Europe › United Kingdom › England

St Mary's Island - West Bay

8 mMax Depth

ShoreEntry

4Species

Conditions Summary

Model forecast · local time (GMT+1)

Model conditions signal91/100

Waves

0.8 m

5.7 s

Swell

0.5 m

6.3 s

Current speed

0.9 km/h

flowing toward N

Water temperature

12.6°C

Wind

25.2 km/h

→ W

Sea level

-1.8 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

07:00–08:00

Calmest model window

Forecast Overview

TodayWatch

Waves0.5–0.8 mCurrent speed1.2 km/h maxWater temperature12.6°C

TomorrowChallenging

Waves0.5–1.8 mCurrent speed1.9 km/h maxWater temperature12.5°C

Sat, Oct 24Watch

Waves0.9–1.8 mCurrent speed2.0 km/h maxWater temperature12.1°C

Sun, Oct 25Watch

Waves0.9–1.0 mCurrent speed1.4 km/h maxWater temperature12.0°C

Next 72 hours

06:00

Waves: 0.8 m

Current speed: 0.9 km/h

Water temperature: 12.6°C

12:00

Waves: 0.7 m

Current speed: 1.0 km/h

Water temperature: 12.6°C

18:00

Waves: 0.5 m

Current speed: 1.0 km/h

Water temperature: 12.6°C

00:00

Waves: 0.5 m

Current speed: 0.7 km/h

Water temperature: 12.6°C

06:00

Waves: 0.8 m

Current speed: 1.5 km/h

Water temperature: 12.6°C

12:00

Waves: 1.3 m

Current speed: 1.6 km/h

Water temperature: 12.6°C

18:00

Waves: 1.2 m

Current speed: 0.4 km/h

Water temperature: 12.5°C

00:00

Waves: 1.8 m

Current speed: 2.0 km/h

Water temperature: 12.3°C

06:00

Waves: 1.3 m

Current speed: 1.0 km/h

Water temperature: 12.1°C

12:00

Waves: 0.9 m

Current speed: 1.9 km/h

Water temperature: 12.1°C

18:00

Waves: 1.3 m

Current speed: 1.1 km/h

Water temperature: 12.1°C

00:00

Waves: 1.0 m

Current speed: 1.2 km/h

Water temperature: 12.0°C

Catalog depth8 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.

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Dive Types

BeachReefSalt Water

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

Crab

From site catalogue

Lobster

From site catalogue

Octopus

From site catalogue

Seal

From site catalogue

Black-legged kittiwake

Rissa tridactyla

Nearby OBIS observations19

Bottlenose dolphin

Tursiops truncatus

Nearby OBIS observations14

Herring gull

Larus argentatus

Nearby OBIS observations13

Common murre

Uria aalge

Nearby OBIS observations8

Harbour porpoise

Phocoena phocoena

Nearby OBIS observations8

Amphiura filiformis

Nearby OBIS observations6

Anas platyrhynchos

Nearby OBIS observations5

Alcyonium digitatum

Nearby OBIS observations4

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

OBIS source →

Photos