Portugal

Abismo Arco

10–30 mMax Depth

boatEntry

15Species

Conditions Summary

Model forecast · local time (GMT)

Model conditions signal62/100

Waves

1.9 m

11.3 s

Swell

1.9 m

9.8 s

Current speed

0.0 km/h

flowing toward E

Water temperature

21.6°C

Wind

6.4 km/h

→ E

Sea level

-0.0 m

WavesChallenging

SwellChallenging

Current speedCalm

Forecast Overview

Mon, Oct 19Challenging

Waves1.6–2.0 mCurrent speed0.6 km/h maxWater temperature21.6°C

Tue, Oct 20Challenging

Waves1.4–2.1 mCurrent speed1.0 km/h maxWater temperature21.6°C

TodayChallenging

Waves1.6–2.1 mCurrent speed1.1 km/h maxWater temperature21.5°C

TomorrowChallenging

Waves1.5–1.6 mCurrent speed0.6 km/h maxWater temperature21.4°C

Next 72 hours

08:00

Waves: 2.0 m

Current speed: 0.0 km/h

Water temperature: 21.6°C

14:00

Waves: 1.8 m

Current speed: 0.6 km/h

Water temperature: 21.6°C

20:00

Waves: 1.7 m

Current speed: 0.4 km/h

Water temperature: 21.7°C

02:00

Waves: 1.5 m

Current speed: 0.0 km/h

Water temperature: 21.6°C

08:00

Waves: 1.4 m

Current speed: 0.3 km/h

Water temperature: 21.5°C

14:00

Waves: 1.5 m

Current speed: 0.5 km/h

Water temperature: 21.6°C

20:00

Waves: 2.1 m

Current speed: 0.5 km/h

Water temperature: 21.5°C

02:00

Waves: 2.1 m

Current speed: 0.9 km/h

Water temperature: 21.4°C

08:00

Waves: 1.9 m

Current speed: 0.6 km/h

Water temperature: 21.4°C

14:00

Waves: 1.7 m

Current speed: 0.5 km/h

Water temperature: 21.5°C

20:00

Waves: 1.6 m

Current speed: 0.4 km/h

Water temperature: 21.6°C

02:00

Waves: 1.6 m

Current speed: 0.4 km/h

Water temperature: 21.4°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

Not available

Peak month

Aug 23.0°

Jan16.3°

Feb15.8°

Mar15.7°

Apr16.1°

May17.1°

Jun19.0°

Jul21.5°

Aug23.0°

Sep22.4°

Oct20.7°

Nov18.7°

Dec17.3°

Current: moderate

Typical visibility: 25 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.

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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

Rock-pool blenny

Parablennius parvicornis

DeepLog5

Thicklip grey mullet

Chelon labrosus

DeepLog5

Holothuria sanctori

DeepLog3

Portuguese man o'war

Physalia physalis

DeepLog3

Moroccan white seabream

Diplodus cadenati

DeepLog2

Redlip blenny

Ophioblennius atlanticus

DeepLog2

Atlantic lizardfish

Synodus saurus

DeepLog1

Blacktail comber

Serranus atricauda

DeepLog1

Cuckoo wrasse

Labrus mixtus

DeepLog1

Dusky grouper

Epinephelus marginatus

DeepLog1

Grey triggerfish

Balistes capriscus

DeepLog1

Guinean pufferfish

Sphoeroides marmoratus

DeepLog1

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

DeepLog + OBIS →

Photos