United Kingdom

Mevagissey Gullies

5–25 mMax Depth

boatEntry

13Species

Conditions Summary

Model forecast · local time (GMT+1)

Model conditions signal91/100

Waves

0.6 m

4.4 s

Swell

0.4 m

3.9 s

Current speed

0.9 km/h

flowing toward SW

Water temperature

16.5°C

Wind

11.9 km/h

→ N

Sea level

-0.8 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

01:15–01:00

Calmest model window

Forecast Overview

Sun, Oct 18Watch

Waves0.6–0.8 mCurrent speed1.0 km/h maxWater temperature16.5°C

Mon, Oct 19Watch

Waves0.6–0.9 mCurrent speed0.6 km/h maxWater temperature16.4°C

Tue, Oct 20Calm

Waves0.4–0.8 mCurrent speed0.4 km/h maxWater temperature16.3°C

TodayWatch

Waves0.7–0.7 mCurrent speed0.5 km/h maxWater temperature16.3°C

Next 72 hours

01:00

Waves: 0.6 m

Current speed: 0.9 km/h

Water temperature: 16.5°C

07:00

Waves: 0.8 m

Current speed: 0.6 km/h

Water temperature: 16.5°C

13:00

Waves: 0.8 m

Current speed: 0.8 km/h

Water temperature: 16.5°C

19:00

Waves: 0.7 m

Current speed: 0.6 km/h

Water temperature: 16.4°C

01:00

Waves: 0.8 m

Current speed: 0.6 km/h

Water temperature: 16.4°C

07:00

Waves: 0.7 m

Current speed: 0.3 km/h

Water temperature: 16.4°C

13:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 16.4°C

19:00

Waves: 0.8 m

Current speed: 0.4 km/h

Water temperature: 16.4°C

01:00

Waves: 0.8 m

Current speed: 0.2 km/h

Water temperature: 16.3°C

07:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 16.3°C

13:00

Waves: 0.4 m

Current speed: 0.2 km/h

Water temperature: 16.4°C

19:00

Waves: 0.5 m

Current speed: 0.3 km/h

Water temperature: 16.3°C

Catalog depth5–25 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 16.9°

Jan10.5°

Feb9.8°

Mar9.6°

Apr10.3°

May12.0°

Jun14.4°

Jul16.3°

Aug16.9°

Sep16.0°

Oct14.6°

Nov13.1°

Dec11.7°

Current: mild

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 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

DeepLog12

Snakelocks anemone

Anemonia viridis

DeepLog4

Plum anemone

Actinia equina

DeepLog3

Small-spotted catshark

Scyliorhinus canicula

DeepLog3

Pollack

Pollachius pollachius

DeepLog2

Risso's grampus

Grampus griseus

DeepLog2

Sepia

Sepia officinalis

DeepLog2

Spiny starfish

Marthasterias glacialis

DeepLog2

Lion's mane jellyfish

Cyanea lamarckii

DeepLog1

Sand mason

Lanice conchilega

DeepLog1

Shore rockling

Gaidropsarus mediterraneus

DeepLog1

Three-spined stickleback

Gasterosteus aculeatus

DeepLog1

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

DeepLog + OBIS →

Photos