United Kingdom

Longstone

10–25 mMax Depth

boatEntry

3Species

Conditions Summary

Model forecast · local time (GMT+1)

Model conditions signal91/100

Waves

0.9 m

3.8 s

Swell

0.4 m

4.0 s

Current speed

1.3 km/h

flowing toward SE

Water temperature

13.2°C

Wind

38.9 km/h

→ SW

Sea level

1.1 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

15:00–16:00

Calmest model window

Forecast Overview

Wed, Oct 14Watch

Waves0.9–1.0 mCurrent speed2.7 km/h maxWater temperature13.2°C

Thu, Oct 15Watch

Waves0.5–1.0 mCurrent speed2.7 km/h maxWater temperature13.2°C

Fri, Oct 16Watch

Waves0.4–0.6 mCurrent speed2.3 km/h maxWater temperature13.1°C

Sat, Oct 17Challenging

Waves0.8–1.4 mCurrent speed2.1 km/h maxWater temperature13.0°C

Next 72 hours

17:00

Waves: 0.9 m

Current speed: 1.5 km/h

Water temperature: 13.2°C

23:00

Waves: 1.0 m

Current speed: 2.4 km/h

Water temperature: 13.2°C

05:00

Waves: 0.9 m

Current speed: 2.4 km/h

Water temperature: 13.2°C

11:00

Waves: 0.9 m

Current speed: 2.3 km/h

Water temperature: 13.2°C

17:00

Waves: 0.7 m

Current speed: 2.5 km/h

Water temperature: 13.2°C

23:00

Waves: 0.5 m

Current speed: 1.9 km/h

Water temperature: 13.1°C

05:00

Waves: 0.5 m

Current speed: 2.3 km/h

Water temperature: 13.1°C

11:00

Waves: 0.5 m

Current speed: 1.9 km/h

Water temperature: 13.1°C

17:00

Waves: 0.5 m

Current speed: 2.2 km/h

Water temperature: 13.1°C

23:00

Waves: 0.6 m

Current speed: 1.7 km/h

Water temperature: 13.1°C

05:00

Waves: 1.4 m

Current speed: 1.9 km/h

Water temperature: 13.0°C

11:00

Waves: 1.3 m

Current speed: 1.3 km/h

Water temperature: 13.0°C

Catalog depth10–25 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 14.5°

Jan7.4°

Feb6.5°

Mar6.4°

Apr7.2°

May9.1°

Jun11.6°

Jul13.9°

Aug14.5°

Sep13.0°

Oct11.6°

Nov10.4°

Dec8.8°

Current: moderate

Typical visibility: 10 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

Atlantic gray seal

Halichoerus grypus

DeepLog12

Pacific bottlenose dolphin

Tursiops truncatus

DeepLog1

Sun jellyfish

Cyanea capillata

DeepLog1

Northern gannet

Morus bassanus

Nearby OBIS observations13

Black-legged kittiwake

Rissa tridactyla

Nearby OBIS observations9

Atlantic puffin

Fratercula arctica

Nearby OBIS observations7

Common murre

Uria aalge

Nearby OBIS observations5

Echinus esculentus

Nearby OBIS observations5

Asterias rubens

Nearby OBIS observations4

Gulosus aristotelis

Nearby OBIS observations4

Somateria mollissima

Nearby OBIS observations4

Acartia

Nearby OBIS observations3

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

DeepLog + OBIS →

Photos