Fri, Oct 23Challenging

Waves0.9–2.8 mCurrent speed1.8 km/h maxWater temperature16.0°C

Sat, Oct 24Watch

Waves0.8–0.9 mCurrent speed1.4 km/h maxWater temperature15.6°C

Next 72 hours

06:00

Waves: 1.0 m

Current speed: 0.6 km/h

Water temperature: 15.9°C

12:00

Waves: 1.3 m

Current speed: 0.2 km/h

Water temperature: 15.9°C

18:00

Waves: 1.1 m

Current speed: 0.9 km/h

Water temperature: 15.9°C

00:00

Waves: 1.3 m

Current speed: 0.3 km/h

Water temperature: 15.8°C

06:00

Waves: 1.3 m

Current speed: 0.9 km/h

Water temperature: 15.8°C

12:00

Waves: 0.9 m

Current speed: 0.4 km/h

Water temperature: 15.8°C

18:00

Waves: 1.1 m

Current speed: 1.5 km/h

Water temperature: 15.9°C

00:00

Waves: 2.2 m

Current speed: 0.6 km/h

Water temperature: 16.2°C

06:00

Waves: 2.8 m

Current speed: 1.6 km/h

Water temperature: 16.1°C

12:00

Waves: 2.2 m

Current speed: 0.4 km/h

Water temperature: 16.0°C

18:00

Waves: 1.4 m

Current speed: 1.5 km/h

Water temperature: 15.8°C

00:00

Waves: 0.9 m

Current speed: 0.5 km/h

Water temperature: 15.6°C

Catalog depth10–20 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 16.6°

Jan9.9°

Feb9.1°

Mar8.8°

Apr9.7°

May11.5°

Jun13.8°

Jul15.7°

Aug16.6°

Sep16.5°

Oct15.5°

Nov13.5°

Dec11.4°

Current: moderate

Typical visibility: 7.5 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

driftsalt Waterbeginner 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

King scallop

Pecten maximus

DeepLog2

Arctic hiatella

Hiatella arctica

DeepLog1

Common periwinkle

Littorina littorea

DeepLog1

Oyster drill

Ocenebra erinaceus

DeepLog1

Red-banded jellyfish

Chrysaora hysoscella

DeepLog1

Red starfish

Asterias rubens

DeepLog1

Slipper limpet

Crepidula fornicata

DeepLog1

Snakelocks anemone

Anemonia viridis

DeepLog1

Strawberry anemone

Actinia fragacea

DeepLog1

Common dolphin

Delphinus delphis

Nearby OBIS observations7

Harbour porpoise

Phocoena phocoena

Nearby OBIS observations7

Cancer pagurus

Nearby OBIS observations6

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

DeepLog + OBIS →

Photos