Greece

Marathonissi

12–21 mMax Depth

boatEntry

58Species

Conditions Summary

Model forecast · local time (GMT+3)

Model conditions signal90/100

Waves

0.1 m

3.4 s

Swell

0.1 m

2.6 s

Current speed

1.6 km/h

flowing toward W

Water temperature

24.1°C

Wind

6.2 km/h

→ NE

Sea level

-0.5 m

WavesCalm

SwellCalm

Current speedWatch

Planning window

12:45–12:00

Calmest model window

Forecast Overview

Mon, Oct 19Watch

Waves0.1–0.2 mCurrent speed1.7 km/h maxWater temperature24.1°C

Tue, Oct 20Watch

Waves0.1–0.2 mCurrent speed1.7 km/h maxWater temperature24.0°C

TodayWatch

Waves0.2–0.9 mCurrent speed1.7 km/h maxWater temperature23.9°C

TomorrowWatch

Waves0.7–0.9 mCurrent speed1.6 km/h maxWater temperature23.9°C

Next 72 hours

12:00

Waves: 0.1 m

Current speed: 1.6 km/h

Water temperature: 24.1°C

18:00

Waves: 0.2 m

Current speed: 1.7 km/h

Water temperature: 24.1°C

00:00

Waves: 0.1 m

Current speed: 1.5 km/h

Water temperature: 24.0°C

06:00

Waves: 0.1 m

Current speed: 1.6 km/h

Water temperature: 24.0°C

12:00

Waves: 0.1 m

Current speed: 1.7 km/h

Water temperature: 24.1°C

18:00

Waves: 0.1 m

Current speed: 1.7 km/h

Water temperature: 24.1°C

00:00

Waves: 0.2 m

Current speed: 1.7 km/h

Water temperature: 23.9°C

06:00

Waves: 0.3 m

Current speed: 1.7 km/h

Water temperature: 23.8°C

12:00

Waves: 0.6 m

Current speed: 1.5 km/h

Water temperature: 23.8°C

18:00

Waves: 0.8 m

Current speed: 1.5 km/h

Water temperature: 23.9°C

00:00

Waves: 0.9 m

Current speed: 1.6 km/h

Water temperature: 23.9°C

06:00

Waves: 0.7 m

Current speed: 1.4 km/h

Water temperature: 23.9°C

Catalog depth12–21 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-Oct

Peak month

Aug 25.9°

Jan16.1°

Feb15.4°

Mar15.3°

Apr16.3°

May18.9°

Jun22.3°

Jul24.6°

Aug25.9°

Sep25.0°

Oct22.9°

Nov20.4°

Dec17.8°

Current: mild

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

Devil firefish

Pterois miles

DeepLog26

Ornate wrasse

Thalassoma pavo

DeepLog14

Caretta atlantic loggerhead

Caretta caretta

DeepLog7

Rainbow wrasse

Coris julis

DeepLog7

White seabream

Diplodus sargus

DeepLog7

Dusky grouper

Epinephelus marginatus

DeepLog6

Sand steenbras

Lithognathus mormyrus

DeepLog5

Parrotfish

Sparisoma cretense

DeepLog4

Saddled seabream

Oblada melanurus

DeepLog4

Damselfish

Chromis chromis

DeepLog3

Hairy ark

Barbatia barbata

DeepLog3

Madeira rockfish

Scorpaena maderensis

DeepLog3

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

DeepLog + OBIS →

Photos