South Africa

Howards Castle

10–30 mMax Depth

boatEntry

33Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal71/100

Waves

1.4 m

7.5 s

Swell

1.2 m

7.1 s

Current speed

0.6 km/h

flowing toward SW

Water temperature

22.6°C

Wind

5.7 km/h

→ NW

Sea level

0.1 m

falling

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

TodayChallenging

Waves1.1–1.4 mCurrent speed1.2 km/h maxWater temperature22.9°C

TomorrowChallenging

Waves1.1–1.8 mCurrent speed0.9 km/h maxWater temperature22.9°C

Fri, Oct 23Challenging

Waves1.8–2.1 mCurrent speed0.5 km/h maxWater temperature23.0°C

Sat, Oct 24Challenging

Waves1.9–1.9 mCurrent speed0.2 km/h maxWater temperature22.9°C

Next 72 hours

03:00

Waves: 1.4 m

Current speed: 0.6 km/h

Water temperature: 22.6°C

09:00

Waves: 1.3 m

Current speed: 0.9 km/h

Water temperature: 22.7°C

15:00

Waves: 1.2 m

Current speed: 1.2 km/h

Water temperature: 23.2°C

21:00

Waves: 1.1 m

Current speed: 0.4 km/h

Water temperature: 22.9°C

03:00

Waves: 1.1 m

Current speed: 0.6 km/h

Water temperature: 22.8°C

09:00

Waves: 1.3 m

Current speed: 0.6 km/h

Water temperature: 22.8°C

15:00

Waves: 1.6 m

Current speed: 0.9 km/h

Water temperature: 23.1°C

21:00

Waves: 1.8 m

Current speed: 0.5 km/h

Water temperature: 23.1°C

03:00

Waves: 1.9 m

Current speed: 0.4 km/h

Water temperature: 23.0°C

09:00

Waves: 2.1 m

Current speed: 0.2 km/h

Water temperature: 22.9°C

15:00

Waves: 2.1 m

Current speed: 0.3 km/h

Water temperature: 23.0°C

21:00

Waves: 1.9 m

Current speed: 0.4 km/h

Water temperature: 23.0°C

Catalog depth10–30 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

Jun-Nov

Peak month

Feb 25.9°

Jan25.3°

Feb25.9°

Mar25.7°

Apr24.9°

May23.8°

Jun22.7°

Jul21.7°

Aug21.3°

Sep21.4°

Oct22.0°

Nov23.0°

Dec24.2°

Current: moderate

Typical visibility: 15 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

Brown surgeonfish

Acanthurus nigrofuscus

DeepLog4

Goldbar wrasse

Thalassoma hebraicum

DeepLog3

Bluespotted wrasse

Anampses caeruleopunctatus

DeepLog2

Moorish idol

Zanclus cornutus

DeepLog2

Natal knifejaw

Oplegnathus robinsoni

DeepLog2

Sand tiger shark

Carcharias taurus

DeepLog2

African butterflyfish

Chaetodon dolosus

DeepLog1

African chromodoris

Chromodoris africana

DeepLog1

Banded galjoen

Dichistius multifasciatus

DeepLog1

Bluestreak cleaner wrasse

Labroides dimidiatus

DeepLog1

Brownburnie

Chaetodon blackburnii

DeepLog1

Chromodoris celinae

DeepLog1

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

DeepLog + OBIS →

Photos