Europe › Turkey › Istanbul

Heybeliada

40 mMax Depth

BoatEntry

5Species

Conditions Summary

Model forecast · local time (GMT+3)

Model conditions signal100/100

Waves

0.1 m

2.4 s

Swell

0.1 m

2.2 s

Current speed

1.5 km/h

flowing toward SW

Water temperature

18.9°C

Wind

14.5 km/h

→ N

Sea level

-0.4 m

rising

WavesCalm

SwellCalm

Current speedCalm

Planning window

11:15–11:00

Calmest model window

Forecast Overview

Fri, Oct 16Calm

Waves0.1–0.3 mCurrent speed1.5 km/h maxWater temperature19.0°C

Sat, Oct 17Calm

Waves0.1–0.7 mCurrent speed1.7 km/h maxWater temperature18.5°C

Sun, Oct 18Watch

Waves0.5–0.9 mCurrent speed1.1 km/h maxWater temperature18.7°C

Mon, Oct 19Calm

Waves0.4–0.5 mCurrent speed1.3 km/h maxWater temperature18.5°C

Next 72 hours

11:00

Waves: 0.1 m

Current speed: 1.5 km/h

Water temperature: 18.9°C

17:00

Waves: 0.3 m

Current speed: 1.3 km/h

Water temperature: 19.0°C

23:00

Waves: 0.2 m

Current speed: 1.1 km/h

Water temperature: 18.8°C

05:00

Waves: 0.1 m

Current speed: 1.2 km/h

Water temperature: 18.4°C

11:00

Waves: 0.3 m

Current speed: 1.0 km/h

Water temperature: 18.3°C

17:00

Waves: 0.6 m

Current speed: 1.5 km/h

Water temperature: 18.6°C

23:00

Waves: 0.7 m

Current speed: 0.8 km/h

Water temperature: 18.8°C

05:00

Waves: 0.8 m

Current speed: 0.6 km/h

Water temperature: 18.7°C

11:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 18.6°C

17:00

Waves: 0.5 m

Current speed: 1.0 km/h

Water temperature: 18.7°C

23:00

Waves: 0.5 m

Current speed: 0.8 km/h

Water temperature: 18.6°C

05:00

Waves: 0.4 m

Current speed: 0.9 km/h

Water temperature: 18.5°C

Catalog depth40 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.

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Dive Types

Sandy bottomWallSalt Water

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

Coral

From site catalogue

Crab

From site catalogue

Fish

From site catalogue

Jellyfish

From site catalogue

Lobster

From site catalogue

Larus michahellis

Nearby OBIS observations94

Larus ridibundus

Nearby OBIS observations24

Gulosus aristotelis

Nearby OBIS observations17

Aurelia aurita

Nearby OBIS observations11

Phalacrocorax carbo

Nearby OBIS observations10

Mytilus galloprovincialis

Nearby OBIS observations7

Anas platyrhynchos

Nearby OBIS observations6

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

OBIS source →