United Kingdom

Trenemene Reef

18–40 mMax Depth

boatEntry

6Species

Conditions Summary

Model forecast · local time (GMT+1)

Model conditions signal52/100

Waves

5.2 m

9.9 s

Swell

1.5 m

9.1 s

Current speed

2.1 km/h

flowing toward SE

Water temperature

15.2°C

Wind

63.7 km/h

→ NW

Sea level

-0.2 m

falling

WavesChallenging

SwellChallenging

Current speedWatch

Forecast Overview

TodayChallenging

Waves4.1–5.3 mCurrent speed2.1 km/h maxWater temperature15.0°C

TomorrowChallenging

Waves3.1–4.2 mCurrent speed1.7 km/h maxWater temperature14.9°C

Fri, Oct 23Challenging

Waves4.0–8.1 mCurrent speed3.3 km/h maxWater temperature14.2°C

Sat, Oct 24Challenging

Waves3.9–4.1 mCurrent speed1.6 km/h maxWater temperature14.0°C

Next 72 hours

03:00

Waves: 4.9 m

Current speed: 2.1 km/h

Water temperature: 15.2°C

09:00

Waves: 5.0 m

Current speed: 0.9 km/h

Water temperature: 15.0°C

15:00

Waves: 4.4 m

Current speed: 1.7 km/h

Water temperature: 15.0°C

21:00

Waves: 4.1 m

Current speed: 0.4 km/h

Water temperature: 15.0°C

03:00

Waves: 4.2 m

Current speed: 1.5 km/h

Water temperature: 14.9°C

09:00

Waves: 3.5 m

Current speed: 0.5 km/h

Water temperature: 14.9°C

15:00

Waves: 3.1 m

Current speed: 1.2 km/h

Water temperature: 14.9°C

21:00

Waves: 3.5 m

Current speed: 0.9 km/h

Water temperature: 14.8°C

03:00

Waves: 5.3 m

Current speed: 2.9 km/h

Water temperature: 14.5°C

09:00

Waves: 6.8 m

Current speed: 1.5 km/h

Water temperature: 14.2°C

15:00

Waves: 5.1 m

Current speed: 2.7 km/h

Water temperature: 14.1°C

21:00

Waves: 4.4 m

Current speed: 1.6 km/h

Water temperature: 14.0°C

Catalog depth18–40 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.

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 17.0°

Jan10.6°

Feb10.1°

Mar9.9°

Apr10.4°

May11.9°

Jun14.4°

Jul16.4°

Aug17.0°

Sep16.0°

Oct14.1°

Nov12.5°

Dec11.5°

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

reefsalt 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

Atlantic gray seal

Halichoerus grypus

DeepLog6

Cuckoo wrasse

Labrus mixtus

DeepLog1

European edible sea urchin

Echinus esculentus

DeepLog1

Plumosa anemone

Metridium senile

DeepLog1

Red-banded jellyfish

Chrysaora hysoscella

DeepLog1

Rock sculpin

Taurulus bubalis

DeepLog1

Laminaria hyperborea

Nearby OBIS observations7

Beadlet anemone

Actinia equina

Nearby OBIS observations5

Corynactis viridis

Nearby OBIS observations5

Spirobranchus

Nearby OBIS observations5

Steromphala cineraria

Nearby OBIS observations5

Pentapora foliacea

Nearby OBIS observations4

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

DeepLog + OBIS →

Photos