United Kingdom

Stack Rocks

5–20 mMax Depth

boatEntry

9Species

Conditions Summary

Model forecast · local time (GMT+1)

Model conditions signal100/100

Waves

0.4 m

5.5 s

Swell

0.2 m

5.2 s

Current speed

0.9 km/h

flowing toward S

Water temperature

15.7°C

Wind

9.7 km/h

→ NE

Sea level

-0.3 m

rising

WavesCalm

SwellCalm

Current speedCalm

Planning window

21:15–21:00

Calmest model window

Forecast Overview

Sun, Oct 18Calm

Waves0.4–0.4 mCurrent speed0.9 km/h maxWater temperature15.7°C

Mon, Oct 19Watch

Waves0.4–1.0 mCurrent speed2.4 km/h maxWater temperature15.6°C

TodayWatch

Waves0.6–1.0 mCurrent speed2.9 km/h maxWater temperature15.5°C

TomorrowChallenging

Waves1.1–2.5 mCurrent speed2.6 km/h maxWater temperature15.3°C

Next 72 hours

21:00

Waves: 0.4 m

Current speed: 0.9 km/h

Water temperature: 15.7°C

03:00

Waves: 0.5 m

Current speed: 0.9 km/h

Water temperature: 15.7°C

09:00

Waves: 0.7 m

Current speed: 1.1 km/h

Water temperature: 15.6°C

15:00

Waves: 1.0 m

Current speed: 2.1 km/h

Water temperature: 15.6°C

21:00

Waves: 1.0 m

Current speed: 0.6 km/h

Water temperature: 15.6°C

03:00

Waves: 0.8 m

Current speed: 2.7 km/h

Water temperature: 15.5°C

09:00

Waves: 0.7 m

Current speed: 1.1 km/h

Water temperature: 15.5°C

15:00

Waves: 0.6 m

Current speed: 2.5 km/h

Water temperature: 15.5°C

21:00

Waves: 0.9 m

Current speed: 1.5 km/h

Water temperature: 15.5°C

03:00

Waves: 1.4 m

Current speed: 2.6 km/h

Water temperature: 15.4°C

09:00

Waves: 2.5 m

Current speed: 2.5 km/h

Water temperature: 15.4°C

15:00

Waves: 2.0 m

Current speed: 2.1 km/h

Water temperature: 15.3°C

Catalog depth5–20 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.

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 16.5°

Jan9.3°

Feb8.5°

Mar8.3°

Apr9.3°

May11.1°

Jun13.4°

Jul15.5°

Aug16.5°

Sep16.1°

Oct14.8°

Nov13.0°

Dec11.0°

Current: strong

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 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

Facelina auriculata

DeepLog6

Northern red anemone

Urticina felina

DeepLog2

Feather star

Antedon bifida

DeepLog1

Jewel anemone

Corynactis viridis

DeepLog1

Lined polycera sea slug

Polycera quadrilineata

DeepLog1

Nursehound

Scyliorhinus stellaris

DeepLog1

Plum anemone

Actinia equina

DeepLog1

Spotted sea hare

Aplysia punctata

DeepLog1

Thornback ray

Raja clavata

DeepLog1

Harbour porpoise

Phocoena phocoena

Nearby OBIS observations7

Chaetozone gibber

Nearby OBIS observations4

Alcyonidium gelatinosum

Nearby OBIS observations3

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

DeepLog + OBIS →

Photos