São Tomé and Príncipe

Ilheu Santana

10–25 mMax Depth

boatEntry

5Species

Conditions Summary

Model forecast · local time (GMT)

Model conditions signal81/100

Waves

0.9 m

11.7 s

Swell

0.8 m

11.6 s

Current speed

0.8 km/h

flowing toward NW

Water temperature

28.2°C

Wind

8.8 km/h

→ S

Sea level

-0.1 m

falling

WavesWatch

SwellWatch

Current speedCalm

Forecast Overview

Tue, Oct 20Watch

Waves0.9–0.9 mCurrent speed1.1 km/h maxWater temperature28.1°C

TodayWatch

Waves0.9–1.1 mCurrent speed1.1 km/h maxWater temperature27.9°C

TomorrowChallenging

Waves1.1–1.1 mCurrent speed1.5 km/h maxWater temperature28.0°C

Fri, Oct 23Watch

Waves1.0–1.0 mCurrent speed1.9 km/h maxWater temperature27.9°C

Next 72 hours

14:00

Waves: 0.9 m

Current speed: 0.8 km/h

Water temperature: 28.2°C

20:00

Waves: 0.9 m

Current speed: 1.1 km/h

Water temperature: 28.0°C

02:00

Waves: 0.9 m

Current speed: 0.4 km/h

Water temperature: 27.8°C

08:00

Waves: 1.0 m

Current speed: 0.9 km/h

Water temperature: 27.9°C

14:00

Waves: 1.0 m

Current speed: 0.5 km/h

Water temperature: 28.1°C

20:00

Waves: 1.1 m

Current speed: 1.1 km/h

Water temperature: 27.9°C

02:00

Waves: 1.1 m

Current speed: 0.4 km/h

Water temperature: 27.8°C

08:00

Waves: 1.1 m

Current speed: 1.1 km/h

Water temperature: 27.9°C

14:00

Waves: 1.1 m

Current speed: 0.5 km/h

Water temperature: 28.2°C

20:00

Waves: 1.1 m

Current speed: 1.5 km/h

Water temperature: 28.0°C

02:00

Waves: 1.0 m

Current speed: 0.2 km/h

Water temperature: 27.8°C

08:00

Waves: 1.0 m

Current speed: 1.5 km/h

Water temperature: 27.9°C

Catalog depth10–25 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.

Updated: cached data

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Jun-Sep

Peak month

Mar 29.2°

Jan28.5°

Feb28.8°

Mar29.2°

Apr29.0°

May28.2°

Jun26.7°

Jul25.8°

Aug25.6°

Sep26.0°

Oct26.8°

Nov27.5°

Dec28.0°

Current: mild

Typical visibility: 20 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

Bunch whale

Megaptera novaeangliae

DeepLog2

Bottlefish boxfish

Acanthostracion notacanthus

DeepLog1

Niger hind

Cephalopholis nigri

DeepLog1

Oreaster clavatus

DeepLog1

Smalltooth stingray

Hypanus rudis

DeepLog1

Rotula deciesdigitatus

Nearby OBIS observations13

Egretta gularis

Nearby OBIS observations8

Boops boops

Nearby OBIS observations6

Cardisoma armatum

Nearby OBIS observations6

Octocorallia

Nearby OBIS observations6

Periophthalmus barbarus

Nearby OBIS observations6

Awaous lateristriga

Nearby OBIS observations5

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

DeepLog + OBIS →

Photos