South Africa

Aster

18–27 mMax Depth

boatEntry

5Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal62/100

Waves

2.6 m

10.6 s

Swell

2.5 m

9.3 s

Current speed

0.8 km/h

flowing toward NW

Water temperature

16.0°C

Wind

20.0 km/h

→ S

Sea level

-0.5 m

falling

WavesChallenging

SwellChallenging

Current speedCalm

Forecast Overview

Sun, Oct 18Challenging

Waves2.3–2.6 mCurrent speed0.9 km/h maxWater temperature15.9°C

Mon, Oct 19Challenging

Waves1.7–2.3 mCurrent speed0.6 km/h maxWater temperature15.7°C

Tue, Oct 20Challenging

Waves1.6–2.3 mCurrent speed1.1 km/h maxWater temperature15.5°C

TodayChallenging

Waves2.4–2.9 mCurrent speed0.7 km/h maxWater temperature15.5°C

Next 72 hours

13:00

Waves: 2.6 m

Current speed: 0.8 km/h

Water temperature: 16.0°C

19:00

Waves: 2.4 m

Current speed: 0.9 km/h

Water temperature: 15.9°C

01:00

Waves: 2.3 m

Current speed: 0.6 km/h

Water temperature: 15.7°C

07:00

Waves: 2.1 m

Current speed: 0.5 km/h

Water temperature: 15.5°C

13:00

Waves: 2.0 m

Current speed: 0.4 km/h

Water temperature: 15.8°C

19:00

Waves: 1.8 m

Current speed: 0.4 km/h

Water temperature: 15.8°C

01:00

Waves: 1.7 m

Current speed: 0.5 km/h

Water temperature: 15.4°C

07:00

Waves: 1.6 m

Current speed: 0.6 km/h

Water temperature: 15.1°C

13:00

Waves: 1.8 m

Current speed: 0.9 km/h

Water temperature: 15.6°C

19:00

Waves: 2.0 m

Current speed: 0.2 km/h

Water temperature: 15.7°C

01:00

Waves: 2.4 m

Current speed: 0.4 km/h

Water temperature: 15.5°C

07:00

Waves: 2.8 m

Current speed: 0.7 km/h

Water temperature: 15.5°C

Catalog depth18–27 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

Oct-Apr

Peak month

Jan 18.6°

Jan18.6°

Feb18.6°

Mar17.7°

Apr16.4°

May16.0°

Jun15.6°

Jul15.0°

Aug14.9°

Sep15.2°

Oct15.7°

Nov16.9°

Dec18.0°

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

wrecksalt 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

Tasmanian fur seal

Arctocephalus pusillus

DeepLog2

Chrysaora agulhensis

DeepLog1

Heaviside's dolphin

Cephalorhynchus heavisidii

DeepLog1

Mediterranean mussel

Mytilus galloprovincialis

DeepLog1

Onefin electric ray

Narke capensis

DeepLog1

Thyrsites atun

Nearby OBIS observations118

Pachymetopon blochii

Nearby OBIS observations48

Thunnus alalunga

Nearby OBIS observations29

Scombridae

Nearby OBIS observations14

Thunnus albacares

Nearby OBIS observations13

Loligo reynaudii

Nearby OBIS observations11

Humpback whale

Megaptera novaeangliae

Nearby OBIS observations9

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

DeepLog + OBIS →

Photos