Alonissos

Greece

Alonissos

25–32 mMax Depth
boatEntry
6Species

Conditions Summary

Model forecast · local time (GMT+3)

Model conditions signal81/100
Waves
1.5 m
5.0 s
Swell
0.7 m
5.0 s
Current speed
0.8 km/h
flowing toward SW
Water temperature
20.3°C
Wind
20.9 km/h
→ N
Sea level
-0.5 m
falling
WavesChallenging
SwellCalm
Current speedCalm
Planning window
19:00–20:00
Calmest model window

Forecast Overview

Sat, Oct 17Challenging
Waves0.5–1.5 mCurrent speed0.9 km/h maxWater temperature20.3°C
Sun, Oct 18Calm
Waves0.0–0.5 mCurrent speed1.0 km/h maxWater temperature20.0°C
Mon, Oct 19Calm
Waves0.0–0.1 mCurrent speed1.0 km/h maxWater temperature19.9°C
Tue, Oct 20Calm
Waves0.0–0.1 mCurrent speed1.0 km/h maxWater temperature19.9°C
Next 72 hours
09:00
Waves: 1.5 m
Current speed: 0.8 km/h
Water temperature: 20.3°C
15:00
Waves: 1.1 m
Current speed: 0.6 km/h
Water temperature: 20.3°C
21:00
Waves: 0.6 m
Current speed: 0.9 km/h
Water temperature: 20.2°C
03:00
Waves: 0.3 m
Current speed: 1.0 km/h
Water temperature: 20.0°C
09:00
Waves: 0.2 m
Current speed: 0.9 km/h
Water temperature: 19.9°C
15:00
Waves: 0.1 m
Current speed: 0.9 km/h
Water temperature: 20.2°C
21:00
Waves: 0.0 m
Current speed: 0.6 km/h
Water temperature: 19.9°C
03:00
Waves: 0.0 m
Current speed: 0.8 km/h
Water temperature: 19.8°C
09:00
Waves: 0.0 m
Current speed: 0.9 km/h
Water temperature: 19.8°C
15:00
Waves: 0.0 m
Current speed: 1.0 km/h
Water temperature: 20.1°C
21:00
Waves: 0.1 m
Current speed: 0.8 km/h
Water temperature: 20.0°C
03:00
Waves: 0.1 m
Current speed: 0.9 km/h
Water temperature: 19.9°C
Catalog depth25–32 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 25.8°

Jan14.4°
Feb14.1°
Mar14.2°
Apr15.0°
May18.2°
Jun22.5°
Jul25.0°
Aug25.8°
Sep24.1°
Oct21.2°
Nov18.1°
Dec15.7°
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.

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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
Bristle worm 113524
Hermodice carunculata
DeepLog2
Big white heart urchin
Brissus unicolor
DeepLog1
Black sea urchin
Arbacia lixula
DeepLog1
Cotylorhiza tuberculata
DeepLog1
Stony sea urchin
Paracentrotus lividus
DeepLog1
Violet sea slug
Edmundsella pedata
DeepLog1
Diplodus vulgaris
Nearby OBIS observations7
Paramuricea clavata
Nearby OBIS observations7
Pelagia noctiluca
Nearby OBIS observations7
Chromis chromis
Nearby OBIS observations6
Coris julis
Nearby OBIS observations6
Echinaster (Echinaster) sepositus
Nearby OBIS observations6
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →

Photos

Alonissos photo 2
Alonissos photo 3
Alonissos photo 4
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