United Kingdom

Horsea Island

3–6 mMax Depth

boatEntry

2Species

Conditions Summary

Model forecast · local time (GMT+1)

Model conditions signal91/100

Waves

0.5 m

4.0 s

Swell

0.5 m

3.3 s

Current speed

0.2 km/h

flowing toward E

Water temperature

15.9°C

Wind

13.3 km/h

→ W

Sea level

-0.2 m

rising

WavesWatch

SwellCalm

Current speedCalm

Planning window

16:00–17:00

Calmest model window

Forecast Overview

Tue, Oct 20Calm

Waves0.4–0.5 mCurrent speed0.7 km/h maxWater temperature15.9°C

TodayChallenging

Waves0.6–1.2 mCurrent speed1.6 km/h maxWater temperature15.7°C

TomorrowCalm

Waves0.4–1.2 mCurrent speed1.5 km/h maxWater temperature15.4°C

Fri, Oct 23Challenging

Waves1.2–2.3 mCurrent speed1.6 km/h maxWater temperature15.3°C

Next 72 hours

16:00

Waves: 0.5 m

Current speed: 0.2 km/h

Water temperature: 15.9°C

22:00

Waves: 0.4 m

Current speed: 0.3 km/h

Water temperature: 15.8°C

04:00

Waves: 0.9 m

Current speed: 0.9 km/h

Water temperature: 15.7°C

10:00

Waves: 1.0 m

Current speed: 0.4 km/h

Water temperature: 15.7°C

16:00

Waves: 1.0 m

Current speed: 1.1 km/h

Water temperature: 15.6°C

22:00

Waves: 0.6 m

Current speed: 0.6 km/h

Water temperature: 15.5°C

04:00

Waves: 0.8 m

Current speed: 0.9 km/h

Water temperature: 15.4°C

10:00

Waves: 0.6 m

Current speed: 1.1 km/h

Water temperature: 15.4°C

16:00

Waves: 0.4 m

Current speed: 1.3 km/h

Water temperature: 15.4°C

22:00

Waves: 1.0 m

Current speed: 1.5 km/h

Water temperature: 15.4°C

04:00

Waves: 1.8 m

Current speed: 1.5 km/h

Water temperature: 15.3°C

10:00

Waves: 1.7 m

Current speed: 1.2 km/h

Water temperature: 15.2°C

Catalog depth3–6 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 17.7°

Jan9.0°

Feb8.1°

Mar8.0°

Apr9.3°

May11.4°

Jun14.0°

Jul16.2°

Aug17.7°

Sep17.3°

Oct15.7°

Nov13.2°

Dec10.7°

Current: mild

Typical visibility: 5 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

shoresalt 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

Common periwinkle

Littorina littorea

DeepLog1

Thicklip grey mullet

Chelon labrosus

DeepLog1

Common black-headed gull

Larus ridibundus

Nearby OBIS observations14

Tubificoides benedii

Nearby OBIS observations11

Mew gull

Larus canus

Nearby OBIS observations10

Larus argentatus

Nearby OBIS observations5

Nematoda

Nearby OBIS observations5

Raja montagui

Nearby OBIS observations5

Anas platyrhynchos

Nearby OBIS observations4

Carcinus maenas

Nearby OBIS observations4

Dendrodoa grossularia

Nearby OBIS observations4

Eteone longa

Nearby OBIS observations4

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

DeepLog + OBIS →

Photos